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L3Harris Technologies

Global defense contractor delivering aerospace tech

Senior Specialist - Mechanical Engineer, Mechanisms

Design EngineeringUpdated on Nov 14
Full-timeChantilly, VA, USA

About the Job

Requirements

  • A bachelor's degree and at least 6 years of prior relevant experience, or a graduate degree and at least 4 years of prior related experience; in lieu of a degree, at least 10 years of prior related experience.
  • An active Top Secret or Top Secret/SCI clearance is required; an active clearance within the last two years will be considered.

Responsibilities

  • Lead mechanical design, analysis, prototype integration, and qualification testing for precision mechanisms and electromechanical hardware.
  • Develop 3D models, drawings, technical data packages, and assembly documentation.
  • Evaluate material selections and design trades; improve designs for performance, size, weight, power, manufacturability, and reliability.
  • Plan and execute component- and system-level tests, analyze results, and drive design improvements.
  • Present designs and results at internal and customer reviews, including peer reviews, PDRs, and CDRs.
  • Partner with manufacturing, quality, configuration management, suppliers, technicians, and the program test team to transition designs into production.
  • Support field-test or demonstration activities as needed.
  • Work on-site in a mix of office and laboratory environments.

Desired Qualifications

  • Hands-on experience designing, developing, integrating, and testing complex mechanical hardware.
  • Experience with 3D mechanical CAD, engineering drawings, and tolerance analysis/GD&T.
  • Experience designing or developing precision mechanisms, mechatronic systems, and/or packaging modules and electronics while considering thermal and structural loading and optimizing size, weight, and power.
  • Proficiency with CAD tools such as Creo and understanding of ASME Y14.5 Geometric Dimensioning and Tolerancing standards.
  • Experience in additive manufacturing, part optimization, and design for manufacture and assembly.
  • Experience with actuators, custom gear trains, electro-optical systems, materials testing, or manufacturing processes.
  • Favorable polygraph.

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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