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0671E7

Data Systems Administrator

E-7 (Sergeant First Class) · Marines

E1–E3E-4E-5E-6E-7E8–E9
HEADS UP

Gunnery Sergeant 0671 is the regimental or MEF-level data systems chief — the enterprise server architecture, Active Directory domain design, and GCSS-MC data integrity for an entire echelon runs through your planning. The MSgt / 1stSgt (E-8) selection board is the next gate, and the 1stSgt-track vs MSgt-track decision is the most consequential fork in the 0671 career. The SgtMaj's read on you is now the direct driver of the assignment slate. Advanced Course done or in progress; SNCO Academy Senior Course is the next PME gate.

The Honest MOS Read
Gunnery Sergeant on the 0671 side is where the Marine Corps puts you in charge of enterprise-level data systems infrastructure and expects you to operate at the intersection of technical authority and senior NCO leadership. Your doctrinal billets at GySgt are data systems chief at a communications battalion (the regimental or MEF-level senior data systems SNCO responsible for the full range of server, database, SharePoint, and enterprise application infrastructure across 25 to 50 Marines), S-6 operations chief at a regiment or battalion (the S-6 officer's senior enlisted, running data systems operations for the unit), or data systems senior SNCO at the MEF G-6 staff section. The daily reality at GySgt is enterprise architecture and personnel management in roughly equal measure. You build and defend the data systems support plan for regimental or MEF operations — server deployment architecture, Active Directory replication design across multiple subordinate domains, GCSS-MC instance configuration and high-availability planning, SQL Server disaster recovery, ACAS compliance scheduling at the enterprise level, and the backup and recovery architecture that the S-4 is betting the logistics data on. You brief this plan at the combined-arms rehearsal. The communications officer does not rewrite it; the MEF G-6 does not rewrite it; it goes up as you built it or it does not go up at all. The ISSM relationship at GySgt is enterprise-level. Every open CAT I STIG finding on any server in your section is a signed POA&M with your name on it — and at the GySgt level, the server inventory is large enough that one overlooked finding in one section chief's rack can cascade into a compliance failure that the regimental S-6 briefs at the BUB. The ISSM at the regimental or MEF level validates compliance with the Authorizing Official chain under DoDD 8500.01; policy exception requests for servers that cannot meet a STIG control require AO signature, and the AO's decision is informed by the quality of the exception request you drafted. The FitRep math at GySgt is the MSgt/1stSgt board driver. You write three to five SSgt FitReps per cycle under MCO 1610.7, and your relative value profile at HQMC grades every FitRep you write. The GySgt who inflates burns his RV credibility permanently. Your own FitRep from the communications officer or the regimental S-6 feeds the centralized SNCO selection board for MSgt/1stSgt under MCO P1400.32D. The 1stSgt vs MSgt fork at E-8 is consequential and explicit: 1stSgt is the 8999 1stSgt MOS — the company senior enlisted leader requiring 1stSgt school. MSgt is the staff senior NCO track — enterprise systems chief at higher headquarters, MOS roadmap owner at HQMC, TECOM senior cadre. Both pin at E-8; the SgtMaj's read of your GySgt career arc shapes which slate you land on. The SgtMaj community dynamic at GySgt is structurally tight. The 0671 community is small. The BN SgtMaj talks to the regimental SgtMaj; the regimental SgtMaj talks to the division SgtMaj; the GySgts visibly tracked for 1stSgt are tracked by name across the SgtMaj community. Your visible career-shaping moves — a clean FitRep cycle as data systems chief on a deployment, a strong MCCRE evaluation where the data systems section had zero ACAS findings, a clean B-billet tour, an Advanced Course completion at resident — all compound on the board's read. The retirement math at GySgt with 14-18 years TIS is the load-bearing financial decision. Under BRS the multiplier is 2.0% per year of service; TSP match has been accumulating; continuation pay at 12 years is already collected. The math of staying for MSgt/1stSgt (E-8) and potentially MGySgt/SgtMaj (E-9) vs ETSing at 14-18 years into the defense IT market is the conversation. The 0671 GySgt with TS/SCI clearance, enterprise Active Directory and SQL Server experience, DISA STIG program management, and GCSS-MC administration depth is valued by defense contractors at $110K-$160K (Leidos, SAIC, Booz Allen, CACI, ManTech, Peraton), federal civilian IT at GS-12/GS-13 (DISA, MARCORSYSCOM, HQMC C4, CYBERCOM), and commercial enterprise IT. The 20-year retirement pension plus TSP plus post-service salary is the financial floor most 0671 GySgts are building toward. The post-service awareness compounds at GySgt. The civilian certification stack matters: CISSP, Microsoft Azure Administrator, AWS Solutions Architect, or equivalent cloud certifications position the 0671 GySgt for the enterprise architect and senior systems administrator roles that pay at the top of the defense IT market. Navy COOL and Marine Corps COOL fund these certifications while you are in — use the funding. The GySgt who retires at 20 with CISSP and a cloud cert enters the post-service market at a materially different level than the GySgt who retires with only the MOS-provided training.
Career Arc
  • 01SSgt to GySgt pin-on via centralized SNCO selection board under MCO P1400.32D.
  • 02Data systems chief or S-6 operations chief assumption — doctrinal GySgt billet at communications battalion, regiment, or MEF.
  • 03Advanced Course PME at SNCO Academy — resident or CDET non-resident.
  • 04FitRep writer for SSgt section chiefs — RV profile at the enterprise level compounds on the MSgt/1stSgt board.
  • 05ACAS compliance program owner at the enterprise level — regimental or MEF ISSM coordination is now the direct relationship.
  • 06SgtMaj-track visibility: clean FitRep cycle, B-billet completion record, Advanced Course, visible enterprise-systems leadership.
  • 071stSgt vs MSgt fork — explicit at the E-8 board, shaped by the SgtMaj community read of the GySgt career arc.
  • 08Centralized SNCO board for MSgt (E-8) / 1stSgt — paper-record selection.
Common Screwups
  • ×Underestimating the SgtMaj-community dynamic. The 0671 senior NCO community is small enough that every GySgt, 1stSgt, and SgtMaj knows every other by name and reputation. Your read at GySgt propagates across battalions and regiments within months.
  • ×Missing Advanced Course PME. The E-8 board reads PME explicitly; a missed Advanced Course slot is visible on the board record and there is no recovery within a single board cycle.
  • ×Phoning the data systems chief role. The regimental S-6 and the SgtMaj read the data systems section through its ACAS compliance, GCSS-MC uptime, and the SSgts the section graduates to GySgt. A GySgt who is coasting on technical reputation without actively running the section is a GySgt the SgtMaj does not name for the 1stSgt slate.
  • ×NJP / DUI / fraternization / inappropriate relationship findings — terminal for E-8 board competitiveness in the 0671 community. The community is too small to survive the read.
  • ×Letting the retirement decision drift past the optimal window. The 0671 GySgt with clearance and enterprise IT experience is valuable now; the calculus of staying for E-8 vs ETSing at 18 is the most important financial decision of mid-career, and it requires 18-24 months of lead time to execute properly — clearance currency, certification completion, defense-industry relationship building, SkillBridge slot identification.

