Tank Technician

Great Western Leasing & Sales, Inc.; Oklahoma City (OK); Hybrid; USD 42,000 - 54,000; Full time

Benefits offered by this job

Weekly pay

Benefits package

401(k)

Paid time off & sick leave

Benefit card

Job summary

Great Western Trailer seeks a full-time Tank Technician in Oklahoma City, OK. You will inspect, repair, and maintain tanks in compliance with DOT and ASTM regulations, servicing semi-trailers at our facility.

The role emphasizes safety, accuracy, and hands-on maintenance, with opportunities to perform welding, wiring, and system installations as part of preventative upkeep and repairs.

Qualifications

• Minimum 3 years of experience working on or around tank vehicles or pressure vessels.
• Ability to lift/move up to 50 lbs.
• Own a personal set of hand tools.
• 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.

Responsibilities

• Perform preventative maintenance and minor mechanical repairs.
• Troubleshoot electrical and lighting systems; perform sheet metal and paint work.
• Install add-on components (toolboxes, pumping systems, ladders, brackets).
• Perform aluminum and steel MIG/TIG welding, including in confined spaces.

Skills

Tank vehicle experience

Mechanical knowledge

Troubleshooting

Safety conscious

Tools

Welding equipment

Job description

Career Opportunities with Great Western Trailer

Are you ready for new challenges and new opportunities?

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.

What’s in it for you?

• Weekly Paychecks – Get paid on time, every time.
• 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

• 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.
• 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.
• 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!

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.