Sr. Mechanical Designer
CACI International
Danbury, CT · Posted September 22, 2026
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Where Danbury, CT ranks
Where Danbury, CT placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for mid-career professionals in the Northeast69% · of 70
- #1Best cities for mid-career professionals in New England69% · of 28
- #6Best college towns for junior jobs in New England29% · of 19
- #13Best cities for junior jobs in New England25% · of 28
- #17Best cities for software and engineering jobs in New England46 openings · of 24
- #24Best college towns for junior jobs in the Northeast29% · of 50
Rankings about design jobs
- Best cities for design jobs #1 New York (717 openings)
- Most requested AI skills in design jobs #1 AI tools in daily work (14.5%)
- Employers with the most design jobs #1 Amazon (176 roles)
How AI is used in this kind of work
AI use among mechanical engineers is little observed so far. Measured exposure for mechanical engineers: 8% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
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About the job
Job Title: Sr. Mechanical Designer
Job Category: Engineering and Technical Support
Time Type: Full time
Minimum Clearance Required to Start: None
Employee Type: Regular
Percentage of Travel Required: None
Type of Travel: None
* * *
The Opportunity
This position requires an experienced designer/drafter to apply existing skills to medium to difficult complexity interdisciplinary tasks. You will be responsible for producing tooling and related flight hardware within an integrated product team. It is expected you will work autonomously with limited oversight and be accountable for both space flight and non-space flight development program milestone deliverables.
Responsibilities:
Perform mechanical design on multiple projects through all phases of product lifecycle and take direction on tasks from lead project mechanical engineers
Create part models, assembly layouts, detailed drawings, and bills of materials using PTC Creo for solid modeling and PDMlink for data management
Requirement implementation and minimizing costs
Work with manufacturing personnel to assess and implement design for manufacturability (DFM) into design work
Complete and conduct various program communications such as status reports, meetings, and peer reviews
Execute engineering design changes for part and assembly drawings
Actively participating in project scheduling and budgeting
Validate concepts through engineering models and prototypes
Interact and coordinate with all engineering disciplines to deliver comprehensive design, engineering, and specification packages
Requirements:
Require ability to perform FEA (PTC Creo simulation, etc.)
Require understanding in manufacturing and prototyping in an array of engineering materials estimating with other disciplines a plus Require ability to perform conceptual and detailed cost estimating within engineering discipline,
Require ability to drive projects from initial concept through completion with minimal oversight
Adaptable to varying assignments as the design team grows and client base increases both in location and job responsibilities •
Require PTC Creo skills with a commitment to best modeling practices •
Require understanding of GD&T
Require computer skills and experience with CAD software (PTC Creo preferred)
Require good verbal/written communication and organizational skills. •
Require knowledge to understand the manufacturability of designs •
Require knowledge to plan and prioritize work to meet schedules and quality requirements
Willing to work overtime when required to meet customer milestones
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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: $78,700 - $165,200
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.