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0671E6

Data Systems Administrator

E-6 (Staff Sergeant) · Marines

E1–E3E-4E-5E-6E-7E8–E9
HEADS UP

Staff Sergeant 0671 is the data systems platoon sergeant or senior data systems SNCO at a communications company. You own the platoon's server infrastructure, the ACAS compliance program, and the FitReps that shape the next generation of 0671 section chiefs. The GySgt board is FitRep-driven — one weak cycle moves the timeline by years. Career Course completion is the gate; SNCO Academy is next.

The Honest MOS Read
Staff Sergeant on the 0671 side is where the Marine Corps stops evaluating you as a technician and starts evaluating you as the senior SNCO who owns a platoon-sized data systems formation. Your doctrinal billets at SSgt are data systems platoon sergeant in a communications company (15 to 30 Marines across multiple server, database, and enterprise application sections), senior data systems SNCO at a battalion or regimental S-6 (the technical authority on Active Directory architecture, GCSS-MC server-side health, and the ACAS compliance posture for every server in the unit's inventory), or the data systems operations SNCO at the MEF G-6 staff section. The daily work at SSgt is platoon-level planning and supervision. You build the data systems support plan for every major exercise and deployment — server deployment architecture, Active Directory replication design, GCSS-MC instance configuration, SQL Server maintenance scheduling, ACAS scan cadence, backup and recovery architecture — and you brief it to the communications officer and the regimental S-6 at the combined-arms rehearsal. The S-6 does not accept hand-waves on server readiness; the ISSM does not accept verbal assurances on STIG compliance; the S-4 does not accept excuses when GCSS-MC logistics data stops posting at 0200 during the exercise. You own the plan, and the plan has your name on it. The FitRep math at SSgt is the career gate. You write three to four FitReps per cycle on your section chiefs (Sgts and senior Cpls) under MCO 1610.7, and the reporting senior's relative value profile at HQMC grades every FitRep you write across every Marine you rate. The SSgt who inflates burns his RV credibility for every subsequent cycle; the SSgt whose Sgts actually get selected for SSgt at the rates his FitRep narratives implied is the SSgt whose reporting senior defends him at the GySgt board. Your own FitRep from the communications officer or the company 1stSgt is the direct input to the centralized SNCO selection board for GySgt under MCO P1400.32D. The Career Course (resident at a regional SNCO academy or distance via CDET) is the structured PME at the SSgt tier — required for the GySgt board in most cases. The course covers NCO leadership at the organizational level, the Marine Corps senior enlisted role in training management, and the policy frameworks that SSgts and GySgts operate within. Pull the slot early; resident is the visible credential; CDET is the non-resident path that checks the box but does not carry the same institutional weight. The ISSM relationship becomes structurally consequential at SSgt. The Information System Security Manager at the regimental or battalion level validates the ACAS compliance posture, reviews the STIG findings, and signs the authority-to-operate documentation for the server environment your platoon maintains. Every open CAT I STIG finding on a server in your platoon is a signed POA&M with your name on it. The ISSM does not distinguish between a finding the section chief missed and a finding the platoon sergeant should have caught — both go on the same compliance dashboard. The post-service market awareness starts at SSgt. The 0671 SSgt with a Secret or TS/SCI clearance, GCSS-MC administration experience, Active Directory and SQL Server depth, and DISA STIG remediation experience is a genuinely marketable IT professional. Defense contractors (SAIC, Leidos, Booz Allen, ManTech, CACI, Peraton), federal civilian IT (DISA, NETCOM, MARCORSYSCOM, HQMC C4), and commercial enterprise IT all hire from the 0671 SSgt pool. The SSgt who starts building the civilian certification stack — CompTIA Security+, Microsoft server administration certifications, CISSP eligibility — at this tier is the SSgt who has options at the 14-year decision point. The mentorship load at SSgt is real. Two to three Sgt section chiefs who need Career Course completion, GySgt-board readiness, and honest mentorship on whether they are troop-leadership track (1stSgt path) or enterprise-systems SME track (MSgt path). The SSgt who can read a Sgt honestly and tell him the truth about his career arc — instead of the truth the Sgt wants to hear — is the SSgt the communications officer and the 1stSgt trust with the next platoon-sergeant slate.
Career Arc
  • 01Sgt to SSgt pin-on via centralized selection board under MCO P1400.32D — composite score and board review.
  • 02Data systems platoon sergeant or senior data systems SNCO assumption — doctrinal SSgt billet in a communications company or S-6.
  • 03Career Course PME at SNCO Academy — resident preferred, CDET non-resident available.
  • 04FitRep writer for Sgt section chiefs — RV profile building begins in earnest.
  • 05ACAS compliance program owner at the platoon level — ISSM relationship is now structurally load-bearing.
  • 06GySgt board preparation — FitRep profile, PME completion, B-billet timing, education.
  • 07Centralized SNCO board for GySgt (E-7) — paper-record selection under MCO 1400.32.
Common Screwups
  • ×Missing Career Course. The GySgt board reads PME completion explicitly; a missed slot at SSgt narrows the window and there is no recovery within a single board cycle.
  • ×FitRep inflation on section chiefs. The SSgt whose Sgts get selected at rates his narratives do not support burns his RV credibility — and the reporting senior remembers who wrote the inflated report when the GySgt board results post.
  • ×NJP / DUI / fraternization at this rank is terminal for the GySgt board and visible across the 0671 community, which is small enough that every GySgt and 1stSgt hears about it within the month.
  • ×Letting the ACAS compliance posture drift because the section chiefs said it was clean. The ISSM validates with automated scans, not with your section chief's verbal report. The SSgt who hears about a CAT I finding from the ISSM instead of from his own section chief is the SSgt who loses the platoon-sergeant billet.
  • ×Ignoring the civilian certification stack. The 0671 SSgt who ETS's at 14 years without Security+, a Microsoft server cert, or CISSP eligibility competes against civilian sysadmins who have all three — and the civilian hiring manager does not weight Marine Corps experience the way the Marine Corps does.