A Day in the Life

  • 0500Wake. PT gear on. Phone check — overnight server alerts, ISSM email on automated scan results, 1stSgt message on company-level issues, MEF G-6 tasking that came in after hours. A critical server outage overnight means the S-6 already knows — you need to know the status and the remediation timeline before the 1stSgt's morning call.
  • 0530-0630PT formation. Report section accountability to the company gunny and 1stSgt. Unit PT — you run with the section or the company. The GySgt who skips PT to manage servers loses the formation's respect first and the PFT score second. Wednesdays or Thursdays you may run with the BN SgtMaj's SNCO group if the SgtMaj holds one.
  • 0700-0800Hygiene, chow, uniform change. Check with the SSgt section chiefs on overnight server status — any production outages, any ACAS scan results, any GCSS-MC data integrity issues. If the S-4's logistics data stopped posting overnight, the S-4 is already calling the S-6 — you need the root cause and the ETA before the S-6 calls you.
  • 0800First formation. CO addresses the company; 1stSgt and company gunny brief. You translate company tasking to your SSgt section chiefs during the section break-out. If there is a battalion or regimental BUB today, you coordinate the data systems readiness input with the S-6 before the brief.
  • 0815-1100Section operations. Walk the data center — rack status, environmental monitoring, physical security, UPS battery health. Review the ACAS compliance dashboard with the SSgt responsible for the current scan cycle. Coordinate with the communications battalion on Active Directory replication issues, MCEN access authorization for augmenting units, or GCSS-MC configuration coordination with HQMC enterprise systems. If the MEF G-6 requested a data systems readiness briefing for an upcoming operation, you are building the slide deck and rehearsing the brief with the S-6.
  • 1100-1200S-6 coordination or regimental staff meeting. Brief the S-6 on server readiness, ACAS compliance posture, and open issues. If the regimental SgtMaj is holding an SNCO meeting, you attend — the SgtMaj reads the section chiefs through the GySgt; the GySgt who is visible at the SNCO meetings is the GySgt the SgtMaj names.
  • 1200-1300Chow. You eat with the company SNCOs — the 1stSgt, the company gunny, the other GySgt section chiefs. Conversation is battalion-level: training schedule, FitRep cycles, slates, climate survey results, the next deployment cycle. Or with the BN SgtMaj if he is making the rounds.
  • 1300-1500Afternoon operations. FitRep drafting — three to five SSgt FitReps per cycle with attribute rationale tied to observed events. SSgt mentorship sessions on Career Course timing, GySgt board preparation, B-billet planning. ISSM coordination on policy exception requests or POA&M status. Enterprise architecture planning if a major operation or GCSS-MC upgrade is in the 90-120 day window.
  • 1500-1600Final formation. CO and 1stSgt brief; you brief section-level adjustments. Sensitive items — server room key accountability, COMSEC material status, any classified media that was checked out during the day. The S-6 may pull you for a last coordination before close of business.
  • 1600-1730Post-formation wrap. Stay 60-90 minutes with the SSgt section chiefs — AAR on the day, prep for tomorrow, open ACAS findings, GCSS-MC issues. If a Marine in the section has a personal issue, the SSgt brought it to you today and you decide whether it goes to the 1stSgt. Brief the 1stSgt or company gunny on any section-level items before departing.
  • 1730-1930Personal time. Married GySgts: family. Single GySgts: gym, study, CISSP or cloud certification prep, Advanced Course CDET work if completing non-resident. If you are 18-24 months from the centralized E-8 board, you are reviewing past board results, FitRep RV trends, and the MSgt/1stSgt slate history for the 0671 community.
  • 1930-2100After-hours coordination. The data systems chief's phone is always on. Server alerts, ISSM notifications, Marine-crisis calls from SSgts. A GCSS-MC production outage at 1930 means the S-4 cannot run the nightly logistics batch — the SSgt section chief calls you, you triage, and if it requires hands-on you activate the after-hours data center access procedure. The GySgt who lets the phone go to voicemail at this rank stops being the GySgt the 1stSgt trusts with the section.
  • 2100Lights out. Unless a production server is down and the S-6 is waiting for the status update.
  • Exercise / deploymentThe clock collapses. You are in the field command post or the forward data center 16-20 hours a day. Enterprise server deployment across multiple sites, Active Directory replication verification across subordinate domains, GCSS-MC initial data load and high-availability verification, ACAS baseline scan across the full deployment inventory, and the backup and recovery schedule all run in the first 48 hours. The S-4 needs GCSS-MC operational before the first logistics review; the S-6 needs the compliance posture briefable before the MCCRE evaluator arrives; the ISSM needs the baseline scan completed before the AO grants the operational authority to connect. The evaluator is writing the section's grade. The SgtMaj reads it. The board reads it.

