Skip to main content
HonestMOS
●InvestigationsCongress made VA disability claims free to file. An entire industry charges veterans anyway — and nobody can stop them.→
←Back to 1316 Metal Worker — overview, pay, training, civilian translation, reviews
1316E5

Metal Worker

E-5 (Sergeant) · Marines

E1–E3E-4E-5E-6E-7E8–E9
HEADS UP

Sergeant 1316 is the fabrication section leader — the NCO who runs the work queue, enforces the quality standard, writes FitReps on the Cpls, and owns the T&R training pipeline for the Metal Workers in the shop. The SSgt selection board is FitRep-driven. The Sergeants Course PME is the gate. The shop's production quality and your Marines' qualification progression are the two things the company gunny reads on your next FitRep.

The Honest MOS Read
Sergeant in the 1316 community is the section leader rank — the load-bearing NCO tier of the fabrication shop. You run three to six Marines, you manage the section's work request queue, you inspect every weld and fabrication that leaves the shop, and you are the quality authority the platoon commander calls when a structural repair is questioned. The parts you approve go into the field and carry load — equipment mounts, structural brackets, repair welds on vehicles and construction equipment, field-fabricated components that the supply system does not stock. If you sign off a bad weld and it fails under load, the investigation starts and ends with your inspection record. The section leader's day is split between production and leadership. You still weld — the Sgt who stops touching the torch loses the credibility that a craft MOS demands — but you spend more time managing jobs, inspecting work, training Marines, and handling the administrative layer that keeps the shop operational. FitReps on your Cpls under MCO 1610.7 are now your responsibility. Pro/Con marks on every Marine in the section. T&R training plan — tracking every Marine's progression through welder qualification, machining skills, cutting processes, safety certifications, and the timeline the company expects them to complete. The section's HAZMAT program — welding fumes, grinding dust, solvents, compressed gases — runs under your name. The fabrication work queue is the visible output of your section. Work requests arrive from supported units through the S-3 or the platoon commander. You assess feasibility: can we make this part, with this material, in this timeframe, with the Marines and equipment we have? You assign the job to the right Marine based on skill level and the process the job requires. You inspect the completed work against AWS D1.1 acceptance criteria and the drawing specifications. You deliver the part to the supported unit and close the work order. The platoon commander judges your section by the queue: how fast you clear it, how few callbacks you generate, and how many work requests you had to decline because your Marines were not qualified for the process. Field fabrication at the Sgt level is where the capability becomes operational. The engineer support company deploys its fabrication element, and your section is the production engine. You site the field shop, manage the generator power, coordinate with the supported units for work requests, and ensure the parts you produce actually solve the problem the line unit brought to you. The field is where every training shortcut you allowed in garrison shows up — the Marine who is not qualified on TIG cannot weld the aluminum bracket the supported unit needs, and you are fabricating it yourself at 0200 because you did not train the bench. The promotion path to SSgt runs through the centralized SNCO selection board under MCO 1400.32 — not the cutting-score system that governs Cpl and Sgt promotions. The SSgt board reads FitReps, PME completion (Sergeants Course required, Career Course visibility), education, awards, deployment record, and the visible leadership work product from your section-leader tour. The 1316 MOS is small — the board knows the community, and the Marines who have clean FitReps with specific fabrication outcomes (parts produced, Marines qualified, safety record, field support delivered) are the Marines who get selected.
Career Arc
  • 01Cpl to Sgt pin-on via composite score / cutting score under MCO 1400.32.
  • 02Fabrication section leader assumption — 3-6 Marines, work queue management, quality control authority.
  • 03Sergeants Course PME completion — required for SSgt board eligibility.
  • 04FitRep writing on Cpls under MCO 1610.7 — first formal performance evaluation responsibility.
  • 05T&R training plan ownership — section-level welder qualification progression, machining skill development.
  • 06HAZMAT program and environmental compliance responsibility for the section.
  • 07SSgt centralized selection board — FitRep-driven, paper-record review.
Common Screwups
  • ×Welding every hard job yourself instead of training the Cpls to handle it. Your section has no depth behind you, and the field exercise that requires two fabrication teams running simultaneously exposes the gap the platoon commander did not know existed.
  • ×NJP / DUI / fraternization — at Sgt in a small MOS community, the read is permanent. The SSgt selection board reads discipline incidents for the career of the Marine, and in a small community the SgtMaj knows by name.
  • ×Missing Sergeants Course / Career Course PME. The SSgt board reads PME completion explicitly; missed gates are visible and there is no workaround within a board cycle.
  • ×FitRep drift — writing generic, inflated marks on Cpls that do not match specific observed outcomes. The reporting senior (typically the platoon commander) builds the attribute rationale from your input; inflation without substance does not survive the battalion FitRep review.
  • ×Letting the HAZMAT and environmental compliance program slide because the operational demand is heavy. The base environmental office audits on a cycle, and the shop SOP with your signature is the first document they pull.

