At Nwestco LLC, we don’t just work in the Petroleum and Car Wash Equipment industry—we lead it. For more than 25 years, we’ve set the standard across the Northwest and Rockies by delivering innovation, reliability, and excellence to our customers.
We’re looking for an experienced Fuel Service Technician to join our growing team in Denver, CO. This role is ideal for someone with mechanical, maintenance, or field experience who wants to build a long-term career in petroleum compliance—with structured training and clear advancement.
Compensation is based on experience and ranges from $28.00 to $35.00 an hour.
Benefits: PTO, 401(k), and full benefits package
Key Responsibilities:
Conduct routine inspections, testing, and monitoring of petroleum systems including USTs, ASTs, piping, sensors, and leak detection equipment
Perform monthly, annual, three year and post-repair compliance activities (training provided for entry-level roles).
Inspect and verify proper operation of leak detection, interstitial monitoring, spill containment, and overfill protection systems
Assist with or perform compliance testing such as line/leak testing and ATG functionality checks
Ensure work meets local, state, and federal regulations (EPA, OPS, fire code)
Accurately document inspections, test results, and site compliance records
Work alongside experienced technicians to identify and correct non-compliant conditions
Maintain and care for testing equipment and tools
Participate in safety meetings and follow all hazardous materials, confined space, and spill prevention protocols
What We’re Looking For:
Valid Colorado QST Certification and A/B Operator Certification (preferred or required for senior level)
Experience performing compliance testing or inspections on petroleum systems
Working knowledge of UST/AST regulations and environmental compliance programs
Familiarity with ATGs (Veeder-Root), sensors, sumps, and leak detection systems
Experience with SIR, pressure testing, cathodic protection evaluation, or similar
Prior experience preparing regulatory documentation and compliance reports
Additional experience or certifications related to the petroleum industry is a plus (i.e. Gilbarco, Red jacket, Veeder-Root, etc.)
Training & Career Path
Hands-on training provided during the first month
Company support for ongoing training and certification development
Before You Leap:
Some positions require travel and overnight stays. Travel expenses will be covered by Nwestco, LLC
All job offers are contingent upon successful completion of the following:
Ability to pass pre-employment physical with extensive lifting (up to 75 lb), twisting, pulling, kneeling, and squatting.
Ability to pass pre-employment drug-screening and background check. If the position is classified as safety-sensitive, it requires the applicant to pass a comprehensive drug test, including screening for marijuana, as a condition of employment.
A valid driver's license with a clean driving record over the past 5 years required.
Why Join Nwestco?
When you join our ranks, you're not just getting a job; you're igniting a career with purpose. We're all about diversity, valuing our people, and a culture of relentless excellence. Here’s what’s in it for you:
Competitive compensation that appreciates your experience and potential.
A treasure chest of benefits: 401(k) (with matching!), medical, dental, vision, life insurance, disability coverage, paid sick time, paid vacation, clothing allowance, paid holidays, and more.
Unparalleled opportunities for career growth – your horizon is limitless.
Nwestco, LLC is an equal opportunity employer. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, age, disability, national origin, military service, genetic information, or any other characteristic protected by federal, state, or local laws.
If you meet the qualifications and are excited about this opportunity, we encourage you to apply and take the next step in your career with Nwestco LLC.
To learn more about Nwestco, LLC, please visit our website at www.nwestco.com

Nwestco LLC (Nwestco) is comprised of a variety, yet related, business units ranging from petroleum, car wash, electrical, industrial/commercial, QSR (restaurant POS), aviation/marina fueling, data center/hospital back-up generator systems, EV charging stations, automotive service equipment, and more.
In addition to our business units, we also have a fully equipped installation services that can build, repair, or remodel in the industries we serve.
We also offer Training courses for techs to become certified to perform installations, perform warranty and service work, and install software upgrades for Gilbarco Veeder-Root and Verifone products. Visit www.training.nwestco.com for more details.
For over 20 years we have been dedicated to providing our customers with the best service and competitive prices. Our company was originated in Montana and since has grown to include branch offices in Idaho, Oregon, Wyoming, Washington, California, Colorado and Arkansas with our sales team and service techs covering the distance between our offices. We are geographically situated and able to meet our customers needs.
We are currently hiring Service Techs, Electricians, Installers, Salespeople, Managers throughout our footprint. Please send your resume or reach out to: jobs@nwestco.com