Diesel Generator Technician

Aerotek; Indianapolis (IN); On-site; USD 92,000 - 96,000; Full time

Benefits offered by this job

Company vehicle

401(k) match

Profit sharing

Paid time off

Job summary

Aerotek in Indianapolis, IN is seeking a Diesel Generator Technician responsible for preventive maintenance, troubleshooting, and repair of industrial diesel generators, high-voltage systems, and related equipment at critical facilities. You will diagnose mechanical and electrical issues, read schematics, and communicate service needs clearly to clients and internal teams.

This fully onsite role offers strong compensation with overtime and a comprehensive package, plus ongoing training, a

Qualifications

• 5+ years of hands-on diesel generator maintenance and repair experience.
• 3–5 years of high-voltage electrical work with generators.
• Ability to read and interpret electrical schematics and technical diagrams.

Responsibilities

• Perform preventative maintenance on industrial diesel generators, transfer switches, and fire pump engines.
• Diagnose and repair mechanical and electrical issues on generators, engines, and motors.
• Troubleshoot electrical wiring, high-voltage systems, and 3-phase power circuits using schematics.
• Use hand and power tools safely to service and repair equipment.
• Document work performed and communicate findings to clients and internal teams.
• Coordinate daily activities with field service and admin staff to schedule service calls.

Skills

Diesel engine maintenance

High-voltage electrical work

Troubleshooting and repair

Reading electrical schematics

Safety compliance

Field service experience

Job description

Job Title: Diesel Generator Technician

Job Description

This role focuses on performing preventative maintenance, troubleshooting, and repair of industrial diesel generators, transfer switches, and fire pump engines that support critical infrastructure. You will diagnose mechanical and electrical issues, communicate directly with clients and internal teams, and ensure reliable operation of high-voltage power systems in demanding environments.

Responsibilities

• Perform preventative maintenance on industrial diesel generators, transfer switches, and fire pump engines to ensure reliable operation.
• Diagnose and repair mechanical and electrical issues on generators, engines, motors, and associated systems.
• Troubleshoot electrical wiring, high-voltage systems, and 3-phase power circuits using schematics and technical documentation.
• Use hand and power tools safely and effectively to service and repair diesel generators and related equipment.
• Communicate clearly and professionally with clients, chief engineers, and internal teams regarding service needs, findings, and recommendations.
• Coordinate daily activities with the field service team and administrative staff to schedule and complete service calls efficiently.
• Load, unload, and transport heavy tools and equipment, including items weighing up to 130 lbs, while following proper safety procedures.
• Drive and maneuver trailers in varied conditions to transport tools, equipment, and materials to and from job sites.
• Participate in the on-call rotation to respond to emergency, after-hours, and weekend service requests.
• Attend company-paid continuing education and training to maintain and enhance technical skills and industry knowledge.
• Document work performed, including inspections, repairs, and parts used, in an accurate and timely manner.
• Follow all safety protocols and procedures when working around high-voltage diesel generators and critical infrastructure.

Essential Skills

• 5+ years of hands-on diesel experience, including maintenance and repair of diesel engines and generators.
• 3–5 years of high-voltage electrical experience working with generators and related systems.
• Proficiency in generator maintenance, troubleshooting, and repair for industrial applications.
• Strong experience working with engines, motors, and electrical systems in field environments.
• Ability to read and interpret electrical schematics and technical diagrams.
• Skilled in the safe use of hand and power tools for mechanical and electrical work.
• Experience working with diesel generators, electrical wiring, and 3-phase power systems.
• Capability to load, unload, and move equipment weighing up to 130 lbs safely.
• Valid driving skills with the ability to drive and maneuver trailers in varied conditions.
• Calm, first-responder mindset with the ability to remain composed and effective under pressure.
• Mechanical aptitude and a strong desire to work with your hands and solve complex mechanical challenges.
• Commitment to high-quality workmanship and pride in maintaining critical systems that keep businesses operating.

Additional Skills & Qualifications

• Experience working on high-voltage diesel generator systems in critical infrastructure environments such as hospitals, data centers, and casinos.
• Familiarity with transfer switches, fire pump engines, and related power generation equipment.
• Comfort working independently in the field while collaborating closely with field service and administrative teams.
• Strong communication skills for interacting with clients, chief engineers, and internal stakeholders.
• Willingness to participate in an on-call rotation for emergency and after-hours service.
• Interest in ongoing professional development through in-field and classroom training.

Why Work Here?

You join a team that invests heavily in your growth, safety, and long-term success. The role offers a highly competitive total compensation package that includes hourly pay, health and welfare contributions that cover medical, dental, and vision premiums for you and your dependents, and a pension component. You have access to overtime, premium time, and double time opportunities, along with generous paid time off that includes both vacation and holiday hours. Retirement and long-term financial security are supported through a 401(k) match and a profit share bonus after a set tenure. Your development is prioritized through structured training, including 30 days of in-field training and annual classroom sessions. You receive a company vehicle, iPad, laptop, phone, uniforms, and PPE, so you can focus on your work with the tools you need. You work within a supportive culture noted for respect, safety, and growth, backed by strong employee feedback and a team that consistently has your back.

Work Environment

You work primarily around high-voltage diesel generators that support critical infrastructure, including hospitals, data centers, casinos, and other facilities where uninterrupted power is essential. The role is field-based and involves traveling to various customer sites, often in operational and technical environments. You regularly handle and move heavy tools and equipment, and you may need to drive and maneuver trailers to and from job locations. Safety is central to the work, as you operate in environments with high-voltage electrical systems and large rotating machinery. You use a range of technologies and equipment, including diesel generators, transfer switches, fire pump engines, hand and power tools, and digital devices such as a company-provided iPad, laptop, and phone. The position includes an on-call rotation for after-hours and weekend work, providing a mix of standard and emergency response assignments. Uniforms and personal protective equipment are provided and expected to be worn in accordance with safety policies.

Job Type & Location

This is a Permanent position based out of Indianapolis, IN.

Pay and Benefits

The pay range for this position is $91520.00 - $95680.00/yr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Highly Competitive $65 Per Hour + Package

• $44 - $50 Per RT Hour based on experience and credentials
• $10.50 Per RT Hour Health and Welfare (Covers Medical, dental, and vision premiums for you and all your dependents)
• $6.05 Per RT Hour Pension
• Overtime, Premium Time and Double Time available
• 80 Hours Paid Time Off
• 72 Hours Holiday Paid Time Off
• 3% 401(k) Match at 1 Year
• Profit Share Bonus at 5 years
• 30 days of in-field training provided
• 2 days of annual classroom training provided
• Company vehicle, iPad, laptop, phone, uniforms, PPE
• A Team That Has Your Back
• 5-star employee rating on Glassdoor noting a strong culture of respect, safety, and growth

Workplace Type

This is a fully onsite position in Indianapolis,IN.

Application Deadline

This position is anticipated to close on Sep 25, 2026.

About Aerotek

Aerotek® Inc. provides staffing and services solutions in manufacturing, logistics, construction, aviation, facilities and maintenance. We provide the expertise, solutions and people required to rise to the challenges of North American industry. Headquartered in Hanover, Md., Aerotek operates a unified network of over 200 offices across North America, supporting more than 18,000 clients each year. Aerotek is an Allegis Group company, the global leader in workforce and business solutions. To learn more, visit: Aerotek.com | 1-888-AEROTEK.

Aerotek offers weekly pay, employee benefits including medical, dental & vision, life insurance, health advocacy and employee assistance programs, a 401(k) plan, and employee discounts.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance:

Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector:

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI):

We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.