Weekly Cadence

Monday is the planning day. Read the company training schedule from the 1stSgt and company gunny, adjust the section's internal schedule to match, and brief the SSgt section chiefs by mid-morning. If there is an upcoming operation or exercise, Monday is when the data systems support plan gets its weekly update — server assignments, Active Directory topology changes, GCSS-MC configuration adjustments, ACAS scan scheduling, and the compliance posture that the ISSM will validate before the exercise. Tuesday through Thursday is execution and coordination. Sections run server maintenance, STIG remediation, Active Directory administration, GCSS-MC monitoring, and enterprise application support. You walk the data center at least once daily. Wednesday is typically ISSM coordination — compliance dashboard review, POA&M status, policy exception request progress. Thursday is the communications section coordination meeting at the battalion or regimental level; you brief data systems readiness. The BN SgtMaj's weekly SNCO meeting falls somewhere in the Tuesday-Thursday window; you attend every one. The regimental data systems coordination meeting (if the regiment holds one) is monthly; the MEF G-6 data systems coordination is quarterly. Friday is the AAR and preparation day. SSgt section chiefs brief the section on the week's accomplishments, open issues, and next week's priorities. You review the ACAS compliance dashboard before the weekend. FitRep notes get updated in the data systems chief's day-book. The climate-work rhythm runs underneath the technical rhythm — sensing sessions from the SSgts, retention data from the career planner, climate-survey results from the BN IG, and the small-unit indicators the S-6 cannot read from his office. The GySgt who treats the climate work as the 1stSgt's problem is the GySgt whose climate survey surprises the SgtMaj. The GySgt who runs honest sensing sessions and translates them into S-6-funded and CO-funded actions is the GySgt whose section is the SgtMaj's preferred name on the next slate.

