GSE Diesel Mechanic

Job Title: Diesel Mechanic Job Description 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 components. The role involves hands-on work with tools, diagnostic equipment, and schematics in an operational setting that supports aviation-related ground support activities. Personal protective equipment (PPE) is provided, and adherence to safety standards is expected at all times. The environment requires the ability to obtain and maintain an airport SIDA badge, reflecting work in or around secure airport areas, and involves collaborating with a team of technicians and support staff to keep equipment safe, reliable, and mission-ready. Job Type & Location This is a Permanent position based out of Chicago, IL. Pay and Benefits The pay range for this position is $56000.00 - $70000.00/yr. Workplace Type This is a fully onsite position in Chicago,IL. Application Deadline This position is anticipated to close on Aug 5, 2026. The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records. Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools. #J-18808-Ljbffr Aerotek