Role Overview
CACI is hiring a Opto-Mechanical Engineer. This is a full-time role in Danbury. posted today. applications are still in the early window, before most candidates have applied. Full responsibilities, required qualifications, and the apply link are listed in the description below.
Resume Keywords to Include
Make sure these keywords appear in your resume to improve ATS scoring
Job description
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 thru 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
- Experience with Solid works or equivalent acceptable.
- Experience with Microsoft Office tools (Word, Power point, Excel)
- Experience with MathCad 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.
Desired:
- Solid Modeling experience with CREO and Windchill PDMLink
- GD&T, Manufacturing, and Test experience
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 can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$103,800 - $218,100About CACI
CACI
caci.com
111 other open roles at CACI on TryApplyNow.
Frequently Asked Questions
How do I apply for the Opto-Mechanical Engineer position at CACI?
Use the Apply button above to submit your application directly to CACI. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Opto-Mechanical Engineer position at CACI located?
This position is based in Danbury. CACI has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Opto-Mechanical Engineer at CACI earn?
CACI has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Opto-Mechanical Engineer role at CACI posted?
This role was posted on July 23, 2026 (today). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
More Jobs at CACI
View all →AI-powered job search
Get every job scored to your resume
Upload your resume and get jobs ranked, your resume tailored, and employee contacts found automatically.
Get started freeNo credit card to start