A Day in the Life

  • 0500Wake. Phone check for the platoon group chat — overnight issues, recall, liberty incident. PT uniform on.
  • 0530PT formation. You take accountability for your section, report to the platoon sergeant. Missing Marine is your problem first.
  • 0545-0700Unit PT. You set the pace for your section — ruck at the front, run at the front. The platoon sergeant watches whether your section holds standard.
  • 0700-0830Hygiene, chow, change to utilities. Walk the shop before morning formation. Check the work queue status, consumable levels, equipment status. Your section should be ready to produce when the shop chief walks in.
  • 0830Morning formation. Platoon sergeant briefs. Shop chief assigns the day's priorities. You brief your section — which jobs, which Marines, which deadlines, which training events.
  • 0900-1130Production and supervision. You split time between your own fabrication work and supervising the Cpls and LCpls. Walk the booths — inspect welds in progress, correct technique, verify safety compliance. Receive and assess new work requests. Machine a precision part on the lathe if the job calls for it. The section leader who is visible on the shop floor is the section leader whose Marines produce better work.
  • 1130-1300Chow. Administrative work — FitRep input drafting, T&R training records, consumable reorder requests, HAZMAT compliance documentation.
  • 1300-1500Afternoon production. T&R training block — formal instruction for the section on a welding process, a machining operation, or a safety topic. Inspect completed fabrications before release. Coordinate with supply on consumable orders.
  • 1500-1630Final formation. Shop cleanup. Tool inventory. Consumable log update. HAZMAT secured. Equipment status checked and logged. Platoon sergeant gives the next day's plan. You brief your section.
  • 1630-1800Post-release. Catch up on administrative backlog — FitReps, counseling sessions with your Cpls (monthly at minimum), Pro/Con mark preparation, coordination with the S-4 on upcoming supply needs.
  • 1800-2100Personal time. Gym. Sergeants Course coursework (if CDET). AWS code study. Career Course planning. The Sgt who builds the SSgt board package on personal time is the Sgt who is ready when the zone opens.
  • 2200Lights out.
  • Field exercise / MEU PTP / ITXThe section deploys its fabrication capability. You site the field shop, manage the generator, coordinate with supported units, assign jobs, supervise production, inspect every part, and manage the tool inventory at every shift change. The field is where every training shortcut shows — the Marine who is not qualified on TIG is a gap you fill yourself at 0200. The section leader whose field shop produces quality work on time and brings every Marine and tool back is the section leader the company gunny defends at the BUB.