Key Skills — How to Drill Each

  1. 01
    Build and defend the data systems support plan for a regimental or MEF operation — server deployment architecture, Active Directory replication design, GCSS-MC instance configuration, SQL Server HA/DR plan, ACAS compliance schedule, backup and recovery architecture — in a format the communications officer can brief at the combined-arms rehearsal.
    The data systems support plan at GySgt is the enterprise-level technical annex. Build it 120-150 days before the operation start date. Map the server deployment to physical locations and power/cooling requirements; design the Active Directory replication topology across all subordinate domains and verify trust relationships with the communications battalion; configure the GCSS-MC instance for high-availability with a defined failover procedure; define the SQL Server backup cadence and the recovery-point objective the S-4 is betting logistics data on; schedule ACAS scans that satisfy the ISSM without interrupting production during peak operational windows. The plan goes to the communications officer for review, then to the combined-arms rehearsal. The GySgt whose plan survives the first week of the operation without a major deviation is the GySgt the regimental S-6 names when the SgtMaj asks who is on the 1stSgt bench.
  2. 02
    Write three to five SSgt FitReps per cycle under MCO 1610.7 that the reporting senior can defend at the regimental FitRep board — clean attribute rationale, defensible relative value, no inflation.
    Three to five SSgt FitReps means three to five platoon-sergeant or section-chief stories told in observed-behavior attribute rationale. At GySgt your RV profile at HQMC is graded across all Marines you rate. Take running notes during the rated period in the data systems chief's day-book — ACAS compliance posture during the last quarterly cycle, GCSS-MC uptime during the deployment, server inventory accuracy, Marine development metrics (how many Sgts in the section are Career Course-complete), and the visible leadership work product each SSgt demonstrated. Draft Section H attribute rationale tied to specific events and rehearse with the senior reporting official before the report transmits. The GySgt whose SSgts actually get selected for GySgt at the rates his FitRep narratives implied is the GySgt whose reporting senior defends his MSgt/1stSgt FitRep without hesitation.
  3. 03
    Coordinate Active Directory domain architecture, MCEN access authorization, and GCSS-MC instance configuration with the communications battalion, the regimental ISSM, and HQMC enterprise systems for every major operation.
    At GySgt the Active Directory coordination is enterprise-level — multiple child domains, cross-domain trust relationships, replication topology spanning multiple physical sites, and group policy objects that affect hundreds of user accounts. Coordinate with the communications battalion network engineers on domain integration, with the regimental ISSM on access authorization for augmenting units, and with HQMC enterprise systems if the operation requires connectivity to HQMC-managed services. Build the coordination record — email chains, signed routing sheets, and formal requests — that the communications officer can present to the MEF G-6 if a domain integration failure causes an outage during the operation. The GySgt who has the paper trail when the G-6 asks is the GySgt who keeps the section.
  4. 04
    Run the ACAS compliance program for the full section — console health, CAT I POA&M timelines, policy exception documentation — and brief status to the regimental ISSM and the MEF G-6.
    At GySgt the ACAS compliance program spans the full enterprise server inventory — potentially 50-100+ servers across multiple sections and multiple classification levels. You own the compliance dashboard, the POA&M tracking system, and the policy exception documentation. Brief the ISSM on the cadence the ISSM sets — monthly or quarterly — and brief the MEF G-6 when requested. The GySgt whose compliance dashboard is green and whose POA&Ms have documented remediation timelines that actually get met is the GySgt the ISSM trusts with the most sensitive server segments. The GySgt whose compliance dashboard has unexplained open findings is the GySgt the ISSM reports to the regimental S-6.
  5. 05
    Mentor two to three SSgts into Career Course graduates and GySgt-board-ready candidates — honest reads on who is troop-leadership track (1stSgt path) and who is the enterprise systems SME the MMPB needs on the HQMC C4/cyber staff (MSgt path).
    Each SSgt gets quarterly mentorship sessions with development objectives tied to his GySgt competitive package — Career Course completion, FitRep RV profile, MCMAP Black Belt progression, B-billet completion record, civilian certification progress, and the visible-leadership work product the next FitRep cycle will reflect. The honest read on each SSgt: the one who runs a strong platoon and is comfortable with formation, discipline, and family readiness is 1stSgt-track. The one who is the technical authority the S-6 calls first and is more comfortable in the server room than in formation is MSgt-track. Both are valid paths to E-8. The GySgt who graduates two SSgts to GySgt-promotable in 36 months is the GySgt the SgtMaj names for the 1stSgt bench.
  6. 06
    Brief the regimental SgtMaj and the communications officer honestly on section morale, retention, gear readiness, and the second-order effects of GCSS-MC upgrade cycles or enterprise system changes on the data systems Marines.
    The regimental SgtMaj and the communications officer rely on the data systems chief for ground truth that the section chiefs cannot or will not elevate. Sensing sessions (run by the SSgt platoon sergeants, rolled up to you), retention data (pulled from the unit career planner), equipment readiness data (from the section's maintenance logs), and the small-unit indicators that enterprise system upgrades or GCSS-MC version changes create — training load on the Marines, overtime during migration windows, morale impact of repeated after-hours server maintenance. The GySgt who briefs honestly weekly is the GySgt whose section does not surprise the SgtMaj. The GySgt who tells the S-6 what the S-6 wants to hear is the GySgt who learns about the retention problem from the BN SgtMaj.

Manuals & References — What Chapters Matter

  • NAVMC 3500.44 — Communications T&R Manual.
    The regimental and MEF collective data systems standards you build training against. At GySgt the communications officer evaluates your section against the T&R manual's collective tasks at the battalion and higher level. You should be able to map every collective task to a section-level training event, identify which tasks your section has validated in the current training cycle, and articulate which tasks need additional reps before the next MCCRE or ITX evaluation.
  • DISA STIGs — Security Technical Implementation Guides.
    You own the section-level compliance program for every server, database, and enterprise application in your section's inventory. At GySgt the STIG library is not just a checklist — it is the technical authority the ISSM cites when a server fails an audit. Read the STIGs for the systems your section operates at the control level, not just the scan-results level, because the policy exception requests you draft for findings that cannot be remediated reference specific controls and their risk-mitigation alternatives.
  • DoDD 8500.01 — Cybersecurity.
    The ISSM cites the Authorizing Official chain under this directive when a server exception to policy requires general officer signature. At GySgt you need to understand not just the AO chain but the risk-acceptance framework — because the exception request you draft for a production server that cannot meet a STIG control without breaking GCSS-MC functionality is a risk-acceptance decision the AO makes based on the quality of your risk analysis.
  • MCO 1610.7 — Performance Evaluation System (FitRep).
    At GySgt you are both rated against this MCO and you teach it to your SSgts. The FitRep mechanics you now teach — attribute rationale, relative value, reporting chain procedures, the Section H narrative — are the mechanics your SSgts use to rate their Sgts, and the quality of the FitReps your SSgts write reflects on your mentorship. Re-read before each FitRep cycle and before the centralized E-8 board.
  • MCO 1400.32 — Marine Corps Promotion Manual.
    GySgt-to-MSgt / 1stSgt board mechanics, FitRep relative value impact, PME completion requirements, and MOS roadmap. The board reads the full record. Understanding the board composition, the record review process, and the specific criteria the board evaluates (FitRep history, PME, education, awards, deployment, conduct/proficiency) is the foundation for building a competitive MSgt/1stSgt package.
  • MCO 5354.1 / MCO 1000.9 — SAPR and Equal Opportunity policy.
    You enforce both alongside the 1stSgt and CO in the communications company. SAPR and EO reports run through the BN SAPR officer and the BN IG; the data systems chief's name is on every initial company-level incident report that involves data systems Marines. The IG audits compliance posture against these MCOs on a recurring cycle. Re-read at GySgt pin-on and before each company-level command climate survey.

