Step into a day where your expertise keeps essential infrastructure moving. As a mobile field technician with Custom Truck One Source (CTOS), you’ll start from home, roll out in a fully equipped service truck, and tackle complex troubleshooting across the Gulf Coast. CTOS is a 30+ year industry leader with 40+ locations, 2,500+ employees, and a 10,000+ unit fleet serving utility, telecom, rail, and construction customers.
Day in the life Hit the road across Louisiana, Mississippi, East Texas, and Western Alabama to diagnose and repair specialized utility equipment at customer sites.Work hands-on with bucket trucks, digger derricks, cranes, and service trucks—solving mechanical, electrical, diesel, and hydraulic issues.Perform inspections (including DOT) and dielectric testing on rental, customer, and company units.Use your company-issued laptop and credit card to manage work orders, parts, and travel logistics.Expect frequent overnight travel (50%–80%+) with significant assignments along the Gulf Coast in oil, gas, and utility areas. What you’ll handle End-to-end troubleshooting, parts replacement, and field repairs on aerial, construction, and light/heavy-duty truck systems.Preventive maintenance, safety checks, and compliance documentation.Customer communication and coordination with the CTOS team to ensure uptime. Where you’ll thrive Independent problem-solver who enjoys being the expert on-site, yet collaborates well with a broader support team.Comfortable working outdoors and on the move, adapting to varied field conditions. Requirements Valid Driver’s License (required); CDL Class B preferred.Background with utility or heavy equipment such as Caterpillar, John Deere, Komatsu, and medium/heavy-duty trucks.Proven mechanical aptitude and strong field troubleshooting skills. Tools and support from CTOS Company-provided, fully equipped service truck with crane, welder, and compressor.Company computer and credit card to streamline field operations. Schedule and extras On-call rotation shared among 3–4 technicians (Monday–Sunday) with a $250 on-call bonus.Work mix: approximately 70% CTOS rental equipment and 30% third-party customer work. Bring these strengths Heavy equipment repairHydraulic systems expertiseASE Automobile & Light Truck certification testing familiarityDiesel and heavy equipment systems knowledgeElectrical systems and diagnostics (heavy equipment)Aerial and utility equipment systemsCurrent CDL license experienceDOT and equipment inspection compliance Equipment you’ll encounter Diesel Engines: Detroit Diesel, Cummins, PACCARDiesel Vehicles: FordCranes: Konecranes, Terex, ManitowocBoom Trucks: Terex, Altec, Elliott, National Crane, Load King, ManitexDigger Derricks: Terex, Altec, ElliottBoom Cranes: Link-Belt, ManitowocRefuse Trucks and Service Trucks Read LessCustom Truck One Source (CTOS) is a 30+ year industry leader with 40+ locations, 2,600 employees, and a 10,000+ unit fleet serving utility, telecom, rail, and construction markets.
**Hiring Service Technician / Mechanic
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Diagnose, repair, and maintain aerial, construction, and light/heavy-duty truck equipment
Perform inspections, troubleshooting, parts replacement, and repairs on rental, customer, and company units
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**Who We’re Looking For
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All experience levels welcome: Journeyman Techs, Vo-Tech grads, Veterans, and mechanics from construction, ag, or truck backgrounds
Strong mechanical foundation with willingness to learn
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**Equipment & Brands Supported
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**Truck Chassis:
** Freightliner, Peterbilt, International, Mack, Ford, Chevrolet, RAM
**Cranes:
** Load King, Terex, Manitowoc, Elliott, National
**Equipment:
** Boom Trucks, Cranes, Bucket & Dump Trucks, Digger Derricks, Utility & Specialty Equipment
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**Schedule & Benefits
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Monday–Friday (day shift), overtime as needed
Competitive pay (based on experience)
401(k) with match, medical, PTO, holidays, sick time
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**Desired Experience
**(training on utility equipment provided for qualified mechanics)¨NBSP;
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**Truck & Chassis
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Medium/heavy-duty trucks (diesel engines, OEM platforms)
Diagnostic tools (Cummins Insite, Detroit, Snap-On, etc.)
