Hull Maintenance Technician

The Navy Hull Maintenance Technician (HT) is the rate that keeps the ship's structure, piping, and fluid systems alive. HTs run shipboard welding, plumbing, sheet metal fabrication, plate work, brazing and soldering, valve maintenance, fire main and CHT (sewage) systems, and any structural repair the hull throws at you. The work is hands-on metal trades on a steel platform that has to fight, float, and survive damage — meaning HTs train and work to a higher standard than most civilian shops will ever see.

The training pipeline runs about 8 weeks of Recruit Training at Recruit Training Command Great Lakes, followed by roughly 10 weeks of HT "A" School at Naval Technical Training Center Great Lakes (under NATTC). A School covers SMAW (stick) welding, MIG and TIG welding, brazing and soldering, plasma cutting, sheet metal layout and fabrication, plate work, pipefitting and threading, valve maintenance, and shipboard plumbing. Some HTs may attend follow-on "C" School for advanced welding qualifications, NDT (non-destructive testing), or specific shipboard system schools depending on command and billet. HTs serve aboard CVNs, surface combatants, amphibious ships, submarines (in limited billets), and at shore installations including Regional Maintenance Centers and shipyards.

Civilian employers value HTs because the work is unmistakable on a resume. Welding, plumbing, sheet metal, plate fabrication, valve work, structural repair — these are skills the federal trades pay-banding system recognizes by series number, and the private shipbuilding and industrial sectors recognize by sight. The depth matters too: a Navy welder operates under shipyard quality standards, hot work safety procedures, and structural certification requirements that translate immediately into NAVFAC, public shipyards, oil refineries, and union halls.

For a wider view of how Navy ratings translate, browse the military-to-civilian career hub. The closest companion rates are DC Damage Controlman (often paired with HTs in shipboard repair lockers) and the MM Machinist's Mate for the engineering-spaces overlap.

BMR has built more than 55,000 resumes across every rate, and HTs land in federal trades faster than almost any other Navy rate we see. The work is unmistakable — welding, structural fabrication, plumbing, brazing, sheet metal, plate work — and federal hiring at NAVFAC, shipyards, and DoD facilities recognizes it on sight. I worked in federal engineering myself after the Navy and saw the demand for cleared welder backgrounds at shipyards and depots up close. — Brad Tachi, Navy Diver veteran & BMR founder

The civilian market for HTs splits into three main lanes: the metal trades (welding, pipefitting, sheet metal, structural fabrication), industrial maintenance and shipbuilding, and energy-sector welding (refineries, pipelines, power plants). The unique thing about HTs versus generic civilian welders is that you've already worked on certified structural systems where errors flooded compartments — that quality discipline is something private shipyards and refineries pay a premium for.

Direct Civilian Career Paths

• Welder / Cutter / Solderer / Brazer — BLS median $48,940 (51-4121.00). Direct fit. Shipyards, fabrication shops, structural welding outfits, and refinery turnaround crews all hire former HTs straight out of A School qualifications. Specialty welders (TIG on stainless, exotic alloys, pipe welding) clear $80K-$110K.
• Pipefitter / Steamfitter — BLS median $61,550 (47-2152.00). Shipboard piping, fire main, and CHT/sewage system experience map directly. Industrial pipefitter roles in refineries, power plants, and shipyards routinely pay $30-$45/hr with overtime.
• Sheet Metal Worker — BLS median $58,780 (47-2211.00). HVAC ducting, custom fabrication, architectural metal — the layout and forming skills from A School plate work translate without retraining.
• Industrial Machinery Mechanic — BLS median $61,170 (49-9041.00). Valve maintenance, system troubleshooting, and shipboard repair of pumps and rotating equipment fits this BLS lane closely.
• Structural Metal Fabricator — BLS median $48,650 (51-2041.00). Shipyards, structural steel shops, and equipment manufacturers hire former HTs into fabricator and assembler roles, often with welder dual-classification.
• Boilermaker — BLS median $73,840 (47-2011.00). Pressure vessels, boilers, and tank fabrication. Strong overlap with shipboard plate work; union boilermaker locals (Boilermakers Local 154, 290, etc.) actively recruit Navy HTs.
• Plumber — BLS median $61,550 (47-2152.00). Residential and commercial plumbing licensure paths exist in every state; HT plumbing time can count toward apprenticeship hours in many jurisdictions.
• Welding Inspector (CWI) — BLS lumps this with construction inspectors at $70,300 (47-4011.00). With AWS Certified Welding Inspector credentialing, HTs move into QA/inspection roles at $80K-$120K, especially in shipbuilding and pipeline.

