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CACI

Provides government contracting technology and services

Lead Opto-Mechanical Engineer

Design EngineeringConfirmed live in the last 24 hours
Full-timeFlorham Park, NJ, USA$120.8k - $265.8k

About the Job

Requirements

  • A bachelor's degree in Mechanical Engineering and at least 10 years of related experience, or an equivalent combination of education, skills, and experience.
  • Proficiency with computer-aided design software; SolidWorks is preferred.
  • Experience with optomechanical systems, precision structures, or high-stability mechanical assemblies.
  • Strong understanding of optical mounts, materials, tolerancing, and alignment techniques.
  • Ability to take ownership of assigned projects and guide and mentor team members toward project goals.
  • Familiarity with Design for Manufacturing (DFM) and experience applying its principles to improve product quality and manufacturability.
  • Must be a United States citizen.

Responsibilities

  • Design packaging for complex subsystems with optical, photonic, optoelectronic, electrical, and mechanical elements for research and development and production programs for United States government customers.
  • Own mechanical designs from concept through flight qualification, including requirements definition, trade studies, and detailed design.
  • Translate optical prescriptions into robust mechanical designs in collaboration with optical engineers.
  • Design optical mounts and systems for launch loads, vibration, shock, thermal cycling, and vacuum environments.
  • Collaborate with and manage third-party vendors to resolve specification, performance, and reliability issues and secure required commercial and custom parts.
  • Support integration, alignment, and test activities, including environmental testing and troubleshooting.
  • Lead designers, analysts, and engineering professionals by developing technical direction and providing guidance and mentorship.
  • Provide input to project schedules and budgets to support timely completion and high-quality outcomes.

Desired Qualifications

  • Demonstrated expertise designing complex subsystems with optical, photonic, optoelectronic, electrical, and mechanical elements.
  • Involvement with gimbal systems or other precision motion-control mechanisms, including design, integration, and optimization for optical systems or robotics applications.
  • Familiarity with material behavior in space environments, including coefficient of thermal expansion matching, thermal gradients, and outgassing considerations.
  • Experience conducting static, modal, thermal, nonlinear, or dynamic simulations using finite element analysis solvers such as Ansys or Nastran, or collaborating with analysts to ensure adequate margin and performance.
  • Experience with optical and electronic subassembly layout, including board physical design, chassis or enclosure design, optical fiber routing, and electrical and optical connector selection.
  • Experience creating or contributing to project schedules, estimating effort, and managing labor budgets.
  • A master's degree.

About the Company

CACI

Provides government contracting technology and services

CACI International Inc. provides technology and professional services to U.S. government clients, focusing on national security and modernization. It earns most of its revenue through long-term government contracts that fund engineering, intelligence, logistics, cybersecurity, data analytics, and IT solutions for defense, intelligence, and federal civilian agencies. Its products and services work by delivering specialized technical expertise, secure systems, and mission-support capabilities that help agencies run operations more efficiently and securely. CACI differentiates itself through its deep domain knowledge in national security, a proven track record of delivering high-quality, reliable solutions, and a skilled workforce that can execute complex, long-duration contracts. The company’s goal is to be a trusted partner for government modernization needs by providing advanced technology solutions and mission support that enhance national security and operational effectiveness.

Company size
10,001+
Company stage
IPO
Headquarters
Reston, VA
Founded
1962

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