A Day in the Life

  • 0500Wake. PT gear on. Phone check — overnight server alerts from the monitoring system, ISSM email on compliance scan results, 1stSgt message on company-level issues. A production server outage overnight means the S-6 already knows; you need to know the status before the 1stSgt asks.
  • 0530-0630PT formation. Report platoon accountability to the company gunny and 1stSgt. Unit PT — the communications company runs the same PT program as the line companies. You run with the platoon; the SSgt who skips PT to check servers loses the formation's respect before he loses his PFT score.
  • 0700-0800Hygiene, chow, uniform change. Quick check with the section chiefs on overnight server status — any alerts, any failures, any ACAS scan results that posted overnight. Prioritize: anything that affects GCSS-MC or the S-4's logistics data flow gets addressed before morning formation.
  • 0800First formation. Company commander addresses the company; 1stSgt and company gunny brief company-level items. You translate the company's training and tasking to your section chiefs during the platoon break-out.
  • 0815-1100Platoon operations. Walk the server room or data center — rack status, environmental monitoring (temperature and humidity), UPS battery status, physical security. Review the ACAS compliance dashboard with the section responsible for the current scan cycle. Coordinate with the communications battalion on Active Directory replication issues or MCEN access requests. If a GCSS-MC data integrity issue surfaced overnight, you are in the S-4 shop explaining the root cause and the remediation timeline by 0900.
  • 1100-1130S-6 coordination. Brief the S-6 on server readiness, compliance posture, and any open issues. If the regimental S-6 is requesting data systems support for an upcoming exercise, this is where the support plan draft gets reviewed and adjusted.
  • 1130-1300Chow. You eat with the platoon or with the company SNCOs — the company gunny, the 1stSgt if he is around, the other platoon sergeants. Conversation is company-level: training schedule, Marine development, retention, the next exercise timeline.
  • 1300-1500Afternoon work. FitRep drafting — three to four Sgt FitReps per cycle, each with attribute rationale tied to observed performance. Mentorship session with a section chief on Career Course packet or GySgt board preparation. STIG remediation validation — walk the section through the post-remediation ACAS scan results and confirm the compliance dashboard is accurate. Equipment inventory reconciliation if TMDE calibration is approaching.
  • 1500-1600Final formation. Company commander briefs; 1stSgt and company gunny brief company-level adjustments. You brief your platoon on tomorrow's priorities. Sensitive items accountability — server room key inventory, COMSEC material accountability, any controlled items signed out during the day.
  • 1600-1730Post-formation wrap. Stay 60-90 minutes with the section chiefs — AAR on the day's work, preparation for tomorrow, open ACAS findings that need resolution before the next scan window. If a Marine in the platoon has a personal issue (financial, family, discipline), the section chief brought it to you today and you decide whether it goes to the 1stSgt tonight or tomorrow.
  • 1730-1900Personal time. Gym, study, Career Course CDET coursework if completing the non-resident path, civilian certification study (Security+, MCSA, CISSP prep). If you are 12-18 months from the GySgt board, you are reviewing past board results and FitRep RV trends.
  • 1900-2100Off-duty monitoring. The platoon sergeant's phone is on. Server alerts, ISSM notifications, Marine-in-crisis calls from section chiefs. A GCSS-MC outage at 1900 means the S-4 cannot run the nightly logistics batch — the section chief calls you, you triage remotely, and if it requires hands-on the section chief has the after-hours data center access procedure you documented.
  • 2100Lights out. Unless a production server is down, in which case the server room lights are on until the service is restored and the S-6 has been notified.
  • Exercise / deploymentThe schedule compresses. You are in the field command post or the forward data center 16-18 hours a day. Server deployment, Active Directory replication verification, GCSS-MC initial data load, ACAS baseline scan, and the backup schedule all run in the first 24 hours. The S-4 needs GCSS-MC operational before the first logistics review; the S-6 needs the server posture briefable before the MCCRE evaluator arrives. Sleep when the servers are stable; the section chief who wakes you at 0300 for a non-critical alert learns the difference between critical and informational by the end of the exercise.

