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GSE Diesel Mechanic

Job in Chicago, Cook County, Illinois, 60601, USA
Listing for: Aerotek
Full Time position
Listed on 2026-08-06
Job specializations:
  • Trades / Skilled Labor
    Diesel Mechanic, Heavy Equipment Mechanic
Job Description & How to Apply Below

Diesel Mechanic

This role focuses on performing preventative maintenance, diagnosing, and repairing medium-duty trucks with an emphasis on diesel engines, hydraulic systems, and electrical components. You will ensure vehicles operate safely and efficiently by identifying issues early, completing high-quality repairs, and supporting reliable fleet performance in a demanding operational environment.

Responsibilities
  • Perform comprehensive preventative maintenance on medium-duty trucks to minimize downtime and extend equipment life.
  • Diagnose and repair diesel engines, including identifying drivability issues and resolving check engine light concerns.
  • Inspect, repair, and maintain air brake systems to ensure safe and compliant operation.
  • Read and interpret mechanical, electrical, and hydraulic schematics to troubleshoot and repair systems accurately.
  • Work on hydraulic systems, including understanding how they function and performing repairs and adjustments as needed.
  • Diagnose and repair electrical issues on trucks, including wiring diagnostics and component testing.
  • Address check engine lights and other diagnostic alerts using appropriate tools and methods to identify root causes.
  • Document maintenance and repair work clearly and accurately to support maintenance records and compliance requirements.
  • Follow all safety procedures and use proper personal protective equipment (PPE) while performing maintenance and repair tasks.
  • Collaborate with team members and supervisors to prioritize work, support operational needs, and maintain a safe and efficient shop environment.
Essential Skills
  • At least 3 years of hands-on experience working with diesel engines.
  • A minimum of 1 year of experience working with hydraulic systems.
  • Proficiency in performing preventative maintenance on medium-duty trucks.
  • Demonstrated ability to diagnose and repair diesel engines and related components.
  • Experience repairing and maintaining air brake systems.
  • Ability to read and interpret schematics for mechanical, electrical, and hydraulic systems.
  • Strong electrical troubleshooting skills, including wiring diagnostics and resolving electrical faults.
  • Experience diagnosing drivability issues and resolving check engine light concerns.
  • Valid driver's license.
  • Ability to obtain and maintain an airport SIDA badge, including meeting all security and background requirements.
  • Strong attention to detail and commitment to safety in all maintenance and repair activities.
Additional

Skills & Qualifications
  • Experience working on medium-duty trucks in a fleet or similar environment.
  • Familiarity with ground support or similar heavy equipment is beneficial.
  • Ability to work independently with minimal supervision while also contributing effectively to a team.
  • Strong problem-solving skills and the ability to troubleshoot complex mechanical and electrical issues.
  • Good communication skills to report issues, share findings, and coordinate work with colleagues and leadership.
  • Willingness to work a set schedule that includes evenings and weekends as required by operational needs.
Why Work Here?

You will join a stable, growing international organization that values its employees and offers clear opportunities for development and advancement. Decision-making lines are short, allowing you to have a real impact and see the results of your work quickly. The company provides a competitive hourly wage based on experience and a comprehensive benefits package, including medical, vision, and dental insurance; short- and long-term disability coverage;

life insurance; a 401(k) plan available after 30 days; paid time off that increases up to 20 days; paid sick time; and full provision of personal protective equipment (PPE). You will work in an environment that supports professional growth, recognizes your contributions, and invests in your long-term career.

Work Environment

This position follows a fixed schedule from Wednesday to Saturday, 11:30 a.m. to 10:00 p.m., providing a consistent work pattern with extended shifts. You will work in a maintenance and repair environment focused on medium-duty trucks and related systems, including diesel engines, hydraulic systems, air brakes, and electrical…

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