Utility Truck Diesel Diagnostics Specialist

CTOS - Trucks & Equipment

Job Description

Where you’ll work: Custom Truck One Source (CTOS), 7909 N Upland Dr., Portland, OR 97203

Are you the go-to problem-solver for heavy-duty trucks and utility equipment? Do you enjoy cracking tough hydraulic, pneumatic, electrical, and aftertreatment challenges with modern diagnostic software?

Your impact

Troubleshoot hydraulic fluid power issues—cylinders, hoses, PTO’s—and interpret blueprints to execute clean, safe repairs.
Diagnose pneumatic tools and systems for performance, safety, and reliability.
Use Quick Serve, DTNA, and other platforms to pinpoint diesel and aftertreatment faults (DPF/DEF) and validate repairs.
Work through 12V multiplex electrical problems methodically and accurately.
Dismantle and reassemble heavy equipment with precision; test equipment to ensure it meets specifications.
Perform and document DOT, ANSI, and dielectric testing.
Follow written/verbal installation instructions; keep workspaces and equipment clean; participate in monthly safety meetings.
Track parts, services, and labor for complete job-cost records.

Fleet and equipment you’ll service

Boom Trucks/Cranes, Bucket/Dump Trucks, Digger Derricks, Utility Trucks, and related specialty units supporting utilities, telecom, construction, forestry, oil, and rail.

Schedule & Compensation

Monday–Friday, 7:00 am – 3:30 pm; overtime as needed.
Competitive pay commensurate with experience.

Qualifications

3+ years of relevant experience with heavy equipment or utility fleets.
High school diploma or equivalent.
Personal tool set required.
Valid driver’s license; CDL preferred.

Benefits & Growth

Health Care: medical, dental, vision, and life insurance.
401(k) with employer match.
Paid vacation, sick time, and holidays.
STD/LTD coverage.
Employee Stock Purchase Plan.
Partner discounts.
Training & development—including STEP—plus tuition reimbursement.

Proficiency targets

Heavy Equipment Repair
Diesel Engine Systems
Diesel & Heavy Equipment Systems
Electrical Systems & Diagnostics (Heavy Equipment)
Power Take-Off (PTO) & Auxiliary Systems
Aerial & Utility Equipment Systems
DOT & Equipment Inspection Compliance

Tech and brands you’ll encounter

Diesel 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 Truck
Power Take-Off (PTO)
Outrigger Systems
After Treatment Systems (DPF, DEF) (Detroit Diesel)
Flatbed Truck / Pickup Truck

About Custom Truck One Source

Custom Truck One Source (CTOS) HQ Kansas City

40+ locations USA / Canada | 2,500+ employees | 10,000+ rental trucks

A leader in utility truck solutions.

Legal

Custom Truck One Source is an Equal Opportunity Employer

Please 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.

Apply

Vacancy posted 4 days ago

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