Weekly Cadence

The Mon-Fri rhythm at Sgt runs on the work queue and the platoon training schedule. Monday is the heaviest planning day — the platoon sergeant puts out the week's training schedule at Friday's release, but Monday morning is when you discover what changed. You spend the morning reviewing the work queue, assigning new jobs, and setting the week's T&R training schedule for the section. Tuesday through Thursday is the production and training rhythm. Your section is at the booths, the cutting tables, and the machines producing parts and progressing through the qualification matrix. You split your time between production supervision, your own fabrication work, and the administrative layer — FitRep input, T&R tracking, Pro/Con counseling sessions, HAZMAT compliance documentation. One formal training event per week at minimum — a welding process demonstration, a machining operation, a drawing interpretation exercise, or a safety topic. The platoon sergeant pulls the section for platoon-level events when the calendar dictates. Friday is maintenance, accountability, and planning. Equipment PM on the welding machines, generators, lathe, and cutting equipment. Full tool inventory and accountability check. Consumable stock assessment and reorder submission. HAZMAT audit. The shop chief walks the shop. The platoon sergeant gives the next week's plan. You brief your section on Monday's priorities before release. Field exercises collapse the garrison rhythm entirely. The fabrication section deploys and produces on the operational cycle. Work requests flow from supported units, you prioritize and assign, your Marines produce, you inspect and deliver. Sleep in shifts near the shop. Tool inventory at every shift change. The administrative work — T&R tracking, counseling notes, equipment maintenance logs — does not stop in the field; it just compresses into the time between production runs. The section leader who maintains discipline on the admin even during a field problem is the section leader whose records survive the post-exercise review.

Key Skills — How to Drill Each

  1. 01
    Manage a fabrication section work queue — receive work requests, assess feasibility, assign jobs based on skill and equipment availability, set priorities, and deliver completed parts on the timeline the platoon commander committed.
    The work queue is the section's visible output. Track every request on a whiteboard or a logbook — request date, requesting unit, description, material, process, assigned Marine, due date, completion date, inspection status. Prioritize by operational impact: the bracket the infantry needs before their deployment outweighs the custom shelf the S-1 wants for the office. When a request exceeds your section's capability (exotic alloy, precision tolerance beyond your equipment, or no Marine qualified on the required process), tell the platoon commander immediately — the worst answer is a late 'we can't do it.' The section leader who manages the queue visibly and delivers predictably is the section leader the platoon commander defends at the battalion BUB.
  2. 02
    Inspect completed welds and fabrications to AWS D1.1 acceptance criteria and applicable military standards — visual inspection, dimensional check, and the judgment call on whether a field repair meets the structural requirement.
    Visual inspection is your primary tool: check for cracks, incomplete fusion, porosity, undercut, overlap, and correct weld size against the drawing callout. Use a fillet gauge for fillet welds, a ruler for groove weld reinforcement height. Dimensional check the assembly against the drawing — the weld may be clean but the part may be out of tolerance because the fit-up was off. The judgment call is the hard part: a field repair on a tactical vehicle that needs to move now may accept a wider tolerance than a permanent structural repair. Document every inspection — the record protects you, the shop, and the supported unit.
  3. 03
    Write FitReps on your Cpls under MCO 1610.7 — observed performance, specific job outcomes, honest marks that the reporting senior can defend.
    Take running notes during the rated period: which jobs the Cpl completed, which welds were clean on first pass, which training events the Cpl conducted for the junior Marines, how the Cpl ran the field fabrication team. Write the Section A input in observed-behavior terms — 'produced 47 structural fabrications to AWS D1.1 acceptance with zero quality callbacks' not 'performed welding duties satisfactorily.' The reporting senior (platoon commander) builds the attribute marks from your input; the reviewing officer (company commander) reads it against every other Sgt's input. Honest marks that the reporting senior can defend are worth more than inflated marks that collapse under scrutiny.
  4. 04
    Build and execute the section's T&R training plan — welder qualification progression, machining skill development, cutting process training, safety certifications — tracked against NAVMC 3500 individual task completion.
    Build a training matrix with every Marine's name across the top and every T&R individual task down the side. Color-code: complete, in progress, not started. Set quarterly milestones for each Marine — by Q3 this LCpl should have vertical SMAW and flat GMAW qualified; by Q4 this Cpl should have overhead GTAW. Schedule one formal training event per week minimum — demonstrate the process, let the Marine practice, correct, and sign. Track completion in the unit training tracking system. The company gunny sees the section's T&R completion rate on the unit readiness report — the section that is green is the section the company commander trusts.
  5. 05
    Run the section's HAZMAT program — welding fume ventilation, grinding dust controls, solvent storage and disposal, compressed gas handling — to the base environmental and safety officer's standard.
    HAZMAT management in a metal shop is not optional — it is a regulatory requirement with real consequences. Welding fume ventilation: verify the shop's ventilation system (local exhaust at the booth, general ventilation in the shop) meets the permissible exposure limits for the metals you weld. Grinding dust: ensure dust collection is functioning and disposable respirators are available when local exhaust is insufficient. Solvents: store in approved cabinets, dispose through the base HAZMAT office, maintain the SDS (Safety Data Sheet) binder current. Compressed gases: chain cylinders, cap valves, separate oxygen from fuel gases by the required distance. The base environmental office inspects on a cycle; the shop SOP with your signature is what they audit against.
  6. 06
    Coordinate with the S-4 and supply section for welding consumables, raw stock (plate, bar, pipe, angle), shielding gas, and cutting consumables — maintaining a 30-day operational stock in garrison and pre-staging for field exercises.
    Consumable management is the invisible skill that keeps the shop running. Track weekly burn rates by process: pounds of E7018, pounds of ER70S-6 wire, cubic feet of argon/CO2 mix, number of cutting tips and grinding discs. Set reorder points at two weeks of stock. Submit requests to the supply section through the platoon sergeant with enough lead time for the procurement cycle. Before a field exercise: calculate the expected work request volume, multiply the daily consumable rate by the exercise duration plus a 25% contingency, and pre-stage. The shop that runs out of rod on day three of a two-week exercise is the section leader's failure, not the supply section's.

