Generator Systems Diagnostic Technician (ATS/Paralleling)

Why this role matters

Critical facilities rely on power that simply cannot fail. In this role, you’ll be the expert who keeps generator systems—from compact 2 kW backup sets to 3 MW industrial units—maintained, tested, and repaired so customers can operate with confidence.

Your impact

• Ensure generator reliability through preventive maintenance, diagnostics, and repair in shop and field environments.
• Execute load bank tests; test, troubleshoot, and repair automatic and static transfer switches; evaluate complete system performance.
• Diagnose diesel and gaseous fuel systems; conduct both minor and major engine repairs.
• Use schematics, service literature, and diagnostic equipment to pinpoint electrical and mechanical faults.
• Source, install, and validate parts; complete repairs to OEM standards and specifications.
• Install full generator packages and supporting peripherals per engineering materials and specifications.
• Work primarily off-site with limited supervision; mentor apprentices and collaborate with peers to meet deadlines and quality expectations.
• Deliver clear, customer-friendly explanations of findings, maintenance needs, and recommended corrective actions.
• Produce accurate, thorough service reports; uphold safety, quality, and company procedures.
• Operate forklifts, mobile cranes, and heavy equipment safely in line with OSHA requirements.
• Participate in after-hours on-call rotations; support irregular schedules including weekends and holidays; travel occasionally with some overnight stays.
• Follow company policies and safety rules; perform other duties as assigned.

Minimum qualifications

• Multiple years in generator service—or equivalent military/technical background (automotive, transportation, commercial electrical, etc.).
• Mechanical and electrical troubleshooting proficiency; experience with diesel and/or gaseous engines.
• Ability to interpret electrical/mechanical drawings and technical documentation.
• Clear written and verbal communication; strong customer interaction skills.
• Self-directed with minimal supervision; high accountability for results.
• Safe, proper use of common hand tools and diagnostic instruments.
• Personal toolkit: multimeter; standard/metric socket and wrench sets; screwdrivers; Allen wrenches; pliers; crimpers; and related tools.
• Accurate documentation and reporting habits.
• Physically able to perform field service work around engines, electrical systems, and heavy machinery.
• Valid driver’s license; ability to travel to customer locations, including occasional overnight trips.
• Willing to work weekends/holidays, irregular hours, and take part in on-call rotation.

Preferred background

• Hands-on with ATS, static transfer switches, and multi-unit paralleling systems.
• Technical/vocational education in electrical, mechanical, automotive, diesel, transportation, or related fields.
• Commercial/residential electrical experience; military mechanical/electrical experience.
• Service exposure across 2 kW–3 MW systems; diesel and gaseous-fueled platforms.
• Experience with load banks, generator testing tools; OSHA-related equipment operation.

Competencies we value

• Advanced diagnostic skills for complex engine/electrical issues.
• Fluency with schematics, manuals, and test equipment.
• Structured problem-solving; strong attention to detail and first-time-right mindset.
• Ability to communicate complex ideas to technical and non-technical audiences.
• Continuous learner who shares knowledge and mentors others.
• Leadership potential—able to guide technicians and apprentices.
• Safety-first approach; able to prioritize and execute efficiently.

Work conditions

• Shop and field environments with frequent travel; occasional overnight stays.
• Work around running engines, energized equipment, heavy machinery, and fuel systems.
• Operate/operate around forklifts, mobile cranes, and other heavy equipment safely.
• Use of hand tools and diagnostic equipment daily; strict adherence to OSHA and company safety practices.

Customer ethos

• Maintain professionalism and a solutions-focused approach.
• Explain equipment condition and maintenance plans clearly.
• Provide accurate technical insights; complete work efficiently with safety and quality at the forefront.

Schedule and travel

• Regular mix of shop and field work; schedule flexes with business and customer demand.
• Some weekends and holidays required; after-hours on-call participation is required.
• Occasional travel out of town, including overnights.

Technical proficiency

• Electrical Schematics
• Diesel Engine Systems
• Standby Generator Installation
• EGSA
• Load banking

Equipment exposure

• 2 kW to 3 MW generator systems
• Diesel generators
• Electrical generators