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Senior Opto-Mechanical Engineer

Job in Danbury, Fairfield County, Connecticut, 06813, USA
Listing for: CACI International Inc
Full Time position
Listed on 2026-06-05
Job specializations:
  • Engineering
    Systems Engineer, Mechanical Engineer
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below

Job Title:

Senior Opto-Mechanical Engineer

Job Category:
Engineering

Time Type:
Full time

Minimum Clearance Required to Start:
None

Employee Type:
Regular

Percentage of

Travel Required:

Up to 10%

Type of Travel:
Continental US

The Opportunity

CACI Danbury is seeking a Mechanical Engineer who reports to the Opto-Mechanical Systems Supervisor. This position is part of the Mechanical Engineering Department and supports design and analysis of hardware for complex opto-mechanical systems having requirements including precision stability, vibration & shock loads, extreme thermal and vacuum operation, and high reliability. Responsible for all tooling, fixtures and test equipment that satisfy system level requirements.

Responsibilities

In this position, you will be responsible for design and analysis in support of space, air, and ground based opto-optical payload systems.

The Candidate Will
  • Follow the Engineering design processes for the design of both spaceflight and non-space-flight hardware while working with various Danbury Integrated Product Teams (IPTs) to meet customer requirements.
  • You will have ownership of the designs within the development process and support all team lead tasks.
  • Receive and understand requirements for component or subassemblies and develop concepts for meeting requirements.
  • Participate in the design and analysis effort for spaceflight and ground-support mechanical systems. Receive and understand requirements for the component or subassembly assigned.
  • Use CREO 7.0+ to produce new design models and assembly layouts; create detail drawings and Bill of Materials using data management software (PDMLink); prepare data packages for incorporation (release for procurement).
  • Use CREO Simulate and evaluate structural design performance.
  • Support projects from initial concept through system integration and test.
  • Apply and modify Geometric Dimensions and Tolerances (GD&T) to precision parts and assemblies.
  • Complete and conduct various program communications such as status reports, meetings, and peer reviews.
  • Coordinate and/or assist in tooling and fixturing designs.
  • Defend all design and analysis activities through the coordination of, and preparation for, internal design peer reviews as well as technical and programmatic review milestones (SRR, PDR, CDR, TRR, etc.). In addition, you will document all designs and analyses.
Qualifications

Required:

  • Sole US citizenship is required (candidates with dual citizenship will not be considered).
  • Capable of obtaining and holding a security clearance is required.
  • 5+ years of related work experience.
  • Experience participating in, and/or executing the design, analysis, development, fabrication, integration, verification, and compliance processes.
  • A background in opto-mechanical, electro-mechanical, thermal and/or structural systems development.
  • Solid Modeling experience with CREO and Windchill PDMLink preferred.
  • Experience with Solid works or equivalent acceptable.
  • GD&T, Manufacturing, and Test experience a plus.
  • Experience with Microsoft Office tools (Word, Power point, Excel).
  • Experience with Math Cad and Matlab.
  • Written, verbal, and visual communication skills.
  • Can-do attitude with qualities conducive to teamwork and collaboration.
  • Ownership of all tasks.
  • Willingness to reach out to other departments and disciplines to drive tasks to completion.
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…

Position Requirements
10+ Years work experience
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