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Diesel Mechanic / Test Technician / 91B
Diesel Mechanic / Test Technician / 91BMilitary Technical Recruiting • Columbia, SC, US
Diesel Mechanic / Test Technician / 91B

Diesel Mechanic / Test Technician / 91B

Military Technical Recruiting • Columbia, SC, US
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  • [job_card.full_time]
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Job Description

Job Description

About the Company

Our client is a leading independent supplier of diesel fuel injection systems to OEMs and the aftermarket. Their Columbia, SC Research & Development facility tackles complex thermal, mechanical, and hydraulic challenges —driven by robust experimental data and over 100 combined years of materials engineering experience.

This is not an assembly-line job. This is hands-on testing, diagnostics, troubleshooting, and working directly with diesel engines, fuel injection equipment, and advanced mechanical systems.

If you enjoy solving problems, working with engines and components, and being part of an R&D environment, this is an excellent long-term opportunity.

Position Summary

The Test Technician is responsible for testing and evaluating new and existing diesel-related products. This includes running mechanical, hydraulic, and electrical tests; troubleshooting equipment; documenting results; and supporting engineering teams.

They are looking for someone with a strong mechanical background, a customer-focused mindset, and a commitment to continuous improvement.

Day-to-Day Responsibilities

You will work hands-on with mechanical, electrical, diesel, and hydraulic systems. Daily duties include :

  • Perform hot gas testing (turbo, EGR, intake valve systems)
  • Support durability testing on engines and components
  • Assist with vehicle testing
  • Run, maintain, and troubleshoot test equipment and instrumentation

Mechanical systems

  • Hydraulic systems
  • Electrical systems
  • Instrument test parts and conduct instrumented tests
  • Monitor and document long-duration durability tests
  • Evaluate test results, ensure data quality, and communicate findings
  • Maintain a clean, organized, and safety-focused workspace

    • Two Technician Tracks Available

    There are two similar roles under the Test Technician title :

    1. Senior-Level Test Technician

    Ideal for candidates with :

  • Diesel engine experience (vehicle or generator)
  • Fuel injection system knowledge
  • Ability to troubleshoot, repair, test, and validate diesel components

    • Perfect for :

  • Diesel mechanics
  • Generator technicians
  • Heavy equipment mechanics
  • Military 91B / 91 Bravo Wheeled Vehicle Mechanics

    • 2. Mechanical Systems Technician

    Ideal for candidates with :

  • Maintenance experience with mechanical systems
  • Pumps, valves, hydraulics, pneumatics
  • Industrial maintenance or equipment repair backgrounds

    • Perfect for :

  • Mechanical maintenance techs
  • Hydraulics technicians
  • Industrial machinery repair techs

    • Preferred Qualifications

  • 5+ years experience with diesel vehicles, generators, or mechanical systems
  • Testing or laboratory experience (preferred but not required)
  • Strong mechanical background in :

    • Engines & engine electronics

  • Hydraulics
  • Machining
  • Mechanical systems
  • Ability to read and interpret measurements (metric & inch systems)
  • Basic math and mechanical aptitude (threads, fasteners, tolerances, etc.)
  • Good computer skills (Microsoft Office; ability to learn test software)

    • Benefits

    A full competitive benefits package, including :

  • Medical, dental, and vision insurance
  • 401(k) with company match
  • Paid Time Off (vacation & holidays)
  • Life insurance
  • Short- and long-term disability
  • Professional development & company-paid training

    • Why This Role Stands Out

  • Work directly with cutting-edge diesel and fuel injection technology
  • Be part of an experienced, engineering-driven R&D team
  • Hands-on, problem-solving work — not a repetitive shop job
  • Career growth into senior technician, engineering support, or specialized testing roles
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