Standards — How to Hit Each

  • SNCO Academy Advanced Course (Career Course Advanced) graduate — required for the MSgt/1stSgt board in most cases.
    The Advanced Course at the SNCO Academy is the structured PME at the GySgt tier — delivered at the regional SNCO academies for resident or via CDET for non-resident. Pull the resident slot the moment you pin GySgt; resident slots compress when the year-group approaches the E-8 zone. The course covers senior-NCO leadership, organizational dynamics, the Marine Corps senior enlisted role in policy and force planning, and the strategic context that 1stSgts and MSgts operate within. Complete it before the first MSgt/1stSgt board eligibility cycle.
  • Black Belt Instructor (BBI) MCMAP at minimum; Black Belt Instructor-Trainer (BBIT) is the visible differentiator on the 1stSgt/MSgt board.
    MCMAP under MCO 1500.54. At GySgt, BBI is the baseline visible credential on the FitRep. BBIT is the MAI-tier credential that shapes the company's MCMAP program and is visible on the centralized board read. The section's MCMAP belt progression rate — under your supervision as data systems chief — is the company gunny's read of the section's physical and martial-arts program health.
  • ACAS compliance above the regimental ISSM-set threshold and zero open CAT I findings on any server segment during every inspection cycle.
    At GySgt the compliance bar is enterprise-level — the regimental ISSM validates the full server inventory, not just one section's rack. Run pre-inspection ACAS scans across the entire section 72 hours before the ISSM's scheduled scan. Draft POA&Ms for every finding that cannot be remediated in the window. Brief the ISSM proactively — the GySgt whose compliance dashboard is green and documented at every inspection is the GySgt the ISSM trusts with the most sensitive enterprise server segments.
  • FitRep profile that the senior reporting official can defend at the MSgt/1stSgt board — relative value, attribute rationale, all aligned.
    The RV profile at GySgt feeds directly into the centralized E-8 board. A single weak cycle changes the board's read of the entire career record. Deliver observable results (clean ACAS dashboard at every inspection, GCSS-MC uptime through every exercise, SSgts developing toward GySgt), ensure the reporting senior knows about the results (brief weekly, provide FitRep input before the cycle closes), and maintain the personal PFT/CFT scores that the formation watches.
  • 1st-Class PFT and CFT — the formation watches the GySgt's scores more carefully than anyone's except the 1stSgt's.
    The PFT/CFT under MCO 6100.13 is the visible standard. A GySgt below 1st-Class is functionally not competitive for the E-8 board regardless of FitRep narrative. The data systems section runs the same PFT/CFT as the line companies; the GySgt who posts a 285+ PFT and runs the section PT program with the same intensity as the company PT program is the GySgt the formation respects. The GySgt whose PT drops because the server room keeps him at a desk is the GySgt the section stops following on the hump.

Technical Mistakes — Concrete Consequences

  • Allowing an SSgt to coordinate GCSS-MC configuration changes independently without a back-brief and a documented change request.
    An unauthorized schema change on a production GCSS-MC instance can corrupt logistics data for an entire MEF. The S-4 discovers it when the logistics review data stops matching the supply system; the MEF G-4 discovers it when the aggregate logistics data stops reconciling; the GySgt who delegated the configuration change without documentation absorbs the entire investigation. The change management documentation is not bureaucracy — it is the only evidence that the change was planned, approved, tested, and reversible.
  • Confusing being tight with the S-6 with being aligned with the S-6.
    Tight means the GySgt and the S-6 have a good personal relationship. Aligned means the data systems section executes the S-6's intent without surprise. The MEF needs the GySgt to push back honestly on a server architecture that is under-resourced — in the S-6's office, with the door closed — and to walk out aligned and execute the plan the S-6 signed. The GySgt who agrees with a plan he knows will fail to preserve the personal relationship is the GySgt whose section fails during the exercise, and the S-6 who is surprised at the BUB does not defend that GySgt at the next FitRep cycle.
  • Carrying a peer-SNCO feud into the regimental data systems section.
    The BN SgtMaj notices. The FitRep board notices. The MSgt/1stSgt slate writes itself without the feuding GySgt's name. The 0671 community is small enough that peer feuds at the GySgt level are visible across the regiment within weeks. The section chiefs feel it; the SSgts take sides; the section's ACAS compliance and GCSS-MC uptime suffer because the GySgts are managing conflict instead of managing servers.
  • Allowing a section chief to manage the server configuration and Active Directory documentation by memory instead of a maintained configuration management database.
    The Marine who takes the section after a PCS has the documentation or starts from zero — and the S-6 finds out which one during the next exercise. An enterprise-level Active Directory environment with undocumented domain controllers, undocumented group policy objects, and undocumented replication topology is an enterprise-level failure waiting for a trigger. The GySgt whose documentation is current and the incoming section chief can operate from on day one is the GySgt the S-6 writes the strong FitRep for.
  • Stopping personal PT because the server room keeps you at a desk.
    Marines stop respecting the chevrons when the body stops carrying them. The 1st-Class PFT is still the bar at GySgt. The data systems section watches the data systems chief's PFT/CFT scores; a GySgt below 1st-Class who tries to counsel a Marine on physical fitness has already lost the conversation. The formation notices. The SgtMaj notices. The FitRep reflects it.

