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Sr. Associate, Mechanical Engineer

L3Harris Technologies
United Statesfull_timeVerifiedPosted 24 Jun 2026

About the role

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. Associate, Mechanical Engineer

Job Number: 40035

Job Location: Nashville, TN

Schedule:  9/80-Every other Friday off

 

 

Job Description:

ForceX is seeking a Mechanical Engineer to deliver mission-focused technical solutions from concept through deployment and sustainment. The role partners across disciplines to translate requirements into executable designs that meet performance, cost, and schedule objectives. The Mechanical Engineer designs, analyzes, and develops mechanical or electro-mechanical solutions supporting ForceX mission products. The role supports concept-to-production execution with focus on reliability, manufacturability, and program outcomes. This level is an experienced professional role with proficient job-area knowledge and practical project execution capability.

 

Essential Functions:

  • Execute engineering work products from requirements through verification and technical documentation.
  • Collaborate with cross-functional teams to integrate hardware, software, and operational constraints into practical solutions.
  • Conduct technical analysis, risk identification, and trade studies to support design decisions.
  • Present technical status, issues, and recommendations in formal and informal reviews.
  • Contribute to proposal, planning, and execution activities aligned to program milestones.
  • Support compliance with customer, regulatory, and security requirements.
  • Travel up to 25% to support integration, test, customer engagement, and program execution.
  • Support work performed in a classified and or controlled environment.
  • Design, layout, test, and evaluate mechanical and electro-mechanical devices or subsystems.
  • Perform engineering calculations and analysis to validate design robustness and reliability.
  • Prepare technical specifications, design documentation, and recommendation packages for review.
  • Partner with electrical, systems, manufacturing, and quality teams to mature integrated designs.
  • Support prototype build, test, issue resolution, and transition to production.
  • Develop detailed mechanical models, layouts, and design packages supporting prototype and production release.

 

Qualifications:

  • Bachelor’s Degree and minimum 2 years of prior relevant experience. Graduate Degree. In lieu of a degree, minimum of 6 years of prior related experience. Bachelor of Science degree in a STEM discipline is required.  Engineering degree is preferrable, but Physics, Mathematics, and Computer Science degrees are acceptable alternatives.
  • Ability to obtain and maintain a DoD security clearance.
  • 2 years of experience in mechanical design and analysis for complex products.
  • 2 years of experience interpreting customer technical requirements and translating them into implementable design artifacts.
  • 2 years of experience with material, component, and process selection decisions.

 

Preferred Additional Skills:

  • Experience baseline: Bachelor degree with 4+ years relevant experience, or graduate degree with 2+ years.
  • Role scope expectation: Works in

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Company

L3Harris Technologies

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