L3Harris Technologies
Sr Specialist, Field Engineer (Mission Systems)
Job at a glance
- Sector
- Traditional Engineering
- Posted
- October 19, 2026
- First scanned
- October 19, 2026
L3Harris Technologies is hiring a Sr Specialist, Field Engineer (Mission Systems) in Greenville, TX, US. Posted October 19, 2026.
About the job
***Job Title: Sr. Specialist, Field Engineer (*Mission System Maintenance)
Job Code: 46283****
Job Location: Riyadh, Saudi Arabia****
*Job Schedule: ***5/8: Employees work 8 hours per day, 5 days a week (Sun-Thurs)
Job Description:
The Field Engineer / Mission System Maintenance Advisor reports directly to the L3Harris Technologies Site Manager assigned to the Host Country. This position provides technical support, troubleshooting expertise, and hands-on instruction to Royal Saudi Air Force (RSAF) personnel supporting ISR mission systems on the L3Harris-modified RE-3A aircraft, associated ground systems, and training devices. This role is ideal for a maintenance professional with strong technical instincts and a passion for teaching. The selected candidate will work directly with customer technicians to diagnose faults, repair mission systems, improve maintenance practices, and build long-term capability through patient, effective on-the-job instruction.
Essential Functions:
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Operating and maintaining strategic ISR aircraft and ground systems.
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Read and interpret electrical/electronic terminology, symbols, codes, and diagrams/schematics/drawings. Including various types of technical orders (T.O.’s).
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Use test equipment to isolate malfunctions and required tools to effect repairs.
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Work under extreme weather conditions and assist team members with various tasks when required.
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Serves as forms and documentation expert for all components removed and replaced on the aircraft and ground systems.
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Responsible for troubleshooting and maintaining all ISR equipment delivered to the end user including aircraft, mission system trainer, and ground operator workstations.
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Communicates within the job site and with the PMO to explain and influence changes to practices, processes and approaches.
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Makes significant improvements in processes, systems, or products.
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Develop local checklists as applicable for assigned duties.
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Leading and collaborating in a multi-disciplinary, diverse, and dynamic team environment.
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Other duties as assigned by supervision or management.
Qualifications:
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Bachelor’s Degree with six (6) years of USAF Special Systems Technician and/or Airborne Mission Systems Specialist Instructor experience.
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Master’s Degree with four (4) years of USAF Special Systems Technician and/or Airborne Mission Systems Specialist Instructor experience.
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In lieu of a degree, a minimum of 10 years of USAF Special Systems Technician and/or Airborne Mission Systems Specialist Instructor experience.
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Must have four (4) years’ ISR mission systems and subsystems experience.
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Must be able to relocate to Saudi Arabia within 90 days of accepting assignment.
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Must have three (3) years of experience flying on, or maintaining specialized platforms like the E-3, RC-135, and C-32/C40 command Aircraft.
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Secret clearance at the time of hire, with the ability to obtain and maintain a Top-Secret with SCI.
Preferred Additional Skills:
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Top Secret/SCI Security Clearance
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Experience as an aircraft maintenance instructor.
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Experience working and living in the middle east.
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Excellent communication skills (written, verbal, & presentation).
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Ability to complete tasks unsupervised in a team environment.
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Proficient in Microsoft Word, Excel, Outlook, SharePoint, and OneNote.
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