Career Decisions at This Rank

  • 1stSgt vs MSgt fork at E-8 — the explicit career path conversation.
    The 1stSgt vs MSgt fork at E-8 is the most consequential GySgt-tier career decision for a 0671 Marine. 1stSgt (the 8999 1stSgt MOS, requiring 1stSgt school at Camp Lejeune or Camp Pendleton — verify current location and duration against MARADMIN) is troop leadership: the communications company senior NCO, daily formation, discipline, counseling, climate, family readiness, casualty assistance. MSgt is the staff senior NCO track — enterprise data systems chief at regimental or MEF G-6, MOS roadmap owner at HQMC manpower (MMPB), TECOM senior cadre at MCCES, or the HQMC C4/cyber staff SNCO who shapes the next generation of 0671 GySgts. Both pin at E-8; the SgtMaj's read of your GySgt career arc shapes which slate you land on. Honest self-assessment with the BN SgtMaj is the load-bearing conversation 18-24 months before the E-8 board: are you a troop leader or a technical authority? Both are real jobs.
  • Retirement timing at 14-18 years TIS — the 20-year clock and the defense IT market window.
    At GySgt with 14-18 years TIS, the 20-year retirement is 2-6 years away. Under BRS the multiplier is 2.0% per year of service; TSP match has been accumulating; continuation pay at 12 years is already collected. The math: stay for E-8/E-9 (full benefits, 1stSgt/MSgt/MGySgt/SgtMaj progression potential, post-service value compounded) or retire at 20 (immediate post-service market entry). The 0671 GySgt with TS/SCI, enterprise Active Directory, SQL Server, GCSS-MC, and DISA STIG program management experience enters the defense contractor market at $110K-$160K and the federal civilian market at GS-12/GS-13. Run the math with the unit career planner and a financial counselor — the 20-year pension + TSP + post-service salary is the financial floor, but the difference between retiring at E-7 and E-8 is real money over a 30-year retirement.
  • B-billet completion if not yet done — DI, recruiter, MSG, instructor.
    If you reached GySgt without a completed B-billet (DI duty at a recruit depot, recruiter 8411/8412, MSG at an embassy, or instructor duty at MCCES or an SNCO academy), the GySgt window is the last comfortable opportunity. The E-8 board reads B-billet completion. The GySgt who has no B-billet on the record has a visible gap; the MSgt staff track may still be open (enterprise-systems depth can compensate), but the 1stSgt slate is harder to reach without the B-billet credential. The decision: pursue the B-billet now (24-36 months away from the data systems section, PCS, family impact) or accept the gap and compete on technical depth and FitRep strength.
  • CISSP / cloud certification completion — the differentiator for both the E-8 board and the post-service market.
    CISSP requires 5 years of relevant experience in two or more CISSP domains — the 0671 GySgt with 14+ years TIS easily qualifies on experience. The certification validates the senior-level information security expertise the civilian market values at the GS-13+ and senior contractor level. Cloud certifications (Microsoft Azure Administrator, AWS Solutions Architect) validate the enterprise architecture skills the MOS builds but the MOS training does not certify. Marine Corps COOL and Navy COOL fund these certifications while you are in. The GySgt who retires at 20 with CISSP and a cloud cert enters the post-service market at $130K-$180K floor; the GySgt who retires without them competes at $100K-$130K. The funding disappears at EAS; use it now.
  • Post-service market planning — defense contractor vs federal civilian vs commercial enterprise IT.
    The 0671 GySgt with TS/SCI clearance, enterprise Active Directory and SQL Server depth, DISA STIG compliance program management, and GCSS-MC administration experience has three distinct post-service market lanes. Defense contractor (Leidos, SAIC, Booz Allen, CACI, ManTech, Peraton, General Dynamics IT, Accenture Federal) at $110K-$160K for enterprise systems administration and security compliance roles. Federal civilian IT (DISA, MARCORSYSCOM, HQMC C4, CYBERCOM, DIA, NSA civilian) at GS-12/GS-13 ($85K-$120K plus federal benefits). Commercial enterprise IT (Microsoft, AWS, Google Cloud, large enterprise IT shops) at $120K-$170K but requires the civilian certification stack and cloud experience the MOS does not automatically provide. Build the network 24-36 months before EAS. File the VA disability claim 180+ days before separation. Identify the SkillBridge opportunity 12+ months out. The GySgt who starts planning at the terminal-leave-orders date lands in the lower tier.