Manuals & References — What Chapters Matter

  • AWS D1.1 — Structural Welding Code — Steel
    At Sgt you are the inspection authority for the section. Focus on the visual acceptance criteria tables, the welder qualification requirements (Part D), and the WPS prequalification requirements (Part C). You should be able to reject or accept a weld and cite the specific clause. The shop chief (SSgt/GySgt) may overrule you, but your initial call should be defensible.
  • MCO P11000.12 — Marine Corps Engineer Operations
    At Sgt you understand the battalion's fabrication capability in context — how work requests flow from the supported units through the S-3 to your section, what the engineer support organization is designed to provide, and where the fabrication shop fits in the MAGTF support framework. This understanding shapes how you brief the platoon commander on capability and limitations.
  • NAVMC 3500 (13xx T&R Manual) — Sgt-level individual and collective tasks
    You build the section's training plan from this manual. The collective tasks at the Sgt level define what your section should be able to do as a team. The individual tasks define what you sign off for your Marines. Print the task list, build the training matrix from it, and use it as the basis for every quarterly training plan you brief to the platoon commander.
  • MCO 1610.7 — Performance Evaluation System
    You write FitReps now. The FitRep policy, the Section A narrative requirements, the attribute marks rubric, the relative-value mechanics — read all of it at Sgt pin-on. The SSgt board reads your Cpls' FitReps as a signal of your leadership quality; the FitReps you write on others reflect back on you.
  • MCO 1400.32 — Marine Corps Promotion Manual
    The SSgt selection board mechanics live in this manual. At Sgt you are transitioning from the cutting-score system (which governs Cpl/Sgt) to the centralized selection board system (which governs SSgt and above). Understand the board's relative-value mechanic, the FitRep weighting, and the PME requirements before you reach the zone of eligibility.
  • MCO P5090.2 — Environmental Compliance and Protection Manual
    Your section's HAZMAT program runs under this order. The base environmental office audits shop-level compliance against this MCO. Read the sections on hazardous waste management, air emissions from welding and cutting operations, and the shop-level responsibilities for HAZMAT storage and disposal. The section leader whose HAZMAT program survives the audit is the section leader the company commander trusts.

