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Field Service Mechanic (Utility Trucks, Diesel, Cranes) Humble, TX


Job Location:

Humble, TX - USA

Monthly Salary: Not provided by the employer
Posted: 10 July 2026 (30+ days ago)
Application Deadline: 14 October 2026
Vacancies: 1 Vacancy

Job Summary

ATTENTION MILITARY AFFILIATED JOB SEEKERS- Our organization works with partner companies to source qualified talent for their open roles. The following position is available toVeterans Transitioning Military National Guard and Reserve Members Military Spouses Wounded Warriors and their Caregivers. If you have the required skill set education requirements and experience please click the submit button and follow the next steps.
Unless specifically stated otherwise this role isOn-Site at the location detailed in the job post.


Custom Truck One Source (CTOS) 18725 McKay Drive Humble TX 77338

30 year industry leader with 40 locations 2500 employees and a 10000 unit fleet supporting utility telecom rail construction industries and more.

We are hiring a Field Service Mechanic. CTOS supplies a fully equipped utility truck including a crane welder and compressor. Qualified candidates must have tools a valid drivers license a good driving record and be willing to work overtime and travel as needed.

Serve as the field expert diagnosing and repairing specialized utility equipment
Work on bucket trucks digger derricks cranes service trucks and related equipment
Diagnose repair and maintain aerial construction and light/heavy-duty truck systems
Perform inspections troubleshooting parts replacement and repairs on rental customer and company units.
Summary:

Primary responsibility is to perform vehicle troubleshooting repair and maintenance work on chassis and track mounted aerials digger derricks cranes high rail and other equipment in accordance with dealer and factory standards in the field.

Essential Duties and Responsibilities:

Reports to Service Manager who will provide brief description of issues and supporting information related to the vehicle.
Read and interpret equipment manuals and repair orders/instructions to perform required maintenance and service. (Must have the ability to utilize laptop etc. to be able to access needed information and perform diagnostic tests.)
Performs work as outlined in work instructions set forth by Service Manager; efficiently accurately and in accordance with Custom Truck One Source standards.
Diagnosis and repair LMI Diagnostics (Load Moment Indicator) and CAN bus (Controller Area Network)
Experience troubleshooting and repair of Utility trucks & Equipment including electrical and hydraulics.
Inspects and services vehicles and makes repairs and adjustments both at the service center and in the field.
Verify work performed road test vehicles as necessary.
Prepare inspection reports repair orders (recording service time and parts costs) and timecards completely and accurately.
Tag all warranty and core parts for return.
Advises management immediately if additional work is needed if work outlined is not needed or if repairs cannot be completed within the time promised.
Attends CTOS safety training and follows all safety requirements.
Attends CTOS and factory -sponsored training classes.
Understand and follow federal state and local regulations such as those governing the disposal of hazardous wastes.
Communicate easily with customers and internal departments to ensure minimal equipment downtime.
Flexibility to travel beyond the area of coverage based on business need.
Work closely with Service Manager to grow and improve customer satisfaction.
Additional duties or responsibilities as designated by the Service Manager.
Preferred Skills:

Electrical schematic / blueprints hydraulic welding and related experience
Experience with Quick Serve DTNA or related diagnostic software.
DOT ANSI and Dielectric testing desired

Additional Qualifications/Responsibilities
Requirements:

High School diploma or GED.
Five years of related experience. (Shop Tech and Field Tech)
Must hold a valid drivers license. (CDL Class B preferred.)
Must have your own tools.
Proficient in documentation using software meeting deadlines and schedules.
Mental/Physical Requirements:

Ability to regularly work in outside weather conditions including wet and/or humid conditions. The employee is occasionally exposed to extreme cold and extreme heat. The noise level in the work environment is usually moderate to loud.
Positive attitude professionalism Punctual attendance.
Physical capability for lifting carrying pushing and pulling.
The ability to bend stoop and lift up to 50 lbs.
Comfort with heights and manual labor.
Manual dexterity for operating tools and equipment.
Benefits:

401(k) with Employer Match
Competitive Health Care including Dental Vision and Life Insurance
Company paid health and wellness programs
Paid Vacation Sick and Holidays
STD/LTD
Partner Discounts (Tool Discount Programs)
Investment in Employee Development

About Company

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VetJobs & Military Spouse Jobs works with our employer partners to source, screen, and move qualified talent to the desktops of the Hiring Managers. Application is a two-step process, so please be patient with the team. When you submit to a position on our site your information will ... View more

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