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L3Harris Technologies

Global defense contractor delivering aerospace tech

Senior Specialist Mechanical Engineering

Materials & StructuresUpdated on Nov 14
Full-timeAshburn, VA, USA

About the Job

Requirements

  • A Bachelor's degree in Mechanical Engineering or Aerospace Engineering, or a graduate degree, with the applicable minimum prior relevant experience; alternatively, at least 10 years of prior relevant experience in lieu of a degree.
  • At least 5 years of experience in mechanical design, requirements analysis, specification generation, interface definition, component selection, component 3D CAD modeling, data collection, and product documentation.
  • At least 3 years of experience leading and collaborating in a multidisciplinary team environment.
  • Prior or current experience working on aerospace products or systems.
  • At least 5 years of experience in 3D CAD modeling using PTC Creo, CATIA, NX, or SolidWorks.
  • Experience using Microsoft Office products.
  • Hands-on capability in integrating and diagnosing complex mechanisms and products.
  • Experience designing for and testing to military environments, including temperature, vibration, and shock.
  • Experience with electronics packaging, particularly circuit card assemblies and wire harnessing.
  • U.S. citizenship and ability to obtain a Secret security clearance.

Responsibilities

  • Lead conceptual and detailed design of unmanned aircraft and supporting systems, including structures and internal packaging.
  • Author preliminary and critical design reviews and other required design reviews.
  • Perform significant CAD modeling of parts and assemblies.
  • Perform trade studies to evaluate designs.
  • Conduct basic structural and thermal analysis of components and assemblies.
  • Drive schedule, cost, and technical execution for internal product teams.
  • Estimate costs for proposals.
  • Package circuit cards, wire harnesses, and other electrical systems.
  • Interface with customers and upper management.
  • Provide formal or informal guidance and mentorship to team members.
  • Direct and review the work of junior engineers, designers, and technicians.
  • Participate in risk assessment and develop mitigation strategies for complex projects.
  • Travel up to 10% as required.
  • Perform other duties as required.

Desired Qualifications

  • Expertise in 3D CAD modeling using PTC Creo is strongly preferred.
  • Experience developing aircraft structures or major subassemblies is strongly desired.

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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