Jobs Companies CACI Senior Mechanical Engineer

About this Senior Mechanical Engineer role at CACI

CACI · Onsite · Dulles, VA, US
Job Title: Senior 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: Local

* * *

The Opportunity:
CACI International Inc. has an immediate opening for Mechanical Engineer located in Dulles, VA. The Mechanical Engineer will take ownership of new product development from concept to production release. You will work in a fast-paced, high-performance environment, collaborating across engineering, manufacturing, and test teams to deliver innovative solutions for advanced hardware systems. This role requires strong proficiency in 3D CAD modeling and simulation, along with hands-on mechanical build experience, and a background in testing components in demanding environments. Interfacing with and using PLM systems will also be required.

Responsibilities:

  • Design, model, and document complex mechanical systems, assemblies, and components.
  • Run thermal and/or structural simulations, and complete tolerance stack-up analysis
  • Manage CAD data and configuration using PLM software.
  • Develop engineering drawings, specifications, and BOMs that meet ASME Y14.5 GD&T standards.
  • Perform design trade studies, tolerance analysis, and material selection for demanding applications.
  • Collaborate with manufacturing to ensure designs are producible, cost-effective, and high quality.
  • Participate in prototype builds, assembly, and troubleshooting of mechanical hardware.
  • Support and execute component- and system-level testing, including environmental testing (thermal, vibration, shock, etc.).
  • Work cross-functionally with engineers from multiple disciplines to integrate mechanical systems into larger assemblies.
  • Contribute to continuous improvement of design, test, and build processes.


Qualifications:
Required: 

  • B.S. in Mechanical Engineering (M.S. preferred).
  • Must be a US Citizen
  • 7+ years of industry experience in mechanical design, analysis, and testing.
  • Strong proficiency with SolidWorks, SolidWorks Flow and SolidWorks Simulation (other simulation tool experience will also be considered)
  • Experience with SW PDM, and ERP systems.
  • Proven experience creating and releasing complex mechanical models, drawings, and assemblies.
  • Knowledge of GD&T (ASME Y14.5) and mechanical drafting standards.
  • Hands-on experience with mechanical hardware builds, assembly, and integration.
  • Experience supporting or executing mechanical/environmental testing (thermal, vibration, shock, or structural).
  • Ability to work in a fast-paced, high-pressure environment and manage multiple priorities.
  • Strong problem-solving skills, initiative, and ability to work both independently and in teams.

Desired:

  • Ability to obtain and maintain a TS/SCI clearance if required 

-

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 - $218,100

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.
Ready to apply to CACI?
Apply to CACI

How this Mechanical Engineer salary compares

This role pays $160,950/yrin line with the typical range for Mechanical Engineer roles.

$90,000 median $133,404 $190,100

Typical range $110,000–$162,858/yr, from 1,353 comparable Mechanical Engineer listings on JobsRadar (pay annualized to USD). See Mechanical Engineer salary insights →

About CACI

Click on Search Jobs to find and apply to CACI openings.

See all jobs at CACI →

Similar jobs

Costa Navarino
Construction Mechanical or Electrical Engineer, Costa Navarino (2026)
Costa Navarino
⚡ Apply early Athens, Attica, Greece Onsite
● New 👁 Seen ✓ Applied 1h ago
Marshalls PLC
Mechanical Maintenance Engineer
Marshalls PLC
⚡ Apply early Saint Ives, England, United Ki... Onsite
● New 👁 Seen ✓ Applied 2h ago
NewOrbit Space
Contract Mechanical Design Engineer
NewOrbit Space
⚡ Apply early Reading (London) Hybrid
● New 👁 Seen ✓ Applied 2h ago
FR
Thermo Mechanical Engineer
Fractile
⚡ Apply early Bristol Onsite
● New 👁 Seen ✓ Applied 3h ago
Redwood Materials
Staff Mechanical Design Engineer, EPC 
Redwood Materials
⚡ Apply early San Francisco, California, Uni... Onsite $187,500–$247,500
● New 👁 Seen ✓ Applied 3h ago
Redwood Materials
Staff Mechanical Design Engineer, EPC 
Redwood Materials
⚡ Apply early Carson City, NV Onsite
● New 👁 Seen ✓ Applied 3h ago
Redwood Materials
Senior Mechanical Engineer, Production
Redwood Materials
⚡ Apply early McCarran, NV Onsite
● New 👁 Seen ✓ Applied 3h ago
Gotion, Inc.
Sr. Staff/Principal Mechanical Engineer, Battery
Gotion, Inc.
⚡ Apply early Irvine, California Onsite
● New 👁 Seen ✓ Applied 4h ago
Rocket Lab Corporation
Systems Engineer - Mechanical
Rocket Lab Corporation
⚡ Apply early Auckland, NZ Onsite
● New 👁 Seen ✓ Applied 5h ago

Sign up for suggestions tailored to the jobs you open and the searches you save.

More jobs at CACI

See all jobs at CACI →

Apply now
🤖

Whoa — hold up

JobsRadar was built for real people having a rough time in their job search — not for automated requests. You're clicking way too fast and you're now temporarily blocked.

Come back later. If you're genuinely job hunting, we've got your back — just act like a human.

Catch your next role the second it’s posted.

Create a free account and we’ll watch the boards for you — the instant a job matches your search, it lands in your inbox or Telegram. No digging, no refreshing.

Create free account

Free forever · takes 30 seconds · already have one?

Get an edge on your job hunt.

Join our Telegram channel for the stuff that helps you land the role — salary benchmarks, the weekly market pulse, and new-feature drops. No spam, just signal.

Join the channel — it's free