Weekly Cadence

Monday is the planning day. You read the company's weekly training schedule from the 1stSgt and company gunny, adjust the platoon's internal schedule to match (server maintenance windows, ACAS scan cycles, section-level training), and brief the section chiefs by mid-morning. If there is an upcoming exercise or deployment, Monday is when the data systems support plan gets its weekly update — server assignments, Active Directory replication topology, GCSS-MC configuration changes, and the compliance posture that the ISSM will validate. Tuesday through Thursday is execution. Sections run server maintenance, STIG remediation, Active Directory administration, GCSS-MC monitoring, and the various enterprise application support tasks. You walk the data center or server room at least once daily — physical security, environmental monitoring, rack status. Wednesday is typically the ISSM coordination day — compliance dashboard review, POA&M status updates, policy exception requests. Thursday afternoon is usually when the S-6 holds the communications section coordination meeting; you brief data systems readiness and any open issues. Friday is the AAR and preparation day. Section chiefs brief the platoon on the week's accomplishments, open issues, and next week's priorities. You review the ACAS compliance dashboard one final time before the weekend. FitRep notes get updated in the platoon sergeant's notebook. If a Marine has a Monday-morning obligation (medical, dental, legal, career planner appointment), you confirm it Friday so the section chief does not discover it at formation. The company's Friday release is the 1stSgt's call; you release the platoon when the 1stSgt releases the company. The SSgt who releases Marines early without the 1stSgt's authorization is the SSgt the 1stSgt stops trusting with the platoon.