How the Seat Varies by Unit Type

  • Communications battalion data systems chief (1st, 2nd, or 3rd CommBn — Camp Pendleton, Camp Lejeune, Camp Foster Okinawa)
    The communications battalion data systems chief at GySgt runs the largest enterprise data systems section in the Marine Corps line fleet — 25-50 Marines across multiple server, database, and enterprise application sections supporting a division or MEF headquarters. The server inventory is the most extensive in the regiment; the ACAS compliance program is the most visible; the GCSS-MC instances aggregate logistics data for the division or MEF. The MEU rotation cycle drives the operational tempo. The communications battalion is the premier data systems billet at GySgt — the FitRep from this billet carries the most weight on the MSgt/1stSgt board because the SgtMaj community reads it as the hardest data systems billet at E-7.
  • Regimental or battalion S-6 operations chief (infantry, artillery, logistics regiment)
    The S-6 operations chief at a line regiment or battalion is the senior data systems SNCO in a formation whose primary mission is not communications. The GySgt in this billet is the S-6 officer's senior enlisted — running the data center, the Active Directory environment, and the GCSS-MC instance for a formation that depends on the data environment but does not understand it. Autonomy is high; the S-6 officer relies on the GySgt's technical judgment more than in a communications battalion because the S-6 may have limited server-side depth. The ISSM relationship is direct — there may be no intermediate SSgt between you and the ISSM's compliance scan.
  • MEF G-6 data systems senior SNCO (I MEF, II MEF, III MEF)
    The MEF G-6 data systems senior SNCO operates at the MEF headquarters level — enterprise architecture planning, Active Directory domain management spanning the MEF's subordinate commands, GCSS-MC oversight across the MEF, and the compliance posture that the MEF IG validates. The work is heavily staff-oriented — fewer Marines, more coordination, more enterprise architecture planning, more interaction with HQMC enterprise systems and DISA. Visibility to the MEF CG and MEF SgtMaj is indirect but real. This billet reads as MSgt-track on the board; the GySgt who wants the 1stSgt billet should not stay at MEF G-6 for more than one tour.
  • MARFORCYBER / MCCOG data systems SNCO (Fort Meade or distributed)
    MARFORCYBER and MCCOG data systems billets at GySgt operate in the cyber mission space — server and enterprise infrastructure supporting cyber operations at higher classification levels, more stringent STIG compliance requirements, and TS/SCI with additional access requirements. The work is enterprise-security-focused rather than fleet-operations-focused. The post-service market positioning from this billet is the strongest in the 0671 community — the combination of cyber-operations server infrastructure, TS/SCI with additional access, and DISA STIG compliance at the classified level commands a premium in the defense contractor market.
  • MCCES instructor cadre GySgt (Twentynine Palms)
    The senior instructor at MCCES teaches and mentors the next generation of 0671 Marines and evaluates the SSgt and Sgt instructor cadre. The GySgt instructor at MCCES sets the technical curriculum standard for the MOS school — if the fleet standard has changed (new GCSS-MC version, new Active Directory architecture, new STIG baseline), the GySgt instructor is the one who updates the course of instruction. The instructor billet counts as a B-billet, is visible on the E-8 board, and carries institutional weight in the 0671 community because every 0671 Marine who went through MCCES remembers the GySgt who taught them.

What Good Looks Like at This Rank

The good GySgt 0671 is the data systems chief the MEF G-6 can brief a full deployment communications plan to on Monday and trust that the servers will be operational, GCSS-MC will replicate clean across every subordinate domain, the ACAS compliance dashboard will survive the ISSM's pre-deployment inspection, and the SSgts can brief their section assignments and recovery plans without the data systems chief standing behind them. His section chiefs are getting GySgt-board-ready. His Marines re-enlist because of the school slots, the civilian certification support, and the technical credibility of the section. The regimental SgtMaj is already mentioning his name for the MSgt or 1stSgt slate before the board convenes. The S-6 trusts him to push back honestly on enterprise architecture decisions — server consolidation timelines that are too aggressive, GCSS-MC migration windows that overlap with operational commitments, ACAS scan schedules that the section cannot support with current manning. He pushes back in the S-6's office with the door closed. He walks out aligned. The section executes. The ISSM trusts him to brief compliance status honestly, including the findings that will require AO-level policy exceptions. The 1stSgt trusts him to manage the data systems Marines without daily supervision — mentorship, FitReps, Career Course tracking, MCMAP progression, and the honest conversation with the SSgt who needs to hear that his MSgt-track technical depth is more competitive than his 1stSgt-track troop-leadership profile. The GySgt who is being groomed for 1stSgt looks different from the GySgt who is on the MSgt staff track. The 1stSgt-track GySgt is the one whose section climate is the SgtMaj's preferred name, who is comfortable with formation, discipline, and family readiness, who has built SSgts into GySgt-board-ready candidates. The MSgt-track GySgt is the one who is the enterprise-systems technical authority the MEF G-6 calls first, who can architect an Active Directory domain spanning three subordinate commands, who the ISSM trusts with the most sensitive server segments. Both pin at E-8; the SgtMaj's read determines which billet. The GySgt who built the record through 36 months of disciplined data systems chief work is the GySgt who pins MSgt or 1stSgt on the first eligible board.

