Tank Technician

Great Western Trailer (GWT) is immediately hiring full-time Tank Technicians to service semi-trailers at our Oklahoma City, OK facility. As a Tank Technician, you will inspect, repair, and maintain tanks in accordance with Department of Transportation (DOT) and ASTM regulations.

Be a part of our team – Apply now! What’s in it for you?

• Weekly Paychecks – Get paid on time, every time.
• Weekday Schedule – Monday-Friday, 8:00 AM – 4:30 PM (No weekends!).
• Comprehensive Benefits Package – Health, dental, vision, and life insurance.
• 401K, Flexible Spending & Health Savings Account options.
• Paid Time Off & Sick Leave – Enjoy work-life balance.
• Employee Perks – Discounts, Employee Assistance Program, and a $400 Benefit Card.

Who We’re Looking For GWT is looking for hardworking individuals who are:

• Quick Learners – Willing to follow instructions, ask questions, and grow their skills.
• Team Players – Punctual, reliable, and respectful, with the ability to work independently.
• Focused & Detail-Oriented – Committed to accuracy, quality, and safety.
• Safety-Minded – Always adheres to company safety policies and procedures.

Tank Technician Responsibilities Inspect, Service & Repair:

• Tanks and trailers to meet FHWA, FMCSA, DOT HM183, and hazmat standards.
• Pneumatic and hydraulic control systems, product pumps, and piping.
• Overfill systems (Scully, Civacon, Flotech, Titan Logix, Garnett).
• Air brake systems, valves, sensors, dome lids, shoes, drums, pads, and rotors.
• Low voltage wiring, harnesses, lights, batteries, and charging systems.
• Chassis, side-shells, caps, doors, retainers, fasteners, floors, and plates.
• Perform preventative maintenance and minor mechanical repairs.
• Troubleshoot electrical and lighting systems; perform sheet metal and paint work.

Installation, Welding & Fabrication

• Install add-on components (toolboxes, pumping systems, ladders, brackets).
• Perform aluminum and steel MIG/TIG welding, including in confined spaces.
• Fabricate hydraulic pump systems and perform wood/metal carpentry.
• Complete wreck repairs and custom fabrication.
• Obtain company weld test certification.

Quality Checks & Reporting

• Complete Mechanic’s Service Reports.
• Prepare FHWA and HM183 testing documentation.
• Maintain clean, organized workspaces and tools.

Required Qualifications

• Minimum 3 years of experience working on or around tank vehicles or pressure vessels. (Candidates without this experience may be considered for Trailer Technician roles instead.)
• Ability to lift/move up to 50 lbs.
• Own a personal set of hand tools (except in California).
• Strong mechanical knowledge of tank and semi-trailer equipment.
• Ability to operate hand, power, pneumatic tools, and welding equipment safely.
• Strong troubleshooting skills and ability to follow service guidelines.

Preferred Qualifications

• 3+ years of tank vehicle service experience.
• Registered Tank Inspector certification.
• Additional certifications such as Tank, ASE, or welding.
• Bilingual (Spanish) is a plus.
• Willingness to work overtime as needed.

Physical Demands & Work Environment

• Frequent standing, walking, kneeling, and lifting (up to 50 lbs.).
• Use of hands and arms for handling tools and materials.
• Work in confined spaces and at heights.
• Exposure to mechanical parts, chemicals, fumes, and varying temperatures.
• Moderate to loud noise levels; potential risk of electrical shock.
• Work may be performed in a shop, yard, or mobile service vehicle.

About Great Western Trailer Great Western Trailer (GWT) is a growing Semi-Trailer Sales, Leasing, Rental, and Service company with 10 locations across 8 states. We operate in Fontana, CA; Albuquerque, NM; Phoenix, AZ; Grants Pass, OR; Dallas, TX; Houston, TX; Dearborn, MI; Salt Lake City, UT; Oklahoma City, OK; and Tulsa, OK—and we’re expanding!

Apply Today! If you're passionate about tank trailer repair and want to grow with a company that values your skills, apply now and join our team in Oklahoma City, OK !

This job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities that are required of the employee. Other duties, responsibilities, and activities may change or be assigned at any time with or without notice.