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Confirmed on the employer's own hiring board on Nov 9, 2026. First seen by Alion on Nov 5, 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: Lead, Mechanical Design Engineering - Aircraft *Sign On Bonus $15,000 - $25,000

Job Code: 47397

Job Location: Waco, TX (Onsite)

Job Schedule: 9/80: Employees work 9 out of every 14 days- totaling 80 hours worked- and have every other Friday off

Job Description:

Mechanical engineers at L3Harris have the opportunity to work on a wide range of design efforts across various aircraft platforms, including both fixed-wing and rotary-wing. They develop designs that span from integrating cutting-edge airborne systems into special mission aircraft to creating specialized aircraft modifications. Engineers use 3D parametric CAD, rapid prototyping, and other advanced tools to design and validate their solutions. They also produce the technical drawings, procedures, and documentation needed to fully define each design. As an L3Harris engineer, you will be engaged in every phase of the product lifecycle-from concept development and detailed design to manufacturing, aircraft installation, and customer support.

The L3Harris organizational structure allows engineers to contribute to a diverse set of projects throughout their careers, taking on increasing levels of responsibility. Combined with our broad business portfolio-spanning fixed-wing and rotary-wing aircraft, state-of-the-art military technologies, luxury head-of-state interiors, and structures ranging from aluminum to composites-engineers have the opportunity to expand their skills and accelerate their career growth at L3Harris’ Modernization and Modifications Group in Waco, TX.

Essential Functions:

  • Design and liaison of aircraft primary and secondary structure utilizing military and commercial design standards, customer specifications and system requirements documents utilizing 3-dimensional CAD.
  • Provide liaison to production and manufacturing for interpretation of engineering design/drawings.
  • Conducting engineering drawing preparation and release within allocated schedule and budget constraints.
  • Generating bids for customer requested change orders and new pursuits.
  • Documenting and reviewing designs with peers, management, and customers.
  • Strong knowledge of mechanical design principles for aircraft structure and components.
  • Strong analytic and communication skills.
  • Ability to work in aircraft and in an aircraft hangar environment. Ability to climb/board and work inside aircraft. Ability to bend, stoop, balance, kneel, crouch, reach, push, pull, grasp. Ability to work in narrow aisles or passageways.
  • Ability to obtain a US Secret security clearance.
  • Willingness and ability to work any shift, weekends, and overtime as required.
  • Willingness and ability to travel as required (<10>

Qualifications:

  • Bachelor’s Degree in Mechanical Engineering or Aeronautical Engineering (or equivalent field) and minimum 9 years prior related experience. Graduate Degree with a minimum of 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience.
  • Minimum 4 years experience with mechanical design principles of aircraft structure and components.
  • Minimum 4 years experience in modifications to aircraft primary and secondary structure.
  • Minimum 7 years experience with the use of 3D CAD programs to create solid models and 2D detail, assembly, and installation drawings.

Preferred Additional Skills:

  • Active US Secret security clearance
  • Mid-level knowledge of 3D CAD tools:
    • Creo Parametric, Siemens NX or equivalent
  • Familiarity with aircraft and military design standards such as:
    • SAE AS50881, MIL-STD-704, MIL-E-7016, SAE ARP4754, MIL-STD-461, MIL-STD-810, MIL-STD-882, MIL-HDBK-516
  • Ability to manage budgets and schedules, serve as a task leader within the team, and mentor junior team members for integration design and liaison.
  • Proficiency in Microsoft Office software applications (Word, Excel).
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