DOT inspections
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**Utility Equipment
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Aerial/bucket trucks, boom trucks, digger derricks
LMI/LML systems, dielectric testing
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**Hydraulics
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Diagnose leaks, repair cylinders, read schematics
Troubleshoot pumps, booms, outriggers, PTO systems
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**Electrical
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Diagnosing faults (power, ground, CAN systems)
Read diagrams, use meters, perform repairs (batteries, harnesses, ECM/TCM, etc.)
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**Education & Background
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High school trades, Vo-Tech, or diesel programs
Military wheeled / track mechanic experience
On-the-job training or hands-on mechanical work
**Licensing & Tools
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Valid driver’s license required
Mechanic tools
**Custom Truck One Source is an Equal Opportunity Employer.
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You should be proficient in:
Driver's License Electrical Systems Diagnostics & RepairVehicle Electronics & Computer Controls Diesel 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 ComplianceMachines & technologies you'll use:
Diesel 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) Read LessCustom Truck One Source (CTOS) is a 30+ year industry leader with 40+ locations, 2,600 employees, and a 10,000+ unit fleet serving utility, telecom, rail, and construction markets.
As a Field Service Mechanic, you’ll be the go-to expert diagnosing and repairing specialized utility trucks and equipment in the field, including bucket trucks, digger derricks, cranes, service trucks, and other utility and construction equipment.
Responsibilities
• Diagnose, repair, and maintain aerial, construction, and light- to heavy-duty truck equipment (bucket trucks, digger derricks, cranes, etc.), travel to customer sites.
• Work on diesel, hydraulic, and electrical systems
• Perform inspections, troubleshooting, parts replacement, and repairs on CTOS rental and customer equipment (including DOT inspections, dielectric testing, etc.)
Required Experience & Skills
• Experience with utility, construction (“yellow iron”), or heavy equipment (CAT, Deere, Komatsu) and medium/heavy-duty trucks
• Ability to work independently and as part of a team
• Self-sufficient, organized, and comfortable working in the field
Travel & Coverage Area
• Remote Road Mechanic most work within 150 miles of Las Vegas
• Overnight Travel approx. 25–50% across NV, UT, AZ, and CA
What’s Provided
• Fully equipped service truck (crane, welder, compressor)
• Competitive pay + overtime
• Full benefits, 401(k) match, PTO, tool program & more
What You Bring
• 7+ years of experience (shop and field)
• Strong mechanical, hydraulic, and electrical skills
• Valid driver’s license required; CDL Class B a plus and personal tools required
Custom Truck One Source is an Equal Opportunity Employer
You should be proficient in:
DOT Medical CardDriver's License Construction Equipment MaintenanceElectrical Systems Diagnostics & RepairDiesel 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 ComplianceMachines & technologies you'll use:
Boom Truck (Altec, Elliott, National Crane, Load King, Terex)Aerial Devices (Terex, Altec, Elliott, Versalift)Boom Crane (Manitowoc, Link-Belt)After Treatment Systems (DPF, DEF) (Cummins, Detroit Diesel, Bosch) Read LessCustom Truck One Source (CTOS) is a 30+ year industry leader with 40+ locations, 2,600 employees, and a 10,000+ unit fleet serving utility, telecom, rail, and construction markets.
As a Field Service Mechanic, you’ll be the go-to expert diagnosing and repairing specialized utility trucks and equipment in the field, including bucket trucks, digger derricks, cranes, service trucks, and other utility and construction equipment.
Responsibilities
• Diagnose, repair, and maintain aerial, construction, and light- to heavy-duty truck equipment (bucket trucks, digger derricks, cranes, etc.), travel to customer sites.
• Work on diesel, hydraulic, and electrical systems
• Perform inspections, troubleshooting, parts replacement, and repairs on CTOS rental and customer equipment (including DOT inspections, dielectric testing, etc.)