Key Skills — How to Drill Each

  1. 01
    Build a data systems support plan for a battalion-level or MEU exercise — server deployment architecture, Active Directory replication design, GCSS-MC configuration, SQL Server maintenance plan, ACAS scan schedule, backup and recovery — that the regimental S-6 can brief without rewrites.
    The data systems support plan is the technical annex the communications officer defends at the combined-arms rehearsal. Build it 90-120 days before the exercise start date. Map every server, every database instance, every Active Directory replication partner, every GCSS-MC node to a physical location and a power and cooling requirement. Define the ACAS scan schedule that satisfies the ISSM without interrupting production during peak operational windows. Define the backup cadence and the recovery-point objective for GCSS-MC data — the S-4 needs to know how much logistics data is at risk if a server fails at 0200 during the exercise. The SSgt whose plan survives the first 72 hours of the exercise without a major deviation is the SSgt the regimental S-6 names to the GySgt slate.
  2. 02
    Write three to four FitReps per cycle under MCO 1610.7 that the reporting senior can defend at the battalion FitRep review — clean attribute rationale, defensible relative value, no inflation.
    Three to four Sgt FitReps per cycle means three to four section-chief stories told in observed-behavior attribute rationale. Take running notes during the rated period in the platoon sergeant's notebook — ACAS compliance posture during the last quarterly scan, GCSS-MC uptime during the last exercise, section-level server inventory accuracy, Marine development (how many Cpls in the section are Sergeants Course-ready), and the visible leadership work product the section chief demonstrated. Draft Section H attribute rationale tied to specific events and rehearse with the reporting senior before the report transmits. The RV profile you build at SSgt follows you to the GySgt board — the reporting senior who can point to your Sgts actually getting selected is the reporting senior who defends your GySgt FitRep.
  3. 03
    Coordinate Active Directory domain integration, MCEN access authorization, and SQL Server licensing with the communications battalion and the regimental ISSM for every major operation.
    Active Directory domain architecture in a Marine communications environment is not a single-admin-domain problem. The communications battalion manages the parent domain; your platoon manages child domains, organizational units, and group policy objects at the unit level. Every major operation requires coordination on replication topology, trust relationships, MCEN access authorization for augmenting units, and the SQL Server licensing posture that supports GCSS-MC and other enterprise applications. Build the coordination record — email, signed routing sheet, or formal request — that the communications officer can show the MEF G-6 if a domain integration failure causes a data outage during the operation. The SSgt who has the coordination record when the S-6 asks is the SSgt who keeps the platoon.
  4. 04
    Run the ACAS compliance program at the platoon level — console health, CAT I POA&M timelines, policy exception documentation — and brief status to the regimental ISSM.
    ACAS (Assured Compliance Assessment Solution) is the automated vulnerability scanning tool the ISSM uses to validate the STIG compliance posture of every server in your platoon. At SSgt you own the compliance program: console deployment, scan scheduling, results review, POA&M drafting for open findings, and the policy exception documentation for findings that cannot be remediated within the standard timeline. Brief the ISSM on the platoon's compliance posture at the cadence the ISSM sets — typically monthly or quarterly. A clean ACAS dashboard at inspection time is the floor; the SSgt who can walk the ISSM through each open finding and its remediation timeline without looking at notes is the SSgt the ISSM trusts with the harder server segments.
  5. 05
    Mentor two to three Sgts into Career Course graduates and GySgt-board-ready candidates — FitRep literacy, composite score management, section-chief technical depth.
    Each Sgt section chief gets quarterly mentorship sessions with development objectives tied to his GySgt competitive package — Career Course completion timeline, FitRep RV profile, MCMAP progression, civilian certification progress (Security+, Microsoft certs), and the visible-leadership work product the next FitRep cycle will reflect. The honest read on each Sgt matters: the one who is building SSgts behind him is troop-leadership track; the one who is building a deep enterprise-systems expertise is MSgt track. Both are valid paths; the SSgt who reads them honestly and tells them the truth is the SSgt the 1stSgt trusts with the next platoon-sergeant billet.
  6. 06
    Run a platoon equipment inspection and TMDE calibration cycle for the full server and storage inventory and deliver the deadline report to the S-6 before the window closes.
    The data systems platoon's equipment inventory includes servers, network-attached storage, UPS systems, KVM switches, rack infrastructure, and the various cabling and test equipment the sections use. TMDE (Test, Measurement, and Diagnostic Equipment) calibration runs on the Marine Corps calibration cycle. The deadline report — every piece of gear that is non-operational, awaiting parts, or past calibration — goes to the S-6 before the exercise planning window, not during the exercise. The SSgt who delivers the deadline report early enough that the S-6 can request replacement gear through the supply chain is the SSgt whose platoon shows up to the exercise with operational equipment.

Manuals & References — What Chapters Matter

  • NAVMC 3500.44 — Communications T&R Manual.
    The platoon-level collective data systems standards you build your training plan against. The communications officer evaluates your platoon against the T&R manual's collective tasks at the company and battalion level. At SSgt you should be able to map every collective task to a platoon-level training event and tell the S-6 which tasks your platoon has validated and which ones need additional reps before the next MCCRE or ITX.
  • DISA STIGs — Security Technical Implementation Guides.
    You own the compliance program for the platoon's server inventory. Every Windows Server, SQL Server, Active Directory, and SharePoint instance in your platoon has a STIG checklist. The ISSM validates compliance with automated ACAS scans and manual spot checks. At SSgt you need to read the STIGs for the systems your platoon operates — not just the scan results — because the POA&M you sign for an open finding needs to reference the specific STIG control and the specific remediation action, not a generic 'will fix later.'
  • DoDD 8500.01 — Cybersecurity.
    The policy framework that defines the ISSM's authority over your server environment and the Authorizing Official (AO) chain that grants the authority to operate. At SSgt you need to understand the AO chain because every policy exception request your platoon submits for a server that cannot meet a STIG control goes through the AO — and the AO's decision is final. The SSgt who understands the policy basis makes better exception requests.
  • MCO 1610.7 — Performance Evaluation System (FitRep).
    You are now the rater or intermediate reporting official on Sgt and senior Cpl FitReps. Re-read the MCO at SSgt pin-on — the attribute rationale standards, the RV mechanics, and the reporting chain rules are the framework you write within. A FitRep that violates the MCO's procedural requirements gets kicked back by HQMC; one that violates the spirit gets the reporting senior's attention for the wrong reasons.
  • MCO 1400.32 — Marine Corps Promotion Manual.
    SSgt-to-GySgt board mechanics, FitRep relative value impact, PME completion requirements, and the board composition. Re-read before each board cycle. The board reads the entire record — FitRep history, PME completion, civilian education, awards, deployment record, conduct and proficiency marks. Understanding what the board sees is the first step to building a competitive package.
  • MCO P2000.11 — COMSEC.
    PKI certificate infrastructure and cryptographic material on the server backbone remains your section's responsibility at the platoon level. At SSgt the COMSEC custodian relationship is load-bearing — every server that handles encrypted traffic, every PKI certificate renewal, every COMSEC incident report goes through the chain you manage. A COMSEC discrepancy at the platoon level is a career event, not a training deficiency.

