Home / Federal careers / WG-4255
Fuel Distribution Systems Mechanic
Federal Wage Grade position maintaining and repairing fuel distribution piping systems, pumps, valves, and storage tanks at military fuel depots, federal facilities, and government installations.
What WG-4255 pays
Federal Wage System pay is set by local prevailing wage surveys, so it moves with the wage area rather than a national table.
Wage Grade rates are published per wage area rather than nationally, so the number that matters is the one for the installation you are applying to.
Source: DoD Civilian Personnel Advisory Service wage schedules.
Qualification requirements
OPM's standard for WG-4255, as written.
The qualification standard for this series is not loaded yet.
What this means if you served
- Write the duties, not the billet. OPM credits military experience on the work performed, and does not use rank or pay to judge specialized experience.
- Put the training and certifications you earned in service on the page. They count here.
- Claim your veterans preference on the application. It is not applied for you.
- No positive education requirement here, so qualifying experience can stand in for the education.
How to qualify for WG-4255
1Review Trade/Craft Requirements
WG positions require demonstrated skill in a specific trade or craft. Review the job announcement for required certifications, licenses, and hands-on experience.
2Document Your Experience
WG positions are experience-based, not grade-based. Document your years of hands-on trade experience, apprenticeships completed, and journeyman status if applicable.
3Gather Credentials
Collect your DD-214, trade certifications (welding, electrical, HVAC, etc.), apprenticeship completion certificates, and any specialized licenses required for your trade.
4Build Your Federal Resume
Two pages, the same USAJOBS limit that has applied since 27 September 2025. Lead with hands-on trade experience: the tools and equipment you ran, safety training, the projects you finished, and hours worked per week.
5Apply on USAJOBS
Search for WG positions in your trade specialty, carefully answer assessment questions about your skill level and experience, and submit before the closing date.
Military jobs that map to this series
Water and Fuel Systems Maintenance
WG-4255 Fuel Distribution System Mechanic aligns with your hydrant, bulk-storage, and fuel-line maintenance experience on the flightline.
Skills that carry over: Fuel system maintenance, Pump and valve repair, Storage tank operations, Leak detection.
Usually opens at: WG-8, WG-9, WG-10.
Your record can qualify you even when your code is not on this list. The crosswalk is a starting point, not the gate.
Typical duties
- Perform skilled trade work in accordance with established standards, specifications, and safety procedures
- Operate, maintain, and repair trade-specific equipment, tools, and machinery
- Read and interpret blueprints, technical manuals, work orders, and specifications
- Inspect completed work for quality, accuracy, and compliance with requirements
- Maintain tools, equipment, and work areas in clean, safe, and operational condition
- Document work performed including time, materials used, and completion status
- Coordinate with supervisors and other trades on project requirements and schedules
- Follow all safety protocols including proper use of PPE and hazardous material handling
- Train and assist lower-grade workers in trade techniques and procedures
- Requisition materials, parts, and supplies needed to complete assigned work
Key competencies
Technical Knowledge
Understanding of trade-specific tools, equipment, materials, and techniques required for the position
Manual Dexterity
Physical coordination and skill in using hands and tools to perform precise work
Safety Awareness
Knowledge of workplace safety procedures, OSHA standards, and proper use of personal protective equipment
Problem Solving
Ability to diagnose issues, troubleshoot problems, and determine effective repair solutions
Quality Control
Attention to detail ensuring work meets specifications, standards, and quality requirements
Blueprint Reading
Ability to read and interpret technical drawings, schematics, diagrams, and work orders
Equipment Operation
Proficiency in operating trade-specific machinery, power tools, and specialized equipment
Maintenance Procedures
Knowledge of preventive maintenance, inspection protocols, and equipment care
Communication
Ability to communicate effectively with supervisors, coworkers, and customers about work status
Adaptability
Flexibility to work in various conditions and adjust to changing priorities and assignments
Words the announcement will use
Use the ones your record actually supports. A rater is matching your experience against the specialized experience statement, and a keyword with nothing behind it does not survive that.
Questions about WG-4255
What is a Fuel Distribution Systems Mechanic?
A Fuel Distribution Systems Mechanic (WG-4255) maintains and repairs fuel distribution piping systems, pumps, valves, and storage tanks at military fuel depots, airfields, and federal installations. They ensure reliable fuel supply for aircraft, vehicles, and heating systems.
How much does a federal Fuel Distribution Systems Mechanic make?
WG-4255 positions are paid under the Federal Wage System based on local prevailing rates. Journeyman wages (WG-10/11) typically range $28-$42 per hour depending on locality. Annual earnings range $58,000-$87,000. Aviation fuel specialists may earn premium rates.
What are the requirements for WG-4255 positions?
WG-4255 requires knowledge of fuel distribution systems. Qualifications include pump repair, valve maintenance, tank inspection, pipeline operations, and understanding of fuel handling safety procedures including fire prevention and environmental protection.
Can military experience substitute for education in WG-4255?
Absolutely. Military petroleum experience directly qualifies. Army 92F (Petroleum Supply Specialist), Air Force 2F0X1 (Fuels), Navy aviation fuels ratings, and any MOS involving bulk fuel operations provide exactly the experience needed for WG-4255 positions.
What is the career progression for Fuel Distribution Systems Mechanic?
Fuel Distribution Systems Mechanics progress to journeyman (WG-10/11) and lead positions. Career paths include petroleum operations management, transition to GS petroleum engineering technician, or broader facilities maintenance roles at fuel-dependent installations.
How do I apply for WG-4255 jobs on USAJOBS?
Search USAJOBS for 'Fuel Distribution' or 'Petroleum' or series '4255.' Positions exist at airfields, depots, and fuel storage facilities. Highlight your fuel handling experience, safety training, and system maintenance skills. Veterans receive preference.
Ready to apply for WG-4255?
A rater matches your record against the announcement's specialized experience statement, inside two pages. BMR writes that shape from your own experience: competency headers, real scope, hours per week, and the supervisor detail the rater checks.