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L3Harris Technologies

Global defense contractor delivering aerospace tech

Mechanical Engineer - Space Optics

Aerospace EngineeringConfirmed live in the last 24 hours
Full-timeFort Wayne, IN, USANo salary listed

About the Job

Requirements

  • A bachelor's degree with a minimum of four years of prior relevant experience, a graduate degree with a minimum of two years of prior related experience, or at least eight years of prior related experience in lieu of a degree.
  • Professional experience in design and testing for space environments, including temperature, vacuum, and radiation.
  • At least three years of experience in 3D computer-aided design modeling using industry-standard tools.
  • Ability to obtain and maintain a Department of Defense security clearance.

Responsibilities

  • Support the design and development of space-borne precision optics, mirrors and mounts, and cryogenic optical systems for infrared payloads, including mechanical systems analysis, architecture definition, specification and interface control document development, and supporting trade studies.
  • Develop mechanical systems for infrared payloads and subsystems, from requirement allocations and flow-downs through specification, interface definition, and compliance verification.
  • Design precision optics for infrared payloads, including optical mirrors, mirror mounts, windows, filters, focal plane mounts, and telescopes for cryogenic applications.
  • Lead small- to mid-sized cross-functional design teams for infrared payloads and mechanical subsystems.
  • Author preliminary design reviews, critical design reviews, and other required design reviews.
  • Perform trade studies to determine optimal designs.
  • Assist with schedule, cost, and technical responsibility at the major subsystem level.
  • 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.

Desired Qualifications

  • An active Secret clearance.
  • Experience with optical focus and thermalization design.
  • Optical alignment design experience.
  • Experience with PTC Creo or SolidWorks.
  • Knowledge of NASA 5017 and ABMA standards.
  • Knowledge of geometric dimensioning and tolerancing and tolerance stacks.
  • Experience with tribology.
  • Prior experience with COBRA or Orbis.
  • Prior experience developing aircraft structures or major subassemblies.
  • Prior electronics packaging experience.
  • Design experience in space-borne infrared optical systems.

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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