Standards — How to Hit Each

  • Career Course (resident or distance) completed — required for the GySgt board in most cases.
    Pull the slot the moment you pin SSgt. Resident slots at the regional SNCO academies (Camp Lejeune, Camp Pendleton, Camp Foster Okinawa) compress when the year-group approaches the GySgt board zone. CDET non-resident checks the box but does not carry the same institutional weight. The Career Course covers organizational-level NCO leadership, training management, and the senior enlisted role in unit readiness — the content maps directly to the platoon-sergeant job you are doing. Complete it early; do not let the PCS cycle or the deployment cycle push it past the board eligibility window.
  • Black Belt MCMAP — the platoon expects the senior SNCO to be a senior instructor in the company.
    MCMAP under MCO 1500.54. At SSgt, Black Belt is the visible credential on the FitRep; the company-level MCMAP program relies on senior-belt instructors for belt progression. The platoon's MCMAP belt progression rate is the company gunny's read of the platoon sergeant's martial-arts program health. Train through the belt levels consistently; do not let the technical workload push MCMAP off the calendar.
  • ACAS compliance above the regimental ISSM-set threshold across the full platoon server inventory.
    The ISSM sets the compliance threshold — typically 95-100% of CAT I findings closed or under an active POA&M with a defined remediation timeline. At SSgt you own the platoon-level dashboard. Run pre-inspection ACAS scans 72 hours before the ISSM's scheduled scan; identify open findings; draft POA&Ms for anything that cannot be remediated in the window. The SSgt whose compliance dashboard is green at inspection time is the SSgt the ISSM trusts with the harder server segments in the next exercise.
  • Zero open CAT I STIG findings on any server segment owned by the platoon at inspection time.
    CAT I STIG findings are the severity level that represents an immediate security risk — default passwords, unpatched critical vulnerabilities, unauthorized services running on production servers. At SSgt, zero open CAT I findings at inspection time is the floor. The remediation workflow: section chief identifies the finding, platoon sergeant validates the remediation action, the section applies the fix, the platoon sergeant verifies with a post-remediation ACAS scan, and the compliance dashboard updates before the ISSM's scheduled validation. A CAT I finding that the ISSM discovers before you do is a leadership failure, not a technical one.
  • FitRep relative value above battalion average — one weak cycle on the SSgt-to-GySgt board moves the timeline by years.
    The RV profile under MCO 1610.7 is graded by HQMC across all Marines you rate and all Marines who rate you. At SSgt, a single FitRep cycle where the reporting senior marks you below the battalion average in key attributes changes the board's read of your entire record. The way to keep the RV competitive: deliver results the reporting senior can observe (clean ACAS dashboard, servers operational during the exercise, Sgts developing), and ensure the reporting senior knows about the results (brief weekly, document in the day-book, provide the FitRep bullet-point inputs before the cycle closes).

Technical Mistakes — Concrete Consequences

  • Delegating the ACAS scan review to a section chief without a back-brief and a compliance report.
    The regimental ISSM does not accept 'my section chief said it was clean' — the signed compliance dashboard is the answer. When the ISSM runs the quarterly scan and finds three open CAT I findings the section chief told you were remediated, the ISSM's report goes to the regimental S-6 with the platoon sergeant's name on it. The conversation with the S-6 afterward is not about the section chief's oversight; it is about the SSgt who signed the compliance report without validating it.
  • Writing a FitRep as a wish list instead of an evaluation.
    The reporting senior who defends an inflated Sgt at the battalion FitRep board remembers the SSgt who wrote it. Worse, the Sgt who gets selected on inflated marks and then fails at the next rank is the Sgt the community remembers the SSgt for producing. The FitRep is a statement under the reporting senior's name; the SSgt who writes it carries the institutional consequence of every mark and every attribute rationale sentence.
  • Allowing a section chief to manage the server inventory and configuration documentation by memory instead of a maintained configuration management database.
    The Marine who inherits the data center after a PCS needs the documentation, not the tribal knowledge. When the incoming section chief cannot identify which server runs GCSS-MC replication, which SQL instance handles the S-4's logistics database, and which Active Directory domain controller is the PDC emulator, the first 30 days of the new section chief's tenure are spent reverse-engineering the environment instead of operating it. The S-6 who learns the documentation does not exist learns it during the exercise — and the SSgt who allowed it is the SSgt the S-6 does not name for the next platoon-sergeant billet.
  • Skipping the pre-exercise GCSS-MC replication baseline.
    When logistics data posts incorrectly during the exercise and the S-4 is calling the S-6 at 0200, the replication log from setup is the only diagnostic tool. A blank baseline means starting the troubleshooting from zero — no reference point for what the replication topology looked like before the failure. The S-4's logistics review data stops posting; the S-6 calls the platoon sergeant; the platoon sergeant calls the section chief; the section chief has nothing to compare against. The GySgt board reads the exercise AAR.
  • Hiding persistent STIG findings from the regimental ISSM to avoid the conversation.
    The ISSM finds out at the automated inspection scan, not from you — and the compliance report that goes to the regimental S-6 includes the finding's age, which tells the S-6 how long the platoon sergeant knew about it without reporting it. A finding that was open for 90 days and never appeared on a POA&M is a leadership integrity failure. The SSgt who reported the finding and submitted the POA&M on day one keeps the billet; the SSgt who hid the finding and got caught by the automated scan does not.

