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Senior Specialist, Mechanical Engineering TSSCI with Poly

L3Harris


Job Location:

Palm Bay, FL - USA

Monthly Salary: Not provided by the employer
Posted: 25 July 2026 (30+ days ago)
Application Deadline: 22 October 2026
Vacancies: 1 Vacancy

Job Summary

Job Title: Senior Specialist Mechanical Engineering - TS/SCI with Poly

Job Code: 41174

Job Location: Palm Bay FL

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

Job Description:

L3Harris is seeking a Senior Specialist Mechanical Engineering to support the design development integration and production of advanced aerospace and defense systems. The role partners with cross-functional teams to develop ruggedized mechanical solutions for mission-critical products throughout the product lifecycle.

Essential Functions:

  • Work closely with cross-functional teams to solve complex problems.
  • Strong engineering fundamentals and analytical background with the ability to understand and guide analyses and offer solutions related to mechanical electro-mechanical and opto-mechanical systems. Types of analysis include thermal fluid structural and power.
  • Create complex mechanical designs and execute layouts for multiple products.
  • Demonstrated ability in packaging electrical components such as Circuit Cards Connectors and cables including design integration and validation in rugged environments.
  • Demonstrated ability in developing integrating and validating mechanical electro-mechanical and opto-mechanical designs.
  • Lead the mechanical design prototyping testing and troubleshooting of production products.
  • Lead the development of relevant design control documentation.
  • Interact with outside vendors to source parts.
  • Experience in the design of additive manufactured parts machined parts weldments sheet metal parts and cable assemblies.

Qualifications:

  • Bachelors Degree in engineering and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related lieu of a degree minimum of 10 years of prior related experience.
  • TS/SCI with Poly is required to start.

Preferred Additional Skills:

  • 5 years experience in Mechanical design requirements analysis specification generation interface definition component selection component 3D CAD modeling data collection and product documentation
  • 1 year experience leading and collaborating in a multi-disciplinary diverse and dynamic team environment
  • Prior or current experience working on avionics products or systems
  • 2 years experience in 3D CAD Modeling PTC Creo Catia NX or SolidWorks
  • Prior experience packaging electronics
  • Prior experience supporting production/factory level electronics problem solving
  • Experience in design and testing to military environments (i.e. temperature vibration shock etc)
  • Design for Manufacturability and Assembly (DFM/DFMA) experience.
  • Experience with machined part design.
  • Experience with plastic and/or sheet metal part design.

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Required Experience:

Senior IC


About Company

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At L3Harris, we anticipate and mitigate risk with agile end-to-end solutions that meet our customers' mission-critical needs across all domains.

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