CNG Technician

Freedom AFI; Houston (TX); On-site; USD 52,000 - 78,000; Full time

Job summary

Freedom AFI is seeking an experienced CNG Technician to perform preventative maintenance, troubleshooting, and repairs on CNG compression equipment and related systems. The ideal candidate has strong mechanical aptitude and experience with natural gas compression, and must be able to work safely and independently, including travel and on‑call duties.

The role includes customer interaction, on‑call rotation, and travel as required to support customer needs.

Qualifications

• Valid driver’s license and acceptable MVR.
• Compressor maintenance experience with natural gas systems.
• Experience with high‑pressure gas systems.
• Experience troubleshooting ESD systems.
• Experience troubleshooting low‑voltage electrical systems.
• Strong mechanical aptitude and troubleshooting skills.
• Able to read OEM/OM manuals and follow procedures.
• Ability to work independently and in a team.
• Willingness to participate in on‑call rotation and travel.

Responsibilities

• Perform preventative maintenance on compressors and CNG equipment, including oil/filters and monitoring readings.
• Follow OEM maintenance schedules and inspect components.
• Troubleshoot and repair CNG equipment and related systems.
• Respond to emergency/after‑hours service calls.
• Complete service reports accurately and on time.
• Work in the field with minimal supervision.
• Build strong relationships with customers.
• Travel to Colorado sites and other locations as needed.
• Perform other duties as assigned.

Skills

Compressor maintenance

Natural gas compression systems

High‑pressure gas systems

ESD troubleshooting

Low‑voltage electrical systems

OEM/OM manuals literacy

Independent work

On‑call travel readiness

Computers & service docs

Tools

Electronic service documentation systems

Job description

At Freedom, we’re committed to shaping the future of energy through clean, reliable, and sustainable compressed renewable natural gas (C/RNG) solutions trusted by fleet partners across North America.

As industry leaders in alternative energy, our mission is to empower commercial fleets, municipalities, school districts, industrial operators, and high-volume users through innovative, sustainable energy solutions that drive decarbonization, enhance energy resilience, and support long-term renewable energy strategies.

We believe in building strong partnerships with our customers, treating them as vital collaborators in our shared goal of a cleaner tomorrow. The Freedom platform is supported by a veteran management team with over 100 years of combined industry experience, ensuring that we deliver on our promises with expertise and excellence.

Our culture is everything.

If you’re a purpose-driven, energetic self-starter with a solution-focused, positive mindset, we would like to learn more about you. Join our team today!

Freedom is seeking an experienced CNG Technician to perform preventative maintenance, troubleshooting, and repairs on CNG compression equipment and related systems. The ideal candidate has strong mechanical aptitude, experience with natural gas compression systems, and the ability to work safely and independently. This role includes customer interaction, participation in an on-call rotation, and travel as required.

Roles and Responsibilities

• Perform preventative maintenance on compressors and CNG equipment, including oil and filter changes and monitoring pressure and temperature readings.
• Perform scheduled maintenance in accordance with OEM recommendations, including oil changes and the inspection or replacement of valves, packing, and other components.
• Troubleshoot, diagnose, and repair CNG compression equipment and related systems.
• Respond to emergency and after-hours service calls as required.
• Complete daily service documentation and reports accurately and on time.
• Work independently in the field with minimal supervision.
• Build and maintain positive working relationships with customers.
• Primary On-call Technician for all Colorado sites
• Travel, as required, to support customer and operational needs.
• Perform other duties as assigned.

Required Experience and Qualifications

• Valid driver’s license and an acceptable motor vehicle record (MVR).
• Compressor maintenance experience and knowledge of natural gas compression systems.
• Experience working with high-pressure gas systems.
• Experience troubleshooting emergency shutdown (ESD) systems.
• Experience troubleshooting low-voltage electrical systems.
• Strong mechanical aptitude and troubleshooting skills.
• Ability to read, understand, and follow OEM and O&M manuals.
• Ability to work independently and as part of a team.
• Strong problem-solving skills and a safety-focused approach to work.
• Proficiency with computers and electronic service documentation systems.
• Ability to participate in an on-call rotation and respond to after-hours service calls.
• Ability to travel as required.

Preferred Experience

• Experience with air or gas dehydration systems.
• Experience with control systems.
• Construction or related field experience.
• Additional experience servicing CNG/RNG fueling or compression equipment.

Our Commitment to Safety

We are deeply committed to the health and safety of every employee. Our goal is clear: zero life-altering, life-ending, or life-threatening incidents.

Safety isn’t just a policy—it is part of who we are. Each of us is responsible for protecting ourselves, our teammates, our customers, and our environment. By following our safety procedures, identifying hazards, and staying alert, we can prevent incidents and help keep every job site safe.

At Freedom, innovation drives us—but safety defines us. Together, we are building a safer future.

Freedom is an equal opportunity employer and is committed to building and maintaining a diverse and inclusive workforce. We consider qualified applicants for employment without regard to race, color, religion, sex, national origin, age, disability, veteran status, or any other characteristic protected by applicable federal, state, or local law.

Freedom is committed to providing reasonable accommodations to qualified individuals with disabilities throughout the application and hiring process. Applicants requiring a reasonable accommodation may request assistance during the recruitment process.

This position does not utilize artificial intelligence to screen, assess, and/or select applicants.