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Senior Opto-Mechanical Engineer

Job in Florham Park, Morris County, New Jersey, 07932, USA
Listing for: CACI International
Full Time position
Listed on 2026-07-01
Job specializations:
  • Engineering
    Systems Engineer, Mechanical Engineer
Job Description & How to Apply Below

Senior Opto-Mechanical Engineer

CACI is looking for a Senior Opto-Mechanical Engineer to join our Photonics team-- we are expanding! Our laser communications technology is helping NASA provide high-definition video from the International Space Station, and to explore asteroids 250 million miles away. Our other optical technology can also help scientists discover biohazards; support intelligence, surveillance, and reconnaissance missions; and protect soldiers from explosive devices.

Do you have a passion for innovation? Apply now and join the team!

The Opportunity:
  • Under limited direction design the packaging for complex subsystems with optical, photonic, optoelectronic, electrical, and mechanical elements for R&D and production programs for U.S. government customers.
  • Own mechanical designs from concept through flight qualification, including requirements definition, trade studies, and detailed design.
  • Collaborate with optical engineers to translate optical prescriptions into robust mechanical designs.
  • Design optical mounts and systems for launch loads, vibration, shock, thermal cycling, and vacuum environments.
  • Develop and maintain optical alignment strategies, including athermalization and stability over temperature.
  • Produce build-to drawings and data packages and collaborate with and manage 3rd party vendors to resolve specification, performance, and reliability issues and realize the commercial and custom-machined parts necessary to build the subsystem.
  • Support integration, alignment, and test (I&T) activities, including environmental testing and troubleshooting
  • May lead a team of other designers, analysts, and engineering professionals
  • May directly supervise lab technicians
Qualifications:

Required:
  • BS in Mechanical Engineering and a minimum of 7 years of related experience or equivalent combination of education, skills, and experience.
  • Proficient use of computer-aided design and analysis software, with Solid Works and Ansys strongly preferred.
  • Experience working with optomechanical systems, precision structures, or high-stability mechanical assemblies.
  • Strong understanding of optical mounts, materials, tolerancing, and alignment techniques.
  • Familiarity with use of and preparation of CAD models for use in FEA software for thermal and structural (shock and vibration) analysis
  • Familiarity with Design for Manufacturing (DFM) and Design Failure Mode and Effects Analysis (DFMEA) methodologies, with experience applying these principles to improve product quality and manufacturability.
  • Must be a US Citizen.
Desired:
  • Experience in the design of complex subsystems with optical, photonic, optoelectronic, electrical, and mechanical elements.
  • Experience with gimbal systems or other precision motion control mechanisms, including design, integration, and optimization for applications in optical systems or robotics.
  • Familiarity with material behavior in space environments, such as CTE matching, thermal gradients, and out gassing considerations.
  • Proven experience conducting mechanical simulations using ANSYS Mechanical (static, modal, thermal, nonlinear, or dynamic).
  • Experience in optical and electronic subassembly layout including board physical design, chassis or enclosure design, optical fiber routing, and electrical and optical connector selection.
  • Master's degree preferred

What You Can Expect:

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Pay Range:

There are a host of factors that…

Position Requirements
10+ Years work experience
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