Preview — The Next Rank

MSgt / 1stSgt (E-8) is the next centralized SNCO selection board under MCO 1400.32. The board reads the full record — every FitRep, every PME completion, every B-billet, every award, every deployment, every Marine in your section you graduated to GySgt. The 1stSgt vs MSgt fork is explicit at the E-8 board: 1stSgt (the 8999 1stSgt MOS, requiring 1stSgt school) is the company senior enlisted leader; MSgt is the staff functional billet track (enterprise data systems chief at regiment/division/MEF G-6, MOS roadmap owner at HQMC MMPB, TECOM senior cadre). Both pin at E-8; the SgtMaj's read determines which billet. The job content at 1stSgt is the company. You run 100-180 Marines in a communications company, the company office, the section chiefs, and the boundary between what the CO needs and what the company can deliver on the data systems front. You write the company's senior FitReps. You sign the company-level reports. You are the senior NCO voice at the BN BUB. The CO and the BN SgtMaj call you by name without thinking. The job content at MSgt is the enterprise function. As data systems chief at regimental or MEF G-6, you are the senior enlisted enterprise architect — Active Directory domain management spanning subordinate commands, GCSS-MC oversight across the echelon, ACAS compliance at the enterprise level, and the MOS roadmap input that shapes the next generation of 0671 GySgts. The differentiator on the MGySgt / SgtMaj slate after pinning MSgt / 1stSgt is the visible E-8 performance in the first 18-24 months, the Senior Course / Sergeants Major Course completion, and the FitRep profile the senior reporting officials build. The retirement transition at 20-24 years TIS as a senior 0671 NCO with clearance and enterprise IT credentials is among the most marketable in the communications field — plan 24-36 months ahead.
FAQ

0671 E7 — Frequently Asked Questions

Q01What does a E7 0671 (Data Systems Administrator) actually do?
You run the data systems section at the regimental or MEF support group level — 25 to 50 Marines across multiple sections, the full range of server, database, SharePoint, and GCSS-MC infrastructure in the unit inventory, and the ACAS compliance program that the regimental ISSM validates every quarter.
Q02What's the most important thing to know as a E7 0671?
Gunnery Sergeant 0671 is the regimental or MEF-level data systems chief — the enterprise server architecture, Active Directory domain design, and GCSS-MC data integrity for an entire echelon runs through your planning.
Q03What does a typical day look like for a E7 0671?
Time-blocked day at the E7 0671 rank tier: 0500 Wake. PT gear on. Phone check — overnight server alerts, ISSM email on automated scan results, 1stSgt message on company-level issues, MEF G-6 tasking that came in after hours. A critical server outage overnight means the S-6 already knows — you need to know the status and the remediation timeline before the 1stSgt's morning call, 0530-0630 PT formation. Report section accountability to the company gunny and 1stSgt. Unit PT — you run with the section or the company.…
Q04What mistakes get E7 0671 soldiers fired or relieved?
Underestimating the SgtMaj-community dynamic. The 0671 senior NCO community is small enough that every GySgt, 1stSgt, and SgtMaj knows every other by name and reputation. Your read at GySgt propagates across battalions and regiments within months; Missing Advanced Course PME. The E-8 board reads PME explicitly; a missed Advanced Course slot is visible on the board record and there is no recovery within a single board cycle; Phoning the data systems chief role.…
Q05What career decisions matter most at the E7 0671 rank tier?
1stSgt vs MSgt fork at E-8 — the explicit career path conversation — The 1stSgt vs MSgt fork at E-8 is the most consequential GySgt-tier career decision for a 0671 Marine. 1stSgt (the 8999 1stSgt MOS, requiring 1stSgt school at Camp Lejeune or Camp Pendleton — verify current location and duration against MARADMIN) is troop leadership: the communications company senior NCO, daily formation, discipline, counseling, climate, family readiness, casualty assistance. MSgt is the staff senior NCO track — enterprise data systems chief at regimental or MEF G-6,…
Q06What's next after E7 for a 0671 (Data Systems Administrator) in the Marines?
MSgt / 1stSgt (E-8) is the next centralized SNCO selection board under MCO 1400.32.
Q07What manuals and regulations does a E7 0671 need to know cold?
NAVMC 3500.44 — Communications T&R (regimental / MEF collective data systems standards; the communications officer evaluates your section against this).; DISA STIGs — you own the section-level compliance program; every open CAT I finding on a server in your section is a signed POA&M with your name on it.; DoDD 8500.01 — Cybersecurity; the ISSM cites the Authorizing Official chain under this directive when a server exception to policy requires general officer signature.

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Published by the Honest MOS Editorial DeskVerified against DoD/.gov sourcesUpdated May 2026Editorial standards