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Job Description

We’re hiring an experienced diagnostics‑heavy diesel technician to support fleet customers (larger trucks; primarily diesel) through mobile service. You’ll be supplied a company service truck outfitted with specialty tools and will perform on‑site diagnostics, light repairs, and basic services. The role is focused on independently troubleshooting drivability and diesel systems on Class 3–6 fleet vehicles (e.g., gas box trucks, Ford F‑450 chassis on diesel, HVAC service vans) and coordinating with shop/field techs when deeper repairs are needed.

Key Responsibilities

Perform advanced on‑site diagnostics on diesel engines, fuel systems, emission controls (DPF/DEF/EGR), and related electrical systems for larger fleet trucks.

Execute light repairs and basic services (filters, fluids, belts/hoses, batteries, brakes), and document findings with clear repair recommendations.

Use OEM/aftermarket scan tools and multimeters to rapidly identify root causes; create concise estimates for labor/parts.

Coordinate with shop or partner technicians when major repairs are required; occasionally work with another tech on complex jobs, but mostly operate solo in the field.

Communicate professionally with customers across rental, vending, and HVAC service fleets; maintain strong relationships through timely, high‑quality work.

Ensure safety/compliance (vehicle, tools, PPE) and maintain accurate service records.

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to [email protected] learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.

Skills and Requirements

5+ years of hands‑on diesel diagnostics experience on fleet trucks (Class 3–6); strong electrical troubleshooting.

Proven mobile/field service experience; able to work independently in customer environments.

Own professional tool set (company provides specialty tools in the service truck).

Valid driver’s license; must meet company MVR standards (e.g., no DUI within the past 5 years).

Clear written/verbal communication; customer‑service mindset.