OneMain Financial Jobs

Job Title: Mechanical Engineering Intern - Summer 2026

Job Category: Intern/Co-op

Time Type: Part time

Minimum Clearance Required to Start: Secret

Employee Type: Part-Time On-Call

Percentage of Travel Required: Up to 10%

Type of Travel: Continental US

The Opportunity:

CACI is seeking a motivated Mechanical Engineering Intern to support the design, fabrication, integration, and testing of mechanical systems associated with unmanned aerial systems (UAS) and related mission platforms. This internship provides hands-on experience in a fast-paced prototyping and production environment where designs move quickly from concept to build to operational use. The intern will work alongside experienced engineers and technicians supporting real-world engineering efforts across multiple active projects.

Responsibilities:

• Assist in the design and modification of mechanical components and assemblies

• Develop and update 3D models and detailed drawings using CAD software

• Support fabrication, fit checks, and mechanical integration activities

• Participate in tolerance analysis and basic structural evaluations

• Assist with development of build documentation and assembly instructions

• Support ground testing and validation of mechanical assemblies

• Help troubleshoot mechanical issues and support root cause analysis efforts

• Assist in maintaining engineering documentation and configuration control

• Collaborate with electrical, aerospace, and systems teams during integration efforts

Qualifications:

Required:

• Currently pursuing a Bachelor’s degree in Mechanical Engineering or closely related field

• Experience with 3D CAD modeling software

• Foundational understanding of mechanics, materials, and manufacturing principles

• Strong analytical and problem-solving skills

• Ability to work in a hands-on lab and fabrication environment

• Strong communication skills and willingness to learn

• Ability to obtain and maintain SECRET security clearance

Desired:

• Experience with prototyping, fabrication, or machine shop environments

• Familiarity with composite materials or additive manufacturing

• Exposure to structural analysis or FEA tools

• Prior internship, lab research, or engineering project team experience

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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.

Since this position can be worked in more than one location, the range shown is the national average for the position.

The proposed salary range for this position is:

$39,900-$79,900

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.