JLG, an Oshkosh company, is seeking a Sr. Field Service Technician to provide professional, onsite service for ground support equipment. This position requires strong technical knowledge in electrical, mechanical, and hydraulic systems for diagnostics and programming. You will work independently, traveling extensively to customer locations across the U.S. and occasionally internationally.
What You'll Do
- Travel to customer sites (approximately 80% travel) to provide hands-on service for a wide variety of ground support equipment.
- Diagnose, repair, and perform routine maintenance on hydraulic systems, including pumps, motors, actuators, and valves.
- Diagnose, repair, and perform routine maintenance on electrical systems, including wiring, fuses, relays, sensors, and control modules.
- Diagnose, repair, and perform routine maintenance on mechanical systems, including suspension, steering, and drive assemblies.
- Interface with PLC systems to upload/download programs, troubleshoot logic, and perform control system adjustments.
- Collaborate with dealer technicians via phone, email, or on-site for troubleshooting assistance.
- Review technical documentation, manuals, and schematics to ensure accurate service procedures.
- Maintain detailed documentation through work order systems and ensure issue resolution and service reporting.
- Participate in OEM testing and equipment upgrades as needed.
- Provide end-user product orientation and safe operating procedures at customer sites.
- Mentor or train junior or less-experienced technicians in-field when required.
What We're Looking For
- High School Diploma or its equivalent.
- Three (3) or more years of relevant experience.
- Ability to travel up to 80%.
- Proficient in electrical diagnostics and repair.
- Proficient in mechanical systems and component-level service.
- Proficient in hydraulic diagnostics and repair.
- Proficiency with Microsoft Office tools.
- Ability to work independently with strong problem-solving skills.
- Strong verbal and written communication skills.
- Must be able to obtain a passport.
Technical Stack
- Hydraulic systems
- Electrical systems
- Mechanical systems
- PLC systems
- Microsoft Office
Work Mode
This role is based in the U.S. and requires extensive travel (up to 80%) to customer locations, with occasional international dispatch.
Oshkosh Corporation is a merit-based Equal Opportunity Employer. Job opportunities are open for application to all qualified individuals and selection decisions are made without regard to race, color, religion, sex, national origin, age, disability, veteran status, or other protected characteristic.