Standards — How to Hit Each

  • Sergeants Course graduate — required and gated on the path to SSgt.
    Sergeants Course is delivered at regional Marine Corps NCO academies (Camp Lejeune, Camp Pendleton, Camp Foster Okinawa) for in-residence, or via CDET for non-resident. In-residence is materially better — both for the rigor and for the cross-MOS NCO network. Pull the in-residence slot as soon as you pin Sgt through the platoon sergeant and the company gunny. Career Course (the next-tier PME) becomes the question after Sgt and before SSgt — schedule it early.
  • Current welder qualification on all three primary processes (SMAW, GMAW, GTAW) maintained through periodic requalification testing.
    At Sgt you are the quality authority — you cannot inspect welds you are not qualified to produce. Maintain current qualification on all three processes in multiple positions (at minimum: flat, horizontal, vertical on all three processes; overhead on SMAW). Requalification testing runs on a periodic cycle — do not let it lapse because the administrative workload is heavy. The section leader who is not current on his own qualifications cannot credibly enforce qualification currency for his Marines.
  • Section T&R completion rate on track — every Marine in the shop progressing through the qualification matrix the company expects.
    The company gunny sees the section's T&R completion rate on the unit readiness report. A section with three Marines who have not completed their apprentice-level tasks after six months is a section with a training problem, and the training problem has the section leader's name on it. Build the quarterly training plan with milestones for each Marine, brief it to the platoon commander, and execute it alongside the production work. When production conflicts with training (and it will), negotiate with the platoon commander — do not silently sacrifice training to meet the work queue.
  • Brown Belt MCMAP minimum; Black Belt is what the company gunny notes on the next FitRep.
    Brown Belt at Sgt is the minimum expectation in an engineer community. Black Belt is the visible differentiator that the company gunny notes on FitRep input and that the SSgt board reads. Schedule the progression through the platoon's MAI or MAIT. The Sgt who has Black Belt before the SSgt board is the Sgt whose composite reads cleanly and whose physical credibility in front of the Marines is unquestioned.
  • 1st-Class PFT and CFT; your section average is reported and watched.
    At Sgt your personal score matters, but the section's pass rate and average score matter more. The platoon sergeant sees the section's PFT/CFT data on the unit health-of-the-force report. A section leader with a 285 PFT and three Marines below 1st-Class is a section leader who is not leading from the front on fitness. Build the section's PT into the platoon PT plan, ruck with the section once a week, and hold the boots accountable for the same standard you hold yourself.

Technical Mistakes — Concrete Consequences

  • Releasing a structural repair without a documented inspection.
    If the weld fails in service and there is no inspection record, the investigation starts and ends with the section leader who signed nothing. The supported unit's equipment was damaged because a part failed; the maintenance investigation traces the part back to your shop; and the shop's inspection log has no entry for the job. The platoon commander is answering to the company commander, and you are answering to both. Document every inspection — date, work order number, Marine who produced the work, process used, visual inspection result, dimensional check, and your signature. The paperwork takes three minutes; the investigation without it takes three months.
  • Letting welder qualifications lapse because the field schedule was heavy.
    An unqualified welder producing structural repairs is a liability the CO does not know he is carrying until the failure report arrives. If the Marine's qualification expired last month and he welded a structural bracket this week, the investigation asks when the qualification expired and who authorized the work. The section leader who maintained the qualification matrix and enforced requalification testing on schedule is protected; the section leader who let it slide is explaining why he authorized structural work by an unqualified welder.
  • Running the shop without enforcing PPE — welding helmets, safety glasses, hearing protection, respiratory protection.
    One arc flash eye injury (photokeratitis — 'welder's flash') sends a Marine to medical, generates a safety incident report, and triggers a shop safety investigation. One chronic fume exposure claim (hexavalent chromium from stainless steel welding, manganese from mild steel welding) opens a VA disability case that traces back to the shop's ventilation and PPE compliance record. The safety investigation reviews every shop SOP you signed, every PPE inspection you documented (or did not document), and every training record. The section leader who enforced PPE consistently has a defense; the section leader who let it slide has a career impact.
  • Not pre-staging consumables before a field exercise.
    Running out of welding rod, shielding gas, or cutting tips on day three of a two-week field problem turns your fabrication section into a working party. The supported unit that brought you a work request gets told the shop is cold, the platoon commander explains to the company commander why the fabrication capability he committed is not available, and the section leader who did not coordinate with the S-4 supply chain before deployment is the section leader whose FitRep reflects the failure.
  • Hiding section problems from the platoon commander to look good.
    He finds out from the supported unit — the infantry company that brought a work request and was told the shop cannot do it, or the S-4 who heard the welding machine is down and the section leader never reported it. The conversation about your FitRep is happening in a room you are not in. The platoon commander who is surprised by a capability gap he should have known about is a platoon commander who stops trusting the section leader who hid it. Report problems early, with a proposed solution — the report is proof of leadership; the surprise is proof of concealment.

