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Salary
≈ $87k – $164k per year (Estimated)
Location
In office (Greenville)
Seniority
Senior · 6+ years exp
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H-1B filings in 12 months: 5

Confirmed on the employer's own hiring board on Oct 18, 2026. First seen by Alion on Oct 16, 2026. L3Harris Technologies scores A on the Alion truth index.

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L3Harris Technologies is an American defense contractor formed in 2019 by the merger of L3 Technologies and Harris Corporation. It builds tactical radios and military communication systems, electronic warfare and intelligence, surveillance and reconnaissance equipment, space sensors and satellites, night vision devices, and uncrewed surface vessels, and owns the rocket engine maker Aerojet Rocketdyne. Its main customers are the United States Department of Defense and allied governments. The company is headquartered in Melbourne, Florida, United States.

Job Title: Senior Associate, Mechanical Engineer

Job Code: 46153

Job Location: Greenville, Texas

Job Schedule: 9/80 Regular: Off every other Friday, 1st Shift

Job Description:

Participates in the development of models and drawings for detail parts, assemblies, and installations for aircraft structures to support the replacement of obsolete parts found during aircraft maintenance, modification and repair. The engineer applies engineering design and/or analytical theory with understanding of structural analysis to integrated system design while maintaining awareness of program considerations. Designs will be accomplished using world-class, three-dimensional solid modeling CAD tools. The liaison/sustainment engineering role includes support in the transition from engineering design to manufacturing, assembly and aircraft installation of designed products. This position also includes application of principles supporting aircraft life cycle maintenance (repair, rework and designing replacement parts). This position requires personal interaction with many diverse organizations (aircraft mechanics, manufacturing, program management, customer representatives and other engineering disciplines).

Essential Functions:

  • Modeling and drafting of detail parts, assemblies, and installations for aircraft structures using CAD.
  • Must be able to lead a team of engineers on occasion and teach less experienced engineers working engineering drawings that have direct impact on operational milestones.
  • Must be able to manage multiple priorities with general supervision.
  • Must be able to develop and maintain strong and credible relationships with long-term customers (both internal and external). Successful candidate will have demonstrated performance in this area.
  • Must be able to walk to and from the flight line, work in aircraft hangar environment, board/exit aircraft, to include accessing and maneuvering in restricted/limited spaces such as aircraft wing and body fuel tanks, and walking on wings and fuselage (with appropriate safety gear).
  • Willing to travel (<10>
  • Overtime and some off-shift work may be required.
  • Able to obtain and maintain a DoD Secret Clearance

Qualifications:

  • Bachelor or Master of Science in Aerospace Engineering, Mechanical Engineering, Industrial Engineering or related engineering field (to include Engineering Technology). Minimum of 2 years of prior related experience. In lieu of a degree, minimum of 6 years of prior related experience.
  • Minimum two (2) years aircraft design related experience or an equivalent combination of education and experience.

Preferred Additional Skills:

  • Previous Material Review Board experience and certification are highly desired.
  • Understanding of basic aircraft systems.
  • Demonstrated mechanical aptitude
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