Geography drives the metal trades hard. The biggest welder demand is in the Gulf Coast (Houston, Beaumont, Lake Charles, Mobile) for refinery and pipeline work, the Pacific Northwest and Mid-Atlantic for naval shipbuilding (Bath, Newport News, Norfolk, Portsmouth NH, Bremerton, San Diego), the Great Lakes for shipbuilding and structural steel, and the Northeast for union boilermaker and pipefitter work. Pay scales vary widely — a non-union welder in inland markets makes $48K, while a union pipefitter in California makes $130K with benefits.

For salary expectations across military trades, read Military to Civilian Salary: What You're Worth. The closest cross-branch career match is Coast Guard MK Machinery Technician, and the Army 12B Combat Engineer page covers structural and demolition-adjacent work that hires from the same applicant pool.

Companies That Actively Recruit HTs

The big naval shipbuilders are the most direct fit because they need exactly the welding, plate, and pipefitting skills you already use shipboard. Defense contractors, federal civilian shipyards, refinery operators, and large engineering and construction firms round out the list. Build your free HT-tailored resume in under 5 minutes — the BMR builder translates SMAW, TIG, plate, and brazing work into private-sector and federal language automatically.

Federal hiring is the strongest lane HTs have, and most veterans don't realize how strong until they actually apply. The Federal Wage System (FWS) trades pay schedule was built for this work — there are dedicated job series for welding, pipefitting, sheet metal, marine machinery, and production machinery, and the four public shipyards (Norfolk Naval Shipyard, Portsmouth Naval Shipyard, Puget Sound Naval Shipyard, Pearl Harbor Naval Shipyard) plus NAVFAC, the Defense Logistics Agency, and DoD installations need exactly this skill set on a continuous basis.

Federal Wage System (FWS) and GS Series Matches

HT skills map across multiple FWS trades series and a few GS supervisory and inspection series. Match strength depends on time-in-rate, school qualifications, and additional duties:

• WG-3703 Welding — Direct fit. Public shipyards and depots staff welder positions almost continuously. SMAW, MIG, TIG, and pipe welding qualifications transfer directly. Typical entry: WG-8 to WG-10, with WG-11 hard journeyman wage.
• WG-4204 Pipefitting — Direct fit. Fire main, CHT, fuel, and steam piping work translates immediately. Strong demand at all four public shipyards, NAVFAC public works, and DLA depots. WG-8 to WG-10 entry.
• WG-3806 Sheet Metal Mechanic — A School plate and sheet metal work plus shipboard fabrication maps cleanly. Public shipyards, DoD facilities, and federal HVAC trades all hire this series. WG-8 to WG-10.
• WG-5334 Marine Machinery Mechanic — Strong fit because of valve maintenance, pump repair, and shipboard system troubleshooting. Naval shipyards specifically rely on this series. WG-9 to WG-11.
• WG-5350 Production Machinery Mechanic — Industrial maintenance fit for HTs with broader machinery experience. DoD ammunition plants, depots, and industrial facilities. WG-8 to WG-10.
• WG-5803 Heavy Mobile Equipment Mechanic — Adjacent fit for HTs with cross-trained vehicle and heavy equipment maintenance experience. Common at NAVFAC public works centers.
• WG-5306 Air Conditioning Equipment Mechanic — HTs with shipboard HVAC system experience can pivot here, especially with EPA 608 certification. Federal facility maintenance hires steadily.
• GS-0019 Safety Technician — Senior HTs with hot work safety, confined space, and damage control experience. Shipyards, DoD installations, NAVFAC. Typical: GS-7 to GS-9.
• GS-0081 Fire Protection and Prevention — Adjacent fit for HTs with significant fire main, CHT, and damage control work. DoD fire departments and federal facility fire protection. GS-7 to GS-9.
• WS-3703 Welding Supervisor / WL-3703 Welding Leader — For senior NCOs (E-6 and above) who supervised shop or repair locker work. Federal supervisory pay grades pay well above journeyman wage rates.

