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Senior Specialist, Mechanical Engineering - TS/SCI with Poly

Harris Corporation
Palm Bay, FL Full Time
POSTED ON 8/5/2026
AVAILABLE BEFORE 9/4/2026
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: 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:

  • Bachelor's Degree in engineering and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In 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.

#LI-EK1

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. 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 or Spanish . For information regarding your Right To Work, please click here for English or Spanish .

Salary.com Estimation for Senior Specialist, Mechanical Engineering - TS/SCI with Poly in Palm Bay, FL
$110,178 to $135,748
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