Lead Diesel Mechanic

E2 Federal Services, LLC is an affiliate of E2 Consulting Engineers, Inc. (E2), a professional services firm established in 1988 specializing federal base operations and infrastructure support services. At E2, we value safety, innovation and collaboration, and we are dedicated to excellence.

The Lead Diesel Mechanic is responsible for leading the maintenance, inspection, troubleshooting, repair, and overhaul of diesel-powered vehicles, equipment, generators, and support systems utilized in facility operations. This position provides technical leadership to maintenance personnel, ensures equipment reliability and safety, and supports mission-critical operations within a highly regulated industrial and government environment.

• Lead and coordinate daily diesel maintenance and repair activities.
• Perform diagnostics, maintenance, and repairs on diesel engines, generators, heavy equipment, trucks, utility vehicles, and associated systems.
• Troubleshoot and repair fuel, hydraulic, cooling, exhaust, electrical, air brake, and powertrain systems.
• Schedule and oversee preventive and predictive maintenance programs.
• Supervise and mentor mechanics, technicians, and subcontractors.
• Conduct inspections and ensure equipment complies with operational and safety requirements.
• Diagnose equipment failures using computerized diagnostic tools and testing equipment.
• Coordinate equipment repairs to minimize downtime and maintain operational readiness.
• Maintain maintenance records, inspection reports, and work orders in computerized maintenance management systems (CMMS).
• Support equipment commissioning, testing, and startup activities.
• Ensure compliance with environmental regulations governing fuels, oils, lubricants, and hazardous materials.
• Assist with inventory management of parts, tools, and maintenance supplies.
• Coordinate with operations, engineering, and maintenance teams to resolve equipment issues.

• Must be a US Citizen
• High School Diploma or GED.
• Technical training in diesel technology, heavy equipment maintenance, or a related field preferred.
• Minimum 7–10 years of diesel mechanic experience in industrial, government, construction, utility, military, or heavy equipment environments.
• Demonstrated leadership or supervisory experience.
• Strong knowledge of diesel engines, hydraulic systems, fuel systems, electrical systems, and power generation equipment.
• Experience using computerized diagnostic equipment and maintenance software.
• Valid driver's license.

Preferred Qualifications

• ASE Medium/Heavy Truck Certification(s).
• Diesel Technician Certification from a recognized technical institution.
• Experience maintaining standby and emergency diesel generators.
• Experience supporting federal, DOE, industrial, utility, or nuclear facilities.
• Commercial Driver's License (CDL).
• OSHA 30-Hour certification.
• Experience with computerized maintenance management systems (CMMS).

Knowledge, Skills, and Abilities

• Advanced troubleshooting and repair skills for diesel-powered equipment.
• Strong leadership, communication, and team management abilities.
• Ability to read and interpret technical manuals, schematics, and maintenance documentation.
• Knowledge of preventive maintenance programs and equipment reliability practices.
• Ability to prioritize work assignments and manage multiple projects.
• Strong commitment to safety, quality, and environmental compliance.

Desired Certifications

• ASE Medium/Heavy Truck Certifications, CDL, OSHA 30-Hour, EPA Certifications (if applicable), CPR/First Aid, and manufacturer-specific diesel engine training (e.g., Caterpillar, Cummins, Detroit Diesel, John Deere).

E2 Federal Services, LLC offers an excellent benefits package including health, dental, vision, and life insurance, 401(k) with employer match, paid time off.

Work Environment

This job operates in a professional office environment and uses standard office equipment such as computers and phones.

 Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• Ability to sit/ stand for up to 8 hours per day.
• Ability to move freely for up to 8 hours per day.

E2 Federal Services, LLC is a Drug Free Workplace. After accepting an offer of employment, applicants may be required to undergo background checks, drug testing, and/or fit-for-duty physical examination.  Drug screens will include, but not be limited to, Amphetamines, Cocaine Metabolites, Marijuana Metabolites (THC), Opiates, and Phencyclidine (PCP). As a federal contractor, E2 cannot permit employees in certain positions to use medical marijuana, even if prescribed by an authorized physician.

Please no solicitation of any kind from agencies, staffing, or recruiting firms.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.