**Custom Truck One Source (CTOS) 21209 Durand Ave. / Hwy. 11, Union Grove, WI 53182** **Rebuilding America Starts Here!** At **Custom Truck One Source (CTOS)** , we design, assemble, sell, rent, and service trucks, cranes, and other heavy equipment that power our nation's infrastructure. Our clients include leading utilities, telecom, construction, forestry, oil, and rail companies. **We're Hiring** motivated individuals for the following positions: + QC Technicians / Mechanics + Production Equipment Assemblers / Mechanics + Welders / Fabricators **Schedule** + Monday – Friday, 5:00 AM to 1:30 PM (Overtime until 3:30 PM or as needed) **Brands and Equipment:** Load King, TEREX, Manitowoc, Elliott, National Cranes + Boom Trucks / Cranes + Bucket / Dump Trucks + Digger Derricks + Utility Trucks & More **We’re seeking individuals with high mechanical aptitude or vocational training.** + 12-volt electrical wiring experience (trailers, wire harnesses, etc.). + Truck, Auto Mechanics shop related experienced (preferred but not required). + Knowledge of electrical schematics, blueprints, hydraulic systems, and welding. + A desire to learn and grow. **Job Summary:** As part of the **Installation Production Team** , you will be responsible for upfitting and customizing vehicles to CTOS specifications. This includes: + Installing and wiring electrical components for utility trucks, cranes, and related equipment. + Modifying and enhancing vehicles to meet industry-specific needs. **Key Responsibilities:** + Perform electrical and lighting modifications (12V systems). + Work with electrical components such as switches, relays, fuses, and circuit breakers. + Wire electrical systems for various vehicles using schematics. + Build custom wiring harnesses and ensure proper splicing, crimping, and soldering. + Run wiring harnesses along truck frames and between drive axles. + Maintain tools, equipment, and a clean, safe work environment. + Perform additional duties as assigned. **Required Skills:** + High School Diploma or GED. + Valid driver’s license. + Basic computer skills. + Ability to read and follow wiring schematics and written instructions. **Physical Requirements:** + Work in a shop environment and outdoors. + Stand or walk on concrete and uneven surfaces for 8+ hours daily. **Why Choose CTOS?** We’re more than a workplace—we’re a team dedicated to powering America’s infrastructure. Join a company that invests in your growth and success! **Pay & Benefits:** + Competitive pay based on experience. + Overtime opportunities. + Healthcare (Medical, Dental, Vision, Life Insurance). + Paid time off and holidays. + 401(k) with employer match. + Training and career development opportunities. + Uniforms, safety boot, and glasses allowance. **Equal Opportunity Employer** Custom Truck One Source is committed to creating a diverse and inclusive workplace. We prohibit discrimination based on race, color, religion, age, sex, national origin, disability, veteran status, sexual orientation, gender identity, or any other characteristic protected by law. **Note:** We do not sponsor work authorization. Only candidates authorized to work in the U.S. will be considered.