Field Service Engineer labor category

Field Service Engineer is a government contracting labor category with levels I through IV. GSA ceiling rates run about $78–$175/hr depending on level. That's what the government pays the contractor, not your salary.

Updated Oct 21, 2026 · Data: GSA CALC+

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About this role

What a Field Service Engineer does

On government contracts, this role is often structured into levels based on experience and autonomy. Level I typically focuses on routine maintenance and basic repairs under supervision, requiring a bachelor's degree or equivalent technical experience. Level II and III roles involve managing complex site deployments, diagnosing sophisticated system failures, and acting as the primary technical advisor for government stakeholders. By Level IV, the engineer serves as a senior subject matter expert, overseeing large scale technical operations or global support networks. Your military background in systems maintenance, field support, or technical logistics directly maps to these levels, as you are already accustomed to ensuring operational readiness in demanding environments away from traditional office settings.

What this role does

Typical Field Service Engineer duties

  • Perform onsite installation, configuration, and testing of hardware and software systems to ensure operational performance.
  • Troubleshoot complex technical issues and implement corrective actions to minimize system downtime for end users.
  • Conduct regular preventative maintenance checks and inspections on deployed equipment according to manufacturer specifications.
  • Train government personnel and site staff on the proper operation and basic maintenance of newly deployed technologies.
  • Document all technical support activities, repairs, and system modifications in accordance with contract reporting requirements.
Levels & GSA rates

Field Service Engineer levels, requirements, and GSA CALC+ rates

Levels map to years of relevant experience. A degree can substitute for years (about 2 years per step).

Level I0–3 yrs
Most common education
Bachelors
GSA ceiling, 25th–75th
$78/hr – $115/hr
GSA ceiling, median
$93/hr
Rough salary estimate
$81k–$108k
Level II4–7 yrs
Most common education
Bachelors
GSA ceiling, 25th–75th
$86/hr – $143/hr
GSA ceiling, median
$116/hr
Rough salary estimate
$101k–$135k
Level III8–12 yrs
Most common education
Bachelors
GSA ceiling, 25th–75th
$125/hr – $175/hr
GSA ceiling, median
$157/hr
Rough salary estimate
$136k–$182k
Level IV13+ yrs
Most common education
Bachelors
GSA ceiling, 25th–75th
Not enough data
GSA ceiling, median
Not enough data
Rough salary estimate
—

GSA ceiling rate: what the government pays the contractor, not your salary. It includes overhead, benefits, and profit. Source: GSA CALC+, current contract year, synced Oct 25, 2026, 304 rates.

Common certifications: OSHA 10-Hour General Industry, FAA Airframe and Powerplant (A&P) License, Certified Composite Technician (CCT), Non-Destructive Testing (NDT) Level II, Six Sigma Yellow Belt, OSHA 30-Hour General Industry, Certified Generator Technician, NFPA 70E Electrical Safety

Clearance

Clearance for this labor category

About 8% of Field Service Engineer GSA rates require a clearance. Put your clearance on the very first line of your resume, under your name and contact info. Level and status only. Never list program names, SCI caveats, or classified details. Use the free Clearance Formatter.

Military codes

Military codes that map to Field Service Engineer

2A7X1 Aircraft Structural Maintenance
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3E0X1 Electrical Power Production
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3E1X1 Electrical Systems
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12B Combat Engineer
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0856 Electronics Technician
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GM Gunner's Mate
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IC Interior Communications Electrician
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EM Electrician's Mate
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GSE Gas Turbine System Technician Electrical
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GSM Gas Turbine System Technician Mechanical
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EN Engineman
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HT Hull Technician
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DC Damage Controlman
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MR Machinery Repairman
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MM Machinist's Mate
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AD Aviation Machinist's Mate
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AM Aviation Structural Mechanic
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AE Aviation Electrician's Mate
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2A6X1 Aircraft Electrical and Environmental Systems
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2A5X1 Aircraft Mechanic
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3D1X3 RF Transmission Systems
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3D1X1 Client Systems
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2141 Assault Amphibious Vehicle Repairer
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0621 Field Radio Operator
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91P Artillery Mechanic
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91M Fighting Vehicle Systems Maintainer
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91K Armament Repairer
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91E Metal and Fabrication Worker
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91L Construction Equipment Repairer
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91D Power Generation Equipment Repairer
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91C Utilities Equipment Repairer
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91B Wheeled Vehicle Mechanic
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25P Microwave Systems Operator-Maintainer
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25Q Radio Operator-Maintainer
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25F Network Switching Systems Operator
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25N Nodal Network Systems Operator
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35T Military Intelligence (MI) Systems Maintainer/Integrator
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CTM Cryptologic Technician Maintenance
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ET Electronics Technician
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AT Aviation Electronics Technician
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FC Fire Controlman
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CTT Cryptologic Technician Technical
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25S Satellite Communication Systems Specialist
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Resume bullets

