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Sr Specialist, Field Engineer (Mission Systems)

L3Harris

Greenville, TXFull-timeSeen 1w agoSeen in employer's feed today

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At a glance

Compensation
No compensation found
Location
Greenville, TX
Schedule
Full-time
Work Authorization
US work authorization required

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Requirements

Credentials this posting asks for.

Top Secret clearance

Job overview

The Field Engineer / Mission System Maintenance Advisor provides technical support, troubleshooting, repairs, and hands-on instruction to Royal Saudi Air Force personnel supporting ISR mission systems on RE-3A aircraft, ground systems, and training devices. The role works directly with customer technicians to diagnose faults, improve maintenance practices, and build long-term capability. The position is based in Riyadh, Saudi Arabia, and follows a five-day, eight-hour schedule.

Skills & qualifications

RequiredNice to have

Skills

ISR Mission SystemsAircraft MaintenanceMission Systems TroubleshootingElectrical and Electronic DiagramsTest EquipmentTechnical InstructionAircraft Maintenance InstructionCommunicationMicrosoft WordMicrosoft ExcelMicrosoft OutlookSharePointOneNote

Qualifications

Bachelor's or Master's or 10 Years USAF Experience6+ Years USAF Special Systems Experience4+ Years ISR Mission Systems Experience3+ Years Specialized Platform ExperienceSecret Clearance at HireAbility to Obtain Top Secret SCIRelocate to Saudi Arabia Within 90 DaysTop Secret SCI ClearanceMiddle East Work and Living Experience

Full job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

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.

#LI-AH1 #LI-Onsite

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English (https://www.e-verify.gov/sites/default/files/everify/posters/EVerifyParticipationPoster.pdf) or Spanish (https://www.e-verify.gov/sites/default/files/everify/posters/EVerifyParticipationPoster.pdf) . For information regarding your Right To Work, please click here for English (https://www.eeoc.gov/sites/default/files/2022-10/22-088\_EEOC\_KnowYourRights\_10\_20.pdf) or Spanish (https://www.eeoc.gov/sites/default/files/2022-10/22-088\_EEOC\_KnowYourRightsSp\_10\_20.pdf) .

How this job compares

Set against the 2,163 open Field Engineer jobs on Olive Jobs, counted October 29, 2026.

Pay
  • This postingNot listed
  • Texas median$85–105K/yr75 salary ranges
  • Texas median$21–25/hr24 hourly ranges
Openings
Olive Jobs lists 292 open Field Engineer jobs in Texas and 2,163 across the US. 3% of them nationwide are listed as remote or flexible.
Hiring the most in Texas
Experience
This posting asks for at least 4 years of experience; Field Engineer postings that state a minimum ask for 3 years at the median (1,371 postings).
Education
988 of the 2,163 open Field Engineer jobs (46%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on October 29, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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