Sr Specialist, Field Engineer (Mission Systems)
L3HARRIS Technologies
Greenville, TX · Posted October 19, 2026
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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:
Operating and maintaining strategic ISR aircraft and ground systems.
Read and interpret electrical/electronic terminology, symbols, codes, and diagrams/schematics/drawings. Including various types of technical orders (T.O.’s).
Use test equipment to isolate malfunctions and required tools to effect repairs.
Work under extreme weather conditions and assist team members with various tasks when required.
Serves as forms and documentation expert for all components removed and replaced on the aircraft and ground systems.
Responsible for troubleshooting and maintaining all ISR equipment delivered to the end user including aircraft, mission system trainer, and ground operator workstations.
Communicates within the job site and with the PMO to explain and influence changes to practices, processes and approaches.
Makes significant improvements in processes, systems, or products.
Develop local checklists as applicable for assigned duties.
Leading and collaborating in a multi-disciplinary, diverse, and dynamic team environment.
Other duties as assigned by supervision or management.
Qualifications:
Bachelor’s Degree with six (6) years of USAF Special Systems Technician and/or Airborne Mission Systems Specialist Instructor experience.
Master’s Degree with four (4) years of USAF Special Systems Technician and/or Airborne Mission Systems Specialist Instructor experience.
In lieu of a degree, a minimum of 10 years of USAF Special Systems Technician and/or Airborne Mission Systems Specialist Instructor experience.
Must have four (4) years’ ISR mission systems and subsystems experience.
Must be able to relocate to Saudi Arabia within 90 days of accepting assignment.
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.
Secret clearance at the time of hire, with the ability to obtain and maintain a Top-Secret with SCI.
Preferred Additional Skills:
Top Secret/SCI Security Clearance
Experience as an aircraft maintenance instructor.
Experience working and living in the middle east.
Excellent communication skills (written, verbal, & presentation).
Ability to complete tasks unsupervised in a team environment.
Proficient in Microsoft Word, Excel, Outlook, SharePoint, and OneNote.
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