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L3Harris Technologies

Global defense contractor delivering aerospace tech

Sr Specialist Mechanical Engineer

Design EngineeringUpdated on Nov 14
Full-timeNorthampton, MA, USA

About the Job

Requirements

  • Bachelor’s degree in Mechanical Engineering with at least 4 years of experience in the Mechanical Engineering field, or a graduate degree with at least 2 years of experience.
  • Ability to obtain and maintain a U.S. Secret clearance.
  • Experience using CREO MCAD, Microsoft Word, Excel, PowerPoint, and Outlook, and experience with analysis tools such as ANSYS, ABAQUS, CFDesign, PTC CREO/Simulate, and MathCAD.

Responsibilities

  • Perform mechanical engineering design and analysis to establish the validity of proposed designs, and participate in design reviews to provide feedback that enhances structural and thermal performance of components and mechanisms.
  • Develop working designs, computer solid models, and design layouts for complex parts, mechanisms, and optical mounting using MCAD/MCAE tools.
  • Create and review detail and assembly drawings to ASME Y14.100 and internal standards.
  • Perform and document structural and thermal analysis using classical techniques and finite element analysis to establish the validity of proposed designs.
  • Perform kinematic and dynamic analysis of mechanisms, modal shock and vibration analysis, thermal analysis, and flow-induced vibration analysis, and document the results.
  • Work with mechanical designers and other engineers to optimize designs for structural and thermal performance.
  • Prepare and review design documentation in accordance with contract requirements and internal standards.
  • Support the creation of technical performance specifications and assist the Purchasing Department with procurement of items as necessary.
  • Contribute to technical proposal efforts as part of a program capture team.
  • Estimate manpower and other resource factors for related tasks, and provide tasking inputs to support the creation and maintenance of the Integrated Master Schedule.
  • Prepare and present internal and external design reviews, including Preliminary Design Reviews and Critical Design Reviews, to demonstrate that the design meets specifications and customer requirements.
  • Critically examine new or existing designs to verify that design principles have been correctly applied.
  • Support the assembly and integration of products and systems, including mechanical system and component alignment, testing, troubleshooting, and evaluation.
  • Ensure quality by adhering to the Quality Systems Manual, applicable Standard Work Instructions, and other standards invoked internally or contractually.
  • Work independently and check and verify work performed by peers.
  • Travel up to 10%.

About the Company

L3Harris Technologies

Global defense contractor delivering aerospace tech

L3Harris Technologies provides advanced aerospace, defense, and space systems for governments and commercial customers. Its products include sensors, communications, and propulsion—such as tactical radios, night-vision gear, satellite payloads, missile defense, and space propulsion—delivered as integrated systems for operations across air, land, sea, space, and cyber domains. The company blends legacy technologies from two joining giants with newer capabilities, faster acquisition cycles, and a focus on missiles, space, and resilient communications to field solutions quickly. Its goal is to be a trusted, scale-ready provider of next‑generation defense and intelligence capabilities for national security and related customers.

Company size
10,001+
Company stage
IPO
Headquarters
Melbourne, FL
Founded
1895

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