Sample Field Service Engineer resume bullets

Public-safe, quantified examples. Replace the numbers with your own.

  • Deployed to 15 regional sites to manage the installation and integration of a $2M communication hardware upgrade, achieving 100% mission readiness within the projected timeline.
  • Reduced equipment downtime by 25% across a network of 500+ active user terminals by developing a proactive field maintenance schedule and streamlining troubleshooting procedures.
  • Authored and delivered comprehensive technical training manuals to over 50 government end users, resulting in a 40% decrease in help desk support tickets for standard system errors.
Check your level

What level Field Service Engineer are you?

Enter your years, education, certifications, and clearance. Get your likely level, the GSA rate range for that level, and what would move you up.

Highest education
Clearance
Certifications
Likely levelLevel I0–3 yrs · Field Service Engineer

With 0 years of relevant experience and a no degree, your effective experience is about 0 years. Under the common GSA CALC+ rule that a degree step substitutes for roughly 2 years, that maps to Level I. Verify against the specific contract.

Move up · To reach Level II, add about 4 more years of relevant experience, or earn a certification the contract requires (e.g. Security+, PMP) that the contract requires.

GSA 25th
$78/hr
GSA median
$93/hr
GSA 75th
$115/hr
Rough salary est.
$81k–$108k

GSA ceiling rate: what the government pays the contractor, not your salary. It includes overhead, benefits, and profit. Source: GSA CALC+, current contract year, synced Oct 25, 2026, 127 rates.

No account needed. Opens the free translator prefilled with Field Service Engineer. Share link encodes only your selections, no names.

FAQ

Field Service Engineer labor category: quick answers

How does my military maintenance experience translate to civilian levels?

Military experience in field maintenance or systems repair is highly valued and often counts toward the years of experience required for higher level roles. You can typically equate your time as an NCO or technician to Level II or III roles depending on the technical scope of the systems you supported.

Is a security clearance required for all Field Service Engineer roles?

While some roles require a clearance, only about 8% of positions in this category specifically mandate one. Many roles focus on commercial off the shelf technology where a standard background check is sufficient.

How is pay structured for these positions?

Pay is typically structured as an hourly rate based on your labor category level, ranging from approximately $94 per hour at Level I to over $200 per hour for senior Level IV experts. Rates are often determined by the complexity of the systems supported and the geographic location of the deployment.

Do I need a formal engineering degree to apply?

While a bachelor's degree is common, many contractors accept equivalent technical training, certifications, and hands on experience in lieu of a degree. Emphasize your technical certifications and real world repair accomplishments on your resume to remain competitive.

Reviewed by the Good to Go team · Last updated 2026-10-21 · Sources: GSA CALC+, O*NET

More about this roleShow

On government contracts, this role is often structured into levels based on experience and autonomy. Level I typically focuses on routine maintenance and basic repairs under supervision, requiring a bachelor's degree or equivalent technical experience. Level II and III roles involve managing complex site deployments, diagnosing sophisticated system failures, and acting as the primary technical advisor for government stakeholders. By Level IV, the engineer serves as a senior subject matter expert, overseeing large scale technical operations or global support networks. Your military background in systems maintenance, field support, or technical logistics directly maps to these levels, as you are already accustomed to ensuring operational readiness in demanding environments away from traditional office settings.

Each contract defines its own labor categories and levels, so confirm the fit against the posting. Pay figures here are estimates from GSA CALC+ ceiling rates, not a guarantee.

Your next step

Find your Field Service Engineer level

Enter your years, education, certifications, and clearance. Get your likely level and the GSA rate range for it.

Open the Level Calculator
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