Career Decisions at This Rank

  • Stay for GySgt vs ETS at 10-14 years — the first major career-timing decision for a 0671 SSgt.
    At SSgt with 10-14 years TIS, the GySgt board is 1-3 cycles away. The math: stay for GySgt (E-7 pay, increased retirement multiplier under BRS, broader billet options, stronger post-service market positioning) or ETS now with the IT skills, clearance, and certifications you have built. The civilian IT market for a 0671 SSgt with Active Directory, SQL Server, GCSS-MC, and DISA STIG experience plus a TS/SCI clearance pays $85K-$130K in the defense contractor space (Leidos, SAIC, Booz, ManTech, CACI) and $90K-$140K in federal civilian IT (DISA, MARCORSYSCOM, HQMC C4 GS-11/GS-12). The BRS continuation pay at 12 years is already collected or in the window. The honest question: do you want to lead Marines for another 6-10 years, or do you want to be a technical professional in an enterprise IT environment? Both are real careers; the wrong answer is not deciding.
  • Career Course resident vs CDET non-resident — PME timing and institutional weight.
    Resident Career Course at a regional SNCO academy is the visible credential the board recognizes most strongly. CDET non-resident checks the PME requirement but carries less institutional weight in the 0671 community, where the SgtMaj network is small enough that everyone knows who went resident and who went distance. The trade-off: resident requires a 6-8 week TDY away from the platoon (and away from family), which can conflict with exercise or deployment timelines. Pull the resident slot as early as possible after SSgt pin-on; if the deployment cycle pushes it past the first GySgt board eligibility, CDET is better than nothing — but plan the resident slot for the next cycle.
  • B-billet timing — DI, recruiter, MSG, instructor.
    The Marine Corps expects SNCOs to complete at least one B-billet (special duty assignment) during their career. For 0671 SSgts, the options include drill instructor (Parris Island or San Diego), recruiter (8411/8412 MOS), Marine Security Guard (MSG at an embassy), or instructor duty (MCCES Twentynine Palms, communications school cadre, SNCO Academy). The GySgt board and the 1stSgt/MSgt board both read B-billet completion. The SSgt who has not completed a B-billet by the GySgt board cycle has a visible gap; the SSgt who completed one at Sgt or SSgt has a credential the board recognizes. The decision: pursue the B-billet now (24-36 months away from the data systems platoon, potential PCS, family impact) or accept the gap on the board package and compete without it.
  • Civilian certification stack — which certs, what order, on whose dime.
    The civilian IT market values certifications that the Marine Corps MOS training does not automatically provide. CompTIA Security+ is the DoD 8570/8140 baseline for IA positions and should be the first cert if you do not already have it. Microsoft server administration certifications (MCSA Windows Server, Azure Administrator) validate the Active Directory and SQL Server skills the MOS builds. CISSP eligibility (requires 5 years of relevant experience, which the MOS provides) is the senior-level certification that opens doors at GS-13+ federal civilian and senior contractor positions. The Marine Corps Credentialing Opportunities On-Line (COOL) program and the Navy COOL equivalent fund many of these certifications — use the funding while you are in, because the certs are permanent and the funding is not.
  • 1stSgt track vs MSgt track — the conversation that starts at SSgt even though the fork is at E-8.
    The 1stSgt vs MSgt fork is formally at the E-8 board, but the SgtMaj community reads the trajectory at GySgt — and the trajectory is shaped by the SSgt's visible career arc. The SSgt who runs a strong platoon, develops section chiefs, and is comfortable with troop-leadership work (formation, discipline, family readiness, casualty assistance) is reading as 1stSgt-track. The SSgt who is the enterprise-systems technical authority, is more comfortable in the S-6 shop than in the formation, and builds deep GCSS-MC or Active Directory architecture expertise is reading as MSgt-track. Both are valid; the honest self-assessment at SSgt shapes the GySgt billet request and the B-billet timing.

