Mechanical Engineer

CACI International Inc; Virginia (MN); On-site; USD 72,700 - 149,200; Full time

Job summary

CACI International Inc. has an opening for a Mechanical Engineer in Dulles, VA to own design updates, engineering changes, and testing of advanced hardware. You will collaborate across engineering, manufacturing, and test teams in a fast-paced environment, applying 3D CAD modeling and PLM skills.

Responsibilities include modeling complex systems, managing CAD data, creating drawings and BOMs to ASME Y14.5 standards, performing tolerance analysis, and supporting environmental testing.

Qualifications

• B.S. in Mechanical Engineering is required.
• 3+ years of industry experience in mechanical design, analysis, and testing.
• Strong proficiency with SolidWorks and PLM/PDM systems.
• Experience creating and releasing complex mechanical models, drawings, and assemblies.
• Knowledge of GD&T (ASME Y14.5) and drafting standards.
• Hands-on experience with mechanical hardware builds, assembly and integration.
• Experience with environmental testing (thermal, vibration, shock).

Responsibilities

• Design, model, and document mechanical systems, assemblies, and components.
• Manage CAD data and configuration using PLM software.
• Develop drawings, specifications, and BOMs meeting ASME Y14.5 standards.
• Perform tolerance analysis and material selection for demanding applications.
• Collaborate with manufacturing to ensure producibility and cost-efficiency.
• Support prototype builds, assembly, and troubleshooting of mechanical hardware.
• Contribute to testing at component and system levels, including environmental tests.

Skills

Mechanical design

SolidWorks

PLM systems

GD&T

Troubleshooting

Education

B.S. in Mechanical Engineering

Tools

PDM/PLM

Job description

Job Title: 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 design updates, engineering change requests, assisting with production issues, and testing. 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 PLM systems along with hands‑on mechanical build experience, and a background in testing components in demanding environments.

Responsibilities

• Design, model, and document complex mechanical systems, assemblies, and components.
• 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.
• Must be a US Citizen
• 3+ years of industry experience in mechanical design, analysis, and testing.
• Strong proficiency with SolidWorks and PDM/PLM 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 if required
• Experience with aerospace, defense, or other high‑reliability industries.
• Experience with test planning, instrumentation, and data analysis.
• Working knowledge of FEA tools.

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

$72,700 - $149,200

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.