Career Decisions at This Rank

  • B-billet at Sgt — DI duty, recruiter, instructor at MCES vs. staying in the fabrication shop
    B-billet (special duty assignment) at Sgt is a career-broadening move that is visible on the SSgt board. Drill Instructor duty at MCRD (Parris Island or San Diego) is ~3 years and the most intense B-billet in the Marine Corps — the DI identifier is a known check at the SSgt and GySgt boards. Recruiter (8411 MOS via Recruiter School) moves you to a small civilian community. MCES instructor keeps you in the fabrication world while building teaching credentials. The cost of any B-billet: three years away from the shop means your welding skills may atrophy and your section-leader experience pauses. The benefit: the board read includes B-billet completion as a leadership credential. Talk to the platoon sergeant and a GySgt who has done the tour.
  • AWS Certified Welding Inspector (CWI) pursuit vs. maintaining welder-level credentials only
    AWS CWI is the civilian industry gold standard for welding quality inspection — a credential that pays $70K-$120K+ on the civilian market depending on industry and location. The CWI requires welding experience (which you have), a written exam, and a practical exam. Some Marine Corps units fund the testing; most do not. Pursuing the CWI knowledge base and the exam on personal time or through Tuition Assistance is a career move that pays back whether you stay in or EAS. The Sgt who holds CWI is the Sgt the shop chief trusts with the most critical structural inspections — and the Sgt the civilian market wants when the enlistment ends.
  • Reenlistment for SSgt vs. EAS into the civilian welding/fabrication market
    SRB tier and bonus for 1316 Sgts are published in current MARADMIN messages. The civilian market for qualified structural welders, pipe welders, and CWI holders is strong: union ironworkers (AISC), pipefitters (UA Local), boilermakers, shipyard structural welders (BIW, Ingalls, NASSCO), nuclear fabrication shops, aerospace fabrication (Boeing, Lockheed, SpaceX). The honest math: if the SSgt board is competitive and you love the leadership side of the job, reenlist. If you want the craft to pay at journeyman-to-master rates and you have the AWS credentials, the civilian market is ready. The Marines who landed the strongest post-service careers planned 12-24 months ahead — credentials current, resume built, industry contacts made.
  • Lateral move within the 13xx field vs. staying 1316 for the SNCO career path
    The 1316 MOS has limited senior billets because the community is small. At Sgt you should understand the career pyramid: how many GySgt and MSgt billets exist for 1316 in the Marine Corps. If the pyramid is narrow, the math of staying 1316 vs. lateral-moving to a larger 13xx MOS (1341, 1371, 1361) is a real conversation. A lateral move broadens your engineer experience but takes you off the fabrication bench. Staying 1316 keeps you in the craft but narrows the senior-billet options. Talk to the career planner and to the most senior 1316 you can find — the GySgt or MSgt who has lived the pyramid will give you the honest read.
  • Career Course PME timing — in-residence vs. CDET, and when to schedule relative to the SSgt board
    Career Course (the next-tier PME beyond Sergeants Course) is visible on the SSgt board read. In-residence at a regional SNCO academy is the stronger credential; CDET non-resident works around deployment schedules. The Sgt who has Career Course complete 12-18 months before the SSgt board zone opens is the Sgt who is competitive. Schedule through the platoon sergeant and the company gunny — slot availability compresses as the year-group moves into the zone.

