Heavy-Duty Truck & Hydraulic Systems Technician

Location: Custom Truck One Source (CTOS), 7909 N Upland Dr., Portland, OR 97203Step into a day where your mechanical expertise keeps critical fleets moving. At 7:00 am, you’ll roll up to a bay with a boom truck that needs hydraulic diagnostics. By mid-morning, you’re tracing a multiplexed 12V wiring issue on a utility truck, referencing blueprints and service manuals. After lunch, you’ll fire up Quick Serve and DTNA diagnostic tools to chase down an aftertreatment fault on a diesel unit. You’ll finish the day verifying DOT, ANSI, and dielectric tests, documenting every part and labor entry so the next tech can pick up where you left off.At Custom Truck One Source, we power the nation’s most demanding industries—utilities, telecom, construction, forestry, oil, and rail. Your work keeps their operations safe and on schedule.What you’ll work onHeavy-duty platforms and utility equipment: Boom Trucks/Cranes, Bucket/Dump Trucks, Digger Derricks, Utility Trucks, and more.Hydraulics front-to-back: blueprint reading, hydraulic cylinders and hoses, PTO’s, and installation procedures for truck-mounted systems.Pneumatic tools and systems—troubleshoot, repair, and verify performance.Diesel engines and aftertreatment (DPF/DEF) troubleshooting using Quick Serve, DTNA, and other OEM diagnostic software.12V electrical, including multiplex wiring diagnosis and repair.Dismantling/reassembling heavy equipment with the right tools and torque strategies.Testing mechanical systems to confirm performance to spec.DOT, ANSI, and dielectric testing compliance.Routine maintenance, cleanliness of work areas and vehicles, and adherence to safety protocols (including monthly safety meetings).Clear documentation: parts used, services performed, and labor time for cost tracking.Follow written and verbal installation instructions accurately and consistently.Schedule, Pay & PerksHours: Monday–Friday, 7:00 am – 3:30 pm, with overtime as needed.Compensation: Competitive pay based on experience.Benefits: 401(k) with employer match; health, dental, vision, and life insurance; paid vacation, sick time, and holidays; STD/LTD; Employee Stock Purchase Plan; partner discounts; tuition reimbursement; and ongoing development & training (including STEP).What you bring3+ years of related experience in heavy trucks, utility equipment, or similar.High school diploma or equivalent.Your own professional-grade tool set.Valid driver’s license (CDL is a strong plus).Proficiencies we valueHeavy Equipment RepairDiesel Engine SystemsDiesel & Heavy Equipment SystemsElectrical Systems & Diagnostics (Heavy Equipment)Power Take-Off (PTO) & Auxiliary SystemsAerial & Utility Equipment SystemsDOT & Equipment Inspection ComplianceTools, brands, and platforms you may touchDiesel Engine (Detroit Diesel, Cummins, PACCAR)Diesel Vehicles (Ford)Box Trucks (Ford, Peterbilt, Kenworth, Freightliner, Hino)Crane (Konecranes, Terex, Manitowoc)Boom Truck (Terex, Altec, Elliott, Manitex, National Crane, Load King)Digger Derrick (Terex, Altec, Elliott)Aerial Devices (Terex, Altec, Elliott, Versalift)Boom Crane (Manitowoc, Link-Belt, Grove)Refuse Truck (Heil)Hi-Rail TruckPower Take-Off (PTO)Outrigger SystemsAfter Treatment Systems (DPF, DEF) (Detroit Diesel)Flatbed Truck / Pickup TruckAbout CTOSCustom Truck One Source (CTOS) HQ Kansas City40+ locations USA / Canada | 2,500+ employees | 10,000+ rental trucksA leader in utility truck solutions.LegalCustom Truck One Source is an Equal Opportunity EmployerPlease note that we do not offer sponsorship for work authorization. Only candidates authorized to work in United States without the need for sponsorship will be considered for this position. #J-18808-Ljbffr Torrey Holistics