How the Seat Varies by Unit Type

  • Communications battalion data systems platoon (1st, 2nd, or 3rd CommBn — Camp Pendleton, Camp Lejeune, Camp Foster Okinawa)
    The communications battalion data systems platoon sergeant runs the largest concentration of data systems Marines in a single formation — typically 20-30 Marines across multiple server, database, and enterprise application sections. The communications battalion supports a division or MEF headquarters directly; the server infrastructure you maintain is the backbone the division or MEF S-6 staff relies on for GCSS-MC, Active Directory, and SharePoint. The ACAS compliance program is the most visible in the regiment because the communications battalion owns the most servers. The MEU rotation cycle drives the operational tempo — PTP workup, deployment, reset — and the SSgt who runs a clean deployment-readiness posture is the SSgt the battalion S-6 names to the GySgt slate.
  • Regimental or battalion S-6 shop (infantry, artillery, logistics regiment)
    The S-6 shop data systems SNCO at a line regiment or battalion is typically a smaller section — 5-12 Marines — supporting a formation whose primary mission is not communications. The infantry regiment S-6 needs GCSS-MC working for the S-4; the artillery regiment S-6 needs the server environment supporting fire direction data; the logistics regiment needs the full enterprise application stack operational for supply chain management. The SSgt in this billet is the sole data systems authority in a formation where the S-6 officer may have limited server-side expertise. Autonomy is higher; oversight is lower; the consequences of a mistake are more visible because there is no peer to catch it.
  • MEF G-6 staff section (I MEF, II MEF, III MEF)
    The MEF G-6 data systems SNCO operates at the MEF headquarters level — the highest echelon of operational data systems management short of HQMC. The server infrastructure supports MEF-level enterprise applications, Active Directory domains that span the MEF's subordinate commands, and GCSS-MC instances that aggregate logistics data across the entire MEF. Visibility to the MEF CG and MEF SgtMaj is indirect but real; the G-6's briefing at the MEF BUB includes the data systems readiness posture the SSgt compiled. The work is more staff-oriented than troop-oriented — fewer Marines, more coordination, more enterprise architecture planning.
  • MCCES instructor cadre (Twentynine Palms)
    The Marine Corps Communication-Electronics School (MCCES) at MCAGCC Twentynine Palms is where 0671 Marines are trained. The SSgt instructor at MCCES teaches the next generation of data systems Marines — server administration, Active Directory, SQL Server, DISA STIGs, GCSS-MC fundamentals. The instructor billet counts as a B-billet and is visible on the GySgt board. The OPTEMPO is different from fleet — training cycle-driven rather than deployment-driven — but the technical currency requirement is high because the students will hold the instructor to the current fleet standard, and the MCCES cadre leadership evaluates instructor technical depth explicitly.
  • MARFORCYBER / MCCOG support (Fort Meade or distributed)
    Marine Forces Cyberspace Command (MARFORCYBER) and the Marine Corps Cyberspace Operations Group (MCCOG) have data systems billets that operate in the cyber mission space. The SSgt in this environment works on server and enterprise infrastructure that supports cyber operations — the classification levels are higher, the STIG compliance requirements are more stringent, and the clearance requirements are TS/SCI with additional access. The work is less fleet-oriented and more enterprise-security-oriented; the post-service market positioning from this billet is among the strongest in the 0671 community.

What Good Looks Like at This Rank

The good SSgt 0671 is the platoon sergeant the S-6 walks into a pre-deployment brief knowing that the data systems support plan is already built, the ACAS compliance dashboard will survive the ISSM's inspection, GCSS-MC replication is baselined and documented, and the section chiefs can brief their server assignments and recovery plans without the platoon sergeant standing behind them. His Sgts are Career Course-complete or slotted, his Cpls are building toward Sergeants Course, and the platoon's server inventory is documented well enough that a PCS turnover does not require rebuilding tribal knowledge from scratch. The S-6 trusts him to push back honestly on server architecture decisions that are 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 ISSM trusts him to brief compliance status honestly, including the findings that cannot be remediated in the standard window. The 1stSgt trusts him to run the platoon's Marine development program without supervision — mentorship, FitReps, Career Course tracking, MCMAP progression, and the honest conversation with the Sgt who is not competitive for the GySgt board. The regimental S-6 knows his name before the battalion S-6 tells him. His section chiefs are getting SSgt-board-ready. His Marines re-enlist because of the school slots, the technical credibility of the platoon, and the mentorship they received from a platoon sergeant who told them the truth about their career arc. The GySgt board sees a clean FitRep profile, Career Course completion, a visible compliance record, and section chiefs who got selected — and the reporting senior can defend every attribute mark without hesitation.

