Are you a skilled and detailoriented Diesel Equipment Mechanic looking to make an impact on a highvisibility, longterm infrastructure project?
At F.D. Thomas, we play a critical role in supporting essential overnight operations on the Oakland Bay Bridge, and we're seeking an experienced Diesel Equipment Mechanic to help keep our heavy equipment and support vehicles operating safely, reliably, and efficiently in a demanding highrisk environment.
This role is ideal for a mechanic who thrives in fastpaced field conditions, understands preventative maintenance and diagnostics for dieselpowered equipment, and takes pride in keeping missioncritical assets running during complex overnight operations. You will be responsible for inspecting, servicing, troubleshooting, and repairing a wide range of construction and support equipment, ensuring compliance with manufacturer specifications, Caltrans requirements, and sitespecific safety standards. Your work will be essential to maintaining uninterrupted progress on industrial coating and equipmentintensive activities occurring within live traffic corridors.
This position is primarily night shift, with staggered start times designed to align with Bay Area traffic patterns, lane closure windows, and major regional events. Work is performed during lowimpact overnight hours to support safe maintenance and repair activities while minimizing disruption to the traveling public. The typical workweek ranges from 50 to 60 hours, reflecting the critical, aroundtheclock nature of this longterm, 5year bridge infrastructure project.
ABOUT US:
F.D. Thomas, Inc. (FDT) is one of the largest coating and specialty contractors in the United States with offices in California, Oregon, Washington, and the East Coast.
F.D. Thomas, Inc. is headquartered in Central Point, OR. FDT is a wholly owned operating company of ASRC Industrial (AIS). AIS was founded in 2016 by Arctic Slope Regional Corporation (ASRC), an Alaska Native Corporation (ANC) established under the Alaska Native Claims Settlement Act of 1971. As part of an ANC all our operating companies are Minority Business Enterprises (MBE). We help our clients meet their diversity spending objectives while also providing sustainable returns for our nearly 13,500 Iñupiat shareholders.
By hiring Great People, we can provide Great Work to our highly valued customers, as we continue to grow an Extraordinary Company!
WHAT YOU'LL DO:
In this Diesel Equipment Mechanic role, you will support nightly bridge operations by performing onsite inspection, maintenance, and repair of dieselpowered construction equipment and support vehicles critical to ongoing work activities.
You will monitor equipment condition throughout the shift, conduct routine and preventative maintenance, diagnose mechanical and electrical issues, and identify potential failures that could impact operations, worker safety, or project timelines. This role includes servicing engines, hydraulic systems, fuel systems, braking components, and auxiliary equipment, as well as verifying that machinery, tools, generators, and mobile equipment are operating safely and efficiently. You will ensure all maintenance and repair work complies with manufacturer specifications, Caltrans requirements, project standards, and sitespecific safety procedures while supporting industrial coating, heavy equipment, and roadway operations within active traffic corridors.
Key Responsibilities include:
Overnight Equipment Support
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Perform onsite inspections, preventative maintenance (PM), and repairs on dieselpowered construction equipment and support vehicles during nightly bridge operations.
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Prioritize and execute repairs within laneclosure windows to keep work fronts moving and minimize downtime.
DiagnosticsRepairs
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Troubleshoot and repair engines, hydraulic systems, electrical systems, brake systems, fuel/DEF systems, cooling systems, and powertrains.
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Diagnose fault codes with OEM software/scanners, document findings and corrective actions.
Asset ReadinessCompliance
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Verify safe operation of generators, compressors, light plants, pumps, welders, lifts (scissor/boom), forklifts, small tools, and service trucks before deployment.
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Ensure all work complies with manufacturer specs, sitespecific safety plans, and Caltrans/contract requirements.
Preventative Maintenance Program
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Complete PM services (fluids, filters, torque checks, belts/hoses) at prescribed intervals; maintain accurate PM logs.
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Track parts usage and recommend reorder levels, flag recurring failures for reliability improvements.
SafetyWork Controls
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Apply LOTO, hotwork, confined space, and elevated work procedures as required by the task and location.
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Maintain clean, organized, and spillcontrolled work areas; properly handle and dispose of fluids and waste.
Field ReadinessMobility
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Operate a fully outfitted service truck; respond to breakdowns across multiple work zones within the bridge corridor.
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Support equipment moves, refueling, battery service, tire service, and endofshift readiness.
DocumentationCommunication
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Complete digital work orders with cause/correction details, parts, labor, and time stamps.
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Communicate equipment status and risk to supervisors, superintendents, and traffic/safety teams.
ABOUT YOU:
FD Thomas believes our most valuable resource is our family of skilled, loyal, and professional employees. Our formula for success is easy, we believe Great People + Great Work = an Extraordinary Company. We not only look for people who possess the great skill sets and experience in the industry, but people with "can do" attitudes and train them to work to FDT standards. Our company passion and purpose are to leave things better than we found them.
In addition to your passion and purpose to be successful in this Diesel Mechanic role, we would like you to have the following:
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Experience
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3–5+ years handson experience as a Diesel Mechanic/Field Service Tech with heavy construction equipment or mixed fleets.
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Demonstrated ability to diagnose and repair engines, hydraulics, and electrical systems on equipment operating in heavyduty environments.
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Technical Skills
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Proficient with diagnostic tools (multimeter, hydraulic pressure gauges), OEM/aftermarket scan tools, and service literature.
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Able to read schematics (electrical/hydraulic) and follow preventive maintenance schedules.
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Competent with welding/cutting for basic fabrication and field repairs (preferred).
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Safety
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Working knowledge of LOTO, machine guarding, hot work, and hazard communication.
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Ability to apply sitespecific safety protocols in active traffic corridors and industrial work zones.
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Work Conditions
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Willing and able to work primarily night shift with staggered start times; typical 50–60 hours/week.
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Comfortable working outdoors around live traffic, at heights, and in elevated/noisy/lowlight environments with appropriate PPE.
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Licenses
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Valid driver's license and clean driving record (CDL helpful but not required unless you want it).
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Ability to obtain site access credentials and employerprovided trainings (e.g., OSHA10/30 if required by contract).
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Physical
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Lift/pull/push up to ~50–75 lbs., frequent standing/kneeling/climbing, safe use of hand/power tools, and ability to work in awkward positions as needed.
We thank you for your time in learning a little about us here at FD Thomas, as well as the opportunity we have available for someone who is Dependable, People-oriented, and Achievement-oriented.
You will find We offer a competitive wage of $40.00 - $55.00 per hour depending on the combination of experience and/or certification.
EEO Statement:
F.D. Thomas, Inc, affords equal opportunity in employment to all individuals regardless of race, color, religion, sex, sexual orientation, gender identity, age, national origin, pregnancy, familial status, disability status, veteran status, citizenship status, genetic information or any other characteristic protected under Federal, State or Local law. F.D. Thomas, Inc is an Equal Opportunity Employer.