Required Experience & Skills
• Experience with utility, construction (“yellow iron”), or heavy equipment (CAT, Deere, Komatsu) and medium/heavy-duty trucks
• Ability to work independently and as part of a team
• Self-sufficient, organized, and comfortable working in the field
Travel & Coverage Area
• Road warrior role covering Louisiana/Mississippi, East Texas, and Western Alabama
• 60 –80% plus overnight travel required
• Frequent work along the Gulf Coast supporting oil, gas, and utility industries
What’s Provided
• Fully equipped service truck (crane, welder, compressor)
• Competitive pay + overtime
• Full benefits, 401(k) match, PTO, tool program & more
What You Bring
• 7+ years of experience (shop and field)
• Strong mechanical, hydraulic, and electrical skills
• Valid driver’s license required; CDL Class B a plus and personal tools required
Custom Truck One Source is an Equal Opportunity Employer
You should be proficient in:
DOT Medical CardDriver's License Construction Equipment MaintenanceHeavy Equipment RepairElectrical SchematicsHydraulics ExperienceVehicle Electronics & Computer Controls Diesel Engine SystemsLight Vehicle Diesel EnginesField Service ReadinessDiesel & Heavy Equipment SystemsHydraulic Systems & ComponentsElectrical Systems & Diagnostics (Heavy Equipment)Equipment Diagnostics & TroubleshootingPower Take-Off (PTO) & Auxiliary SystemsCrane & Lifting Equipment SystemsAerial & Utility Equipment SystemsDOT & Equipment Inspection ComplianceMachines & technologies you'll use:
Diesel Engine (Detroit Diesel, Cummins, PACCAR)Diesel Vehicles (Ford)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 TruckService TruckHi-Rail TruckPower Take-Off (PTO)Load Moment Indicator (LMI)After Treatment Systems (DPF, DEF) Read LessIt’s Monday morning in the Cabot shop. You pick up a work order, load your service truck, and head out to a customer site where a bucket truck needs diagnostics. By mid-morning, you’ve traced a hydraulic issue, sourced parts, and documented your findings on the repair order. After lunch back at the shop, you perform PM service on a digger derrick, knock out an electrical diagnosis on a high rail unit, and close the day reviewing labor and parts so costs are recorded accurately.
Where you’ll make an impact Troubleshoot, repair, and maintain chassis and track-mounted aerials, digger derricks, cranes, high rail units, and other utility equipment in the field and in the shop.Perform PMs and corrective repairs on truck-mounted utility gear: boom and bucket trucks, diggers, dump, service, forestry units, and aerial cranes.Work across diesel, hydraulics, electrical systems, and chassis—using diagnostics to find root causes quickly.Prepare, document, and submit accurate records of parts, service, and labor; route repair orders to your supervisor for approval.Champion safety: follow best practices, and attend CTOS monthly safety meetings.Tackle other duties as assigned to keep our utility fleet mission-ready. Schedule and expectations Full-time, Monday–Friday, day shift.Overtime as needed with limited Saturday work.You must hold a valid driver’s license and provide your own mechanics tools. About Custom Truck One Source (CTOS) CabotCTOS Cabot supports utility and pipeline operators with specialized equipment—Aerial devices, digger derricks, material handlers, pole trailers, and more. Our customers include leading utilities, telecom, construction, forestry, oil, and rail organizations nationwide.
What you bring Hands-on experience with diesel, medium/heavy trucks, or related equipment (construction, farm, military).Solid mechanical aptitude and familiarity with hydraulic and electrical systems.Basic computer skills to document repair activity. Preferred Electrical troubleshooting, reading schematics/blueprints, hydraulic systems, and welding.Exposure to diagnostic tools such as Quick Serve and DTNA.Knowledge of DOT, ANSI, and dielectric testing. Requirements High school diploma or GED.Related shop tech experience.Valid driver’s license and personal tool set. Compensation, benefits, and growthCTOS offers competitive pay based on experience, healthcare, 401K match, Paid time off (25 days), tool discount, STEP Technician training program and more.
