Field Diesel Technician - Utility Trucks, Digger Derricks & Aerials

Job Description Are you the tech who can chase a CAN fault and read a hydraulic schematic?If that sounds like you, Custom Truck One Source (CTOS)—a 30+ year leader with 40+ locations, 2,600 employees, and a 10,000+ unit fleet—wants to meet you. We keep the utility, telecom, rail, and construction sectors moving, and we're looking for a technician who's ready for diverse equipment and meaningful work.What challenges will you solve?Diagnosing, repairing, and maintaining aerial, construction, and light/heavy-duty truck equipment.Handling inspections, troubleshooting, parts replacement, and repairs across rental, customer, and company assets.Could this be your background?Journeyman Technician, Vo-Tech graduate, Veteran, or hands-on mechanic from construction, agriculture, or trucking.Strong mechanical foundation and eagerness to learn.Training on utility equipment is provided for qualified mechanics.What equipment will you touch? Truck chassisFreightliner, Peterbilt, International, Mack, Ford, Chevrolet, RAMCranesLoad King, Terex, Manitowoc, Elliott, NationalApplicationsBoom Trucks, Cranes, Bucket & Dump Trucks, Digger Derricks, Utility & Specialty EquipmentHow will you spend your time?Truck & chassis: Work on medium/heavy-duty diesel platforms; run diagnostics with Cummins Insite, Detroit, Snap-On; complete DOT inspections.Utility equipment: Service aerial/bucket trucks, boom trucks, and digger derricks; verify LMI/LML systems; perform dielectric testing.Hydraulics: Pinpoint leaks, rebuild cylinders, interpret schematics; troubleshoot pumps, booms, outriggers, PTO systems.Electrical: Track down power/ground/CAN issues; read diagrams; meter-based testing; repair batteries, harnesses, ECM/TCM, and more.When and how you'll workMonday–Friday day shift with overtime as needed.Competitive pay based on experience.Benefits include 401(k) with match, medical, PTO, holidays, and sick time.What you bringValid driver's license and a set of mechanic tools.Education from high school trades, Vo-Tech, or diesel programs; military wheeled/track mechanic experience; or on-the-job hands-on training.Strengths we valueDriver's LicenseElectrical Systems Diagnostics & RepairVehicle Electronics & Computer ControlsDiesel Engine SystemsLight Vehicle Diesel EnginesDiesel & Heavy Equipment SystemsHydraulic Systems & ComponentsElectrical Systems & Diagnostics (Heavy Equipment)Equipment Diagnostics & TroubleshootingCrane & Lifting Equipment SystemsAerial & Utility Equipment SystemsDOT & Equipment Inspection ComplianceTech you'll interact withDiesel Engine (Detroit Diesel, Cummins, PACCAR)Diesel Vehicles (Ford)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)Service TruckPower Take-Off (PTO)After Treatment Systems (DPF, DEF)**Custom Truck One Source is an Equal Opportunity Employer.