How the Seat Varies by Unit Type

  • Engineer support battalion (1st/2nd/3rd MLG)
    The Sgt section leader in an ESB fabrication shop runs a section of 3-6 Marines within a larger fabrication capability. The work queue is diverse — structural repairs, custom fabrication, equipment modification, support for the full MLG footprint. The mentorship layer includes a SSgt platoon sergeant and a GySgt company gunny who are both 13xx MOS. The career progression opportunities are clearer because the shop is larger and the senior billets are visible.
  • Combat engineer battalion (1st/2nd/3rd MarDiv)
    The Sgt in a CEB fab shop may be the most senior 1316 in the forward operating area. The work is directly tied to tactical operations — combat damage repair, field fabrication of weapons mounts and structural components, and support for the battalion's breaching and construction missions. The OPTEMPO is higher, the mentorship layer is thinner, and the independence is greater. You learn to lead under pressure faster, but the administrative support (supply chain, HAZMAT compliance, equipment maintenance scheduling) may require more personal initiative.
  • III MEF / Okinawa forward-deployed
    Fabrication section leader in the forward-deployed engineer support element. The work includes support for partner-nation exercises across the Indo-Pacific. The shop chief is typically a senior SSgt or GySgt who has run multiple rotations. The career-broadening value of a III MEF tour is visible on the SSgt board — the Marine who served forward-deployed has a different operational perspective than the CONUS-only Marine.
  • MEU fabrication element (afloat)
    Section leader for the deployed fabrication capability on amphibious shipping. The work queue is unpredictable — quiet periods followed by urgent repair demands. The cross-service exposure to Navy Hull Technicians and the ship's machine shop is a genuine skill-building opportunity. The Sgt who manages the afloat fabrication element through a full MEU cycle comes back with operational experience that the SSgt board reads differently than garrison time.
  • MCES instructor billet (Camp Lejeune)
    Teaching the Metal Worker course at MCES. You are the SME who trains the next generation of 1316s. The teaching credential is visible on the board read, and the experience deepens your own understanding of the craft by forcing you to articulate what you know. The cost: you are not in the fleet, and the operational-leadership experience pauses. The benefit: the instructor identifier is a known check at senior boards.

What Good Looks Like at This Rank

The good Sgt Metal Worker runs a shop that produces parts on time, to specification, with clean inspection records and zero quality callbacks. His Cpls are progressing toward welder qualification on additional processes because he is standing behind them at the bench during training blocks, demonstrating the technique, correcting the deficiencies, and signing the T&R task only when the work meets standard. His section's work queue is visible on the shop whiteboard — every job tracked from request to completion, every inspection documented, every delivery confirmed. The platoon commander sends the hardest fabrication jobs to his section because the parts come back right the first time. The company gunny has mentioned his name to the 1stSgt in the context of the next SSgt board — not because the Sgt asked, but because the section's production rate and qualification currency are the cleanest in the company. The HAZMAT program in his section passes the environmental audit without findings. The PPE compliance is consistent — not because the Sgt checks every morning, but because the Marines in the section internalized the standard from watching the Sgt enforce it for 18 months until it became automatic. The compressed gas cylinders are chained and capped. The solvent cabinet is locked. The waste disposal log is current. His FitReps on the Cpls are specific, honest, and defensible. The reporting senior does not have to ask for clarification because the Section A input describes exactly what each Cpl did, how many parts they produced, how many Marines they trained, and what their qualification status is. The Sgt who writes clean FitReps on his Cpls is the Sgt whose reporting senior trusts with harder Marines — and the FitRep the Sgt receives in return reflects that trust.