Public Shipyards and NAVFAC

The four public shipyards are not subtle about wanting Navy HTs. Norfolk Naval Shipyard (Portsmouth, VA), Portsmouth Naval Shipyard (Kittery, ME), Puget Sound Naval Shipyard & Intermediate Maintenance Facility (Bremerton, WA), and Pearl Harbor Naval Shipyard & IMF all run continuous welder, pipefitter, sheet metal, and marine machinery hiring. NAVFAC public works centers across every Navy region also hire trades constantly. These positions count federal service from the day you start, are union-represented (Metal Trades Council in most cases), and stack with Veterans' Preference cleanly.

Veterans' Preference for HTs

Most honorably discharged veterans qualify for 5-point preference; disabled veterans qualify for 10-point preference, which moves your application to the top of the cert for WG-9 and below positions and many GS-9 and below positions. Combat-deployed HTs frequently qualify for 10-point preference based on award criteria. The preference is real, but it only applies if your federal resume actually translates your A School qualifications and shipboard work into the keyword vocabulary the rating panels use.

For the federal resume side, use the BMR federal resume builder directly, or read Convert NCOER, OER, or FITREP into Resume Bullets for the eval-to-resume conversion playbook. The Navy EN Engineman page also covers the WG-5334 / WG-5350 series in more depth.

If you're staying in welding, pipefitting, sheet metal, or shipyard trades, your terminology translates directly. Hiring managers at Newport News, Bath Iron Works, Bollinger, refineries, and union locals already know SMAW, TIG, root pass, hot pass, plate prep, and brazing rod numbers. This section is for HTs targeting careers OUTSIDE the metal trades — operations management, project management, manufacturing supervision, safety, and quality assurance roles where the recruiter doesn't pattern-match on rate-specific language.

Military-to-Civilian Language Translation

The HT vocabulary has a lot of jargon that is meaningless outside the metal trades. Civilian recruiters at industrial companies, manufacturing plants, or general operations roles need translated terms:

• Hull Maintenance Technician (HT) → Industrial Welder & Structural Fabrication Specialist
• Shipboard Repair Locker → Industrial Maintenance Response Team
• SMAW / MIG / TIG / Brazing → Stick / Wire-feed / Gas Tungsten Arc Welding (call out by the AWS process names: SMAW, GMAW, GTAW)
• Plate Work / Plate Layout → Structural Steel Fabrication and Assembly
• Hot Work Authorization / Tag-Out → Lockout/Tagout (LOTO) Compliance & Hot Work Permitting
• Damage Control / Repair Party → Emergency Response & Industrial Safety Operations
• CHT / Fire Main / Potable Water Systems → Industrial Plumbing & Process Piping Systems
• Valve Maintenance → Industrial Valve Service and System Isolation
• Shop Foreman / Work Center Supervisor (WCS) → Shop Supervisor / Production Lead
• Quality Assurance Inspector (QAI) / 3M Coordinator → QA Inspector / Maintenance Program Coordinator

Resume Bullet Examples

Before (Military): Performed SMAW, GMAW, and GTAW welding on shipboard structural and piping systems aboard USS XYZ during 8-month deployment.

After (Civilian Industrial Welder): Executed SMAW, MIG, and TIG welding on certified structural and pressure piping systems aboard a forward-deployed naval platform. Held AWS-equivalent qualifications across multiple positions and processes; passed shipyard quality inspection on 100% of welds across 8-month operational period.

Before (Military): Served as Repair Locker 2 Leading Petty Officer responsible for damage control and structural repairs.

After (Civilian Operations Supervisor): Led 8-person industrial maintenance response team responsible for emergency structural repair, system isolation, and damage mitigation across $1.2B asset. Coordinated 24-hour readiness rotation and trained personnel to certified-response standards.

Before (Military): Replaced fire main piping and valves during yard period.

After (Civilian Industrial Pipefitter): Fabricated, installed, and pressure-tested process piping and valve assemblies during 6-month industrial maintenance period. Worked under shipyard quality and safety standards including hot work permitting, LOTO, and confined-space entry procedures.

For the broader translation playbook, read 50 Military Terms Translated to Civilian Language. To skip the manual translation work, the BMR builder handles HT-to-civilian translation automatically.