401(k) with Employer MatchHealth Care including Dental, Vision, and Life InsurancePaid Vacation, Sick and HolidaysSTD/LTDEmployee Stock Purchase PlanPartner DiscountsInvestment in Employee Development & Training Proficiencies we value Heavy Equipment RepairHydraulics ExperienceAutomotive RepairEngine RepairLight Vehicle Diesel EnginesBusiness-to-Business (B2B)Diesel & Heavy Equipment SystemsElectrical Systems & Diagnostics (Heavy Equipment)Equipment Diagnostics & TroubleshootingCrane & Lifting Equipment SystemsDOT & Equipment Inspection ComplianceElectrical Schematic Reading Equipment you’ll encounter Diesel Engine (Detroit Diesel, Cummins, PACCAR)Diesel Vehicles (Ford)Box Trucks (Peterbilt, Kenworth, Freightliner)Crane (Konecranes, Terex, Manitowoc)Boom Truck (Terex, Altec, Elliott, National Crane, Load King)Digger Derrick (Terex, Altec, Elliott)Boom Crane (Manitowoc, Link-Belt)Tractor-Trailer (Peterbilt, Kenworth, Freightliner, International, Volvo Trucks) LegalCustom Truck One Source is an Equal Opportunity Employer and provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.
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.
Read Less**Custom Truck One Source (CTOS)
** 3205 Davinion Rd., El Reno, OK | 73036
CTOS is hiring Service Technicians to support our vocational and utility equipment.
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**What you’ll work on
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PMs, diagnostics, repair & inspections
Truck-mounted utility equipment: boom & bucket trucks, diggers, dump, service, forestry & aerial cranes
Diesel engines, chassis, hydraulics, electrical & controls
**Schedule
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Monday–Friday, day shift (7:00am start)
Overtime as needed
**What you need
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Experience with aerial, construction, or heavy/light-duty trucks
Valid driver’s license & own mechanic tools
**What we offer
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Competitive pay based on experience + overtime
25 days PTO, healthcare, 401(k) match
STEP Technician training, uniforms, safety boots & glasses, tool discounts
**Duties and Responsibilities
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Assess, diagnose, repair and/or replace damaged or worn parts for variety of manufacturers of utility equipment to ensure quality standards within budget, on a variety of vocational / utility trucks and equipment see[https://www.customtruck.com/
](https://www.customtruck.com/)
Troubleshoot and repair a variety of medium and heavy-duty trucks such as Freightliner, Peterbilt, Ford.
Provide repair and maintenance to diesel engines a strong background in hydraulics and electrical is a plus.
Perform maintenance/emergency repairs on the fuel, brake, electrical and transmission systems.
Assess, diagnose, repair and/or replace damaged or worn parts for variety of manufacturers of utility equipment to ensure quality standards are achieved.
Prepare and maintain accurate records of parts, services and labor to track costs so vehicles can be properly priced and reflect the value of quality offered by the company.
Submit all work/repair orders as required to a supervisor for approval to ensure budgets are maintained and costs of vehicle repairs accurately reflected.
Perform all duties in in accordance with best practices for a safe work environment
Attend monthly safety meetings held by Custom Truck One Source.
Required Skills and Qualifications
High school diploma or the equivalent
Vocational Technical School or Military Wheeled Mechanic or related training a plus
Must hold a valid driver’s license
Must have your own tools
**Benefits
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401(k) with Employer Match
Competitive Health Care
Dental, Vision, and Life Insurance
Paid Vacation, Sick and Holidays
STD/ LTD
Partner Discounts
Investment in Employee Development
**Equal Employment Opportunity Employer
**
Custom Truck One Source provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.
You should be proficient in:
Heavy Equipment RepairLight Vehicle Diesel EnginesDiesel & Heavy Equipment SystemsDOT & Equipment Inspection ComplianceMachines & technologies you'll use:
Diesel EngineAutomotive VehiclesDiesel VehiclesBoom TruckDigger DerrickBoom Crane Read LessCustom Truck One Source (CTOS) 7909 N Upland Dr., Portland, OR 97203
Join Our Team at Custom Truck One Source, we're a leading provider of truck, crane, and heavy equipment services across the USA, catering to the needs of major utilities, telecom, construction, forestry, oil, and rail companies.
Key Details:
Our equipment includes Boom Trucks/Cranes, Bucket/Dump Trucks, Digger Derricks, Utility Trucks, and more.
Hydraulics, reading blueprints, hydraulics cylinders, hoses, PTO’s etc.
Work Hours: Monday to Friday, 7:00 am to 3:30 pm, with overtime as needed.
Pay and Benefits: Competitive pay based on experience, comprehensive benefits including 401(k) with employer match, healthcare plans, paid time off, holidays, and more.
