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L3Harris Technologies

Sr Specialist, Field Engineer (Mission Systems)

Greenville, TX, US

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.

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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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