Preview — The Next Rank

Staff Sergeant (E-6) is the platoon sergeant rank — the senior enlisted Metal Worker in the company. You run the fabrication platoon through your section leaders, coordinate with the company commander and the S-3 on fabrication support tasking, and own the shop's operational readiness from equipment maintenance to welder qualification currency to the HAZMAT program. The shift from Sgt to SSgt is the shift from running a section to running the program. You write FitReps on your Sgts. You manage the platoon's equipment readiness — every welding machine, every generator, every lathe and mill. You are the quality authority the CO calls when a critical structural repair is questioned. You coordinate the platoon's consumable supply through the S-4 and the base supply chain. You run the platoon's environmental compliance program. The promotion to GySgt runs through the centralized SNCO selection board — FitRep-driven, paper-record review. The GySgt board reads your SSgt tour the way the SSgt board read your Sgt tour: specific outcomes, Marines developed, quality maintained, capability delivered. The 1stSgt vs. MSgt fork conversation starts at SSgt — are you a troop leader or an occupational SME? The answer shapes the next 10 years.
FAQ

1316 E5 — Frequently Asked Questions

Q01What does a E5 1316 (Metal Worker) actually do?
You lead the metal worker section in the engineer support company or the fabrication section of the maintenance platoon.
Q02What's the most important thing to know as a E5 1316?
Sergeant 1316 is the fabrication section leader — the NCO who runs the work queue, enforces the quality standard, writes FitReps on the Cpls, and owns the T&R training pipeline for the Metal Workers in the shop.
Q03What does a typical day look like for a E5 1316?
Time-blocked day at the E5 1316 rank tier: 0500 Wake. Phone check for the platoon group chat — overnight issues, recall, liberty incident. PT uniform on, 0530 PT formation. You take accountability for your section, report to the platoon sergeant. Missing Marine is your problem first, 0545-0700 Unit PT. You set the pace for your section — ruck at the front, run at the front. The platoon sergeant watches whether your section holds standard, 0700-0830 Hygiene, chow, change to utilities. Walk the shop before morning formation. Check the work queue status, consumable levels, equipment status.…
Q04What mistakes get E5 1316 soldiers fired or relieved?
Welding every hard job yourself instead of training the Cpls to handle it. Your section has no depth behind you, and the field exercise that requires two fabrication teams running simultaneously exposes the gap the platoon commander did not know existed; NJP / DUI / fraternization — at Sgt in a small MOS community, the read is permanent. The SSgt selection board reads discipline incidents for the career of the Marine, and in a small community the SgtMaj knows by name;…
Q05What career decisions matter most at the E5 1316 rank tier?
B-billet at Sgt — DI duty, recruiter, instructor at MCES vs. staying in the fabrication shop — B-billet (special duty assignment) at Sgt is a career-broadening move that is visible on the SSgt board. Drill Instructor duty at MCRD (Parris Island or San Diego) is ~3 years and the most intense B-billet in the Marine Corps — the DI identifier is a known check at the SSgt and GySgt boards. Recruiter (8411 MOS via Recruiter School) moves you to a small civilian community. MCES instructor keeps you in the fabrication world while building teaching credentials.…
Q06What's next after E5 for a 1316 (Metal Worker) in the Marines?
Staff Sergeant (E-6) is the platoon sergeant rank — the senior enlisted Metal Worker in the company.
Q07What manuals and regulations does a E5 1316 need to know cold?
AWS D1.1 — Structural Welding Code — Steel (your inspection standard and your welder qualification authority).; MCO P11000.12 — Marine Corps Engineer Operations (the employment framework for engineer fabrication support).; NAVMC 3500 (13xx T&R Manual) — Sgt-level individual and collective tasks.

This playbook has no tips yet. Be the first to share what you know.

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