Essential Duties and Responsibilities:
Background in hydraulic fluid power troubleshooting.
Background in pneumatic tool troubleshooting.
Experience troubleshooting diesel equipment and aftertreatment systems.
Experience with Quick Serve, DTNA and other diagnostic software.
Assess, diagnose, and repair a variety of utility equipment from various manufacturers.
Dismantle and reassemble heavy equipment using appropriate tools.
Knowledge of 12V electrical systems including multi-plex wiring.
Basic understanding of truck mounted hydraulic systems and installation procedures.
Test mechanical products and equipment to ensure compliance with specifications.
DOT, ANSI and Dielectric testing.
Perform routine maintenance and cleanliness tasks on equipment and vehicles.
Maintain accurate records of parts, services, and labor for cost tracking.
Adhere to safety protocols and attend monthly safety meetings.
Ability to follow both written and verbal installation instructions.
Skills and Qualifications:
3 plus years of related experience.
High school diploma or equivalent.
Own set of tools required.
Valid driver’s license. (CDL a plus)
Benefits:
Health Care including Dental, Vision, and Life Insurance
401K match
Paid Vacation, Sick and Holidays
STD/LTD
Employee Stock Purchase Plan
Partner Discounts
Investment in Employee Development & Training including https://www.customtruck.com/careers/step
Tuition Reimbursement
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.
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.
You should be proficient in:
Heavy Equipment RepairDiesel Engine SystemsDiesel & Heavy Equipment SystemsElectrical Systems & Diagnostics (Heavy Equipment)Power Take-Off (PTO) & Auxiliary SystemsAerial & Utility Equipment SystemsDOT & Equipment Inspection ComplianceMachines & technologies you'll use:
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 TruckPower Take-Off (PTO)Outrigger SystemsAfter Treatment Systems (DPF, DEF) (Detroit Diesel)Flatbed Truck / Pickup Truck Read LessCustom Truck One Source (CTOS) is hiring at our Union Grove, Wisconsin location!
For more than 30 years, CTOS has been a leader in specialized truck and heavy equipment solutions. With 41 locations, 2,500 employees, 8,000+ customers, and a rental fleet of over 10,000 units, we support the industries that keep North America running — electric utilities, telecom, rail, forestry, and construction.
**Now Hiring – **
Monday – Friday, Day Shift
Shop Service Technicians
Field Service Technicians
Custom Build / Upfit Mechanics
Welders & Fabricators
Equipment Assemblers
We welcome mechanics and technicians from all backgrounds, including:
Journeyman Technicians
Vo-Tech & Trade School Graduates
Veterans (wheeled/track vehicles, aircraft, generators, engineering rates)
Construction & Agricultural Equipment Mechanics
Diesel, Hydraulic, and Electrical Technicians
Equipment & Brands We Support
**Truck Chassis – **
Medium and heavy Duty
**Crane & Equipment Manufacturers - **
Load King, Terex, Manitowoc, Elliott, National Crane
**Equipment Types - **
Boom Trucks, Cranes, Bucket Trucks, Digger Derricks, Utility Trucks , Specialty Equipment
Desired Experience
You do not need every skill listed — CTOS values strong mechanical aptitude and the willingness to learn. We will help build on your experience.
Preferred experience includes:
Truck & chassis repair
Hydraulic systems
Electrical troubleshooting
Welding and fabrication
Preventive maintenance and diagnostics
Education & Background
Tell us how you got started — we value all paths into the trades:
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
Licensing & Tools
Valid driver’s license required
CDL is a plus
Personal mechanic tools preferred, especially for heavy equipment or utility truck repair
Schedule & Benefits
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
Custom Truck One Source is an Equal Opportunity Employer.
You should be proficient in:
ASE Automobile and Light Truck Certification TestsVehicle & Fleet WeldingDiesel & Heavy Equipment SystemsElectrical Systems & Diagnostics (Heavy Equipment)Power Take-Off (PTO) & Auxiliary SystemsCrane & Lifting Equipment SystemsAerial & Utility Equipment SystemsDOT & Equipment Inspection ComplianceMachines & technologies you'll use:
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 TruckHi-Rail TruckPower Take-Off (PTO) Read Less