Preview — The Next Rank

GySgt (E-7) is the company-level senior data systems SNCO — data systems chief at the communications battalion, regimental data systems chief, or S-6 operations chief at a battalion or higher headquarters. The daily work shifts from platoon-level server administration to enterprise-level architecture planning, ISSM coordination at the regimental level, and the FitRep writing that shapes the next generation of 0671 SSgts. The GySgt writes three to five SSgt FitReps per cycle and is rated by the communications officer or the regimental S-6. The SgtMaj's read becomes the direct driver of the assignment slate — the GySgt board selects, but the SgtMaj community steers which billets the new GySgts walk into. The 1stSgt vs MSgt fork at E-8 is the most consequential career decision at the GySgt level: 1stSgt (the 8999 1stSgt MOS, company senior enlisted leader, troop-leadership track) vs MSgt (the staff senior-NCO track — enterprise systems chief at MEF G-6, HQMC C4 staff, TECOM cadre). The fork is shaped by the SgtMaj's read of the GySgt's career arc, not just the board score. The operational load at GySgt is heavier. You are the SNCO the communications officer calls when GCSS-MC is posting bad data and the MEF G-4 wants answers before the commander's brief. You coordinate Active Directory architecture with the communications battalion and HQMC enterprise systems. You brief the regimental SgtMaj on section morale, retention, and gear readiness. The Advanced Course at the SNCO Academy is the PME gate. The B-billet completion record, the FitRep profile, and the ACAS compliance track record compound on the centralized MSgt/1stSgt board. The retirement math at GySgt with 14-18 years TIS is the load-bearing financial decision — stay for E-8 or ETS into the defense IT market with a clearance and a senior NCO record.
FAQ

0671 E6 — Frequently Asked Questions

Q01What does a E6 0671 (Data Systems Administrator) actually do?
You run the data systems platoon or serve as the senior data systems SNCO in a communications company — 15 to 30 Marines across multiple sections, the full range of server, database, and enterprise application infrastructure the unit operates on the MCEN.
Q02What's the most important thing to know as a E6 0671?
Staff Sergeant 0671 is the data systems platoon sergeant or senior data systems SNCO at a communications company.
Q03What does a typical day look like for a E6 0671?
Time-blocked day at the E6 0671 rank tier: 0500 Wake. PT gear on. Phone check — overnight server alerts from the monitoring system, ISSM email on compliance scan results, 1stSgt message on company-level issues. A production server outage overnight means the S-6 already knows; you need to know the status before the 1stSgt asks, 0530-0630 PT formation. Report platoon accountability to the company gunny and 1stSgt. Unit PT — the communications company runs the same PT program as the line companies. You run with the platoon;…
Q04What mistakes get E6 0671 soldiers fired or relieved?
Missing Career Course. The GySgt board reads PME completion explicitly; a missed slot at SSgt narrows the window and there is no recovery within a single board cycle; FitRep inflation on section chiefs. The SSgt whose Sgts get selected at rates his narratives do not support burns his RV credibility — and the reporting senior remembers who wrote the inflated report when the GySgt board results post;…
Q05What career decisions matter most at the E6 0671 rank tier?
Stay for GySgt vs ETS at 10-14 years — the first major career-timing decision for a 0671 SSgt — At SSgt with 10-14 years TIS, the GySgt board is 1-3 cycles away. The math: stay for GySgt (E-7 pay, increased retirement multiplier under BRS, broader billet options, stronger post-service market positioning) or ETS now with the IT skills, clearance, and certifications you have built. The civilian IT market for a 0671 SSgt with Active Directory, SQL Server, GCSS-MC, and DISA STIG experience plus a TS/SCI clearance pays $85K-$130K in the defense contractor space (Leidos, SAIC, Booz, ManTech,…
Q06What's next after E6 for a 0671 (Data Systems Administrator) in the Marines?
GySgt (E-7) is the company-level senior data systems SNCO — data systems chief at the communications battalion, regimental data systems chief, or S-6 operations chief at a battalion or higher headquarters.
Q07What manuals and regulations does a E6 0671 need to know cold?
NAVMC 3500.44 — Communications T&R Manual (platoon-level data systems collective standards you build training against).; DISA STIGs — you own the compliance program for the platoon's server inventory and the POA&M tracking that goes up to the regimental ISSM.; DoDD 8500.01 — Cybersecurity; the policy basis the ISSM cites in every exception to policy request you sign at the platoon level.

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