Hydraulic & Electrical Systems Mechanic -- Aerial Devices and Digger Derricks

Can you keep mission-critical utility equipment moving?

If you enjoy solving tough hydraulic and electrical problems, fabricating clean solutions, and taking pride in safe, quality work — we want to meet you at our Union Grove, WI location.

What roles are open?

• Shop Service Technicians
• Field Service Technicians
• Custom Build / Upfit Mechanics
• Welders & Fabricators
• Equipment Assemblers

Which industries will you support?

Electric utilities, telecom, rail, forestry, and construction — the sectors that keep North America running.

Do you recognize these platforms and brands?

Chassis: Medium and heavy duty

Manufacturers: Load King, Terex, Manitowoc, Elliott, National Crane

Equipment: Boom Trucks, Cranes, Bucket Trucks, Digger Derricks, Utility Trucks, Specialty Equipment

Is your background one of these (or something similar)?

• Journeyman Technicians
• Vo-Tech & Trade School Graduates
• Veterans (wheeled/track vehicles, aircraft, generators, engineering rates)
• Construction & Agricultural Equipment Mechanics
• Diesel, Hydraulic, and Electrical Technicians

Hands-on strengths we appreciate

You don’t need every skill. Bring your mechanical aptitude and curiosity — we’ll invest in your growth.

• Truck & chassis repair
• Hydraulic systems
• Electrical troubleshooting
• Welding and fabrication
• Preventive maintenance and diagnostics

How did you learn the trade?

• High school auto, welding, construction, or shop programs
• Vo-Tech or trade school training
• Military mechanical training and experience
• On-the-job mechanical experience
• Personal projects, racing, farm, or hobby mechanic work

What credentials and tools do you bring?

• Valid driver’s license required
• CDL is a plus
• Personal mechanic tools preferred, especially for heavy equipment or utility truck repair

What’s the schedule and what do you get?

• Monday–Friday schedule
• Most shifts start between 5:00–6:00 AM
• Competitive pay based on experience
• 401(k) with company match
• Medical, dental, and vision insurance
• Paid vacation, holidays, and sick time
• Ongoing training and career advancement opportunities
• Uniforms and safety gear allowance

Proficiency checklist

• ASE Automobile and Light Truck Certification Tests
• Vehicle & Fleet Welding
• Diesel & Heavy Equipment Systems
• Electrical Systems & Diagnostics (Heavy Equipment)
• Power Take-Off (PTO) & Auxiliary Systems
• Crane & Lifting Equipment Systems
• Aerial & Utility Equipment Systems
• DOT & Equipment Inspection Compliance

Fleet & platforms you’ll touch

• Diesel Engine (Detroit Diesel, Cummins, PACCAR)
• Automotive Vehicles (Ford)
• Diesel Vehicles (Ford)
• Box Trucks (Ford, Peterbilt, Kenworth, Freightliner, Isuzu, Hino)
• Crane (Konecranes, Terex, Manitowoc)
• Boom Truck (Terex, Altec, Elliott, National Crane, Load King)
• Digger Derrick (Terex, Altec, Elliott)
• Aerial Devices (Terex, Altec, Elliott, Versalift)
• Boom Crane (Manitowoc, Link-Belt)
• Tractor-Trailer (Peterbilt, Kenworth, Freightliner, International, Volvo Trucks, Western Star)
• Refuse Truck (Heil)
• Service Truck
• Hi-Rail Truck
• Power Take-Off (PTO)

About Custom Truck One Source (CTOS)

For 30+ years, CTOS has led specialized truck and heavy equipment solutions. With 41 locations, 2,500 employees, 8,000+ customers, and a rental fleet of 10,000+ units, we deliver the gear and expertise that keep essential services online.

Work Location: Union Grove, Wisconsin

Legal

Inserted verbatim:

Custom Truck One Source is an Equal Opportunity Employer.