Software Engineering Intern

Software Engineering Intern - Summer 2026Job Category: Intern/Co-opTime Type: Part timeMinimum Clearance Required to Start: NoneEmployee Type: Part-Time On-CallPercentage of Travel Required: NoneType of Travel: None* * *

The Opportunity:
CACI is seeking talented Software Engineering Interns to join our team in Dulles, VA for Summer 2026! We enable national security missions through creation and delivery of innovative, technology-centric solutions that provide decision advantage to our customers. Our client engagement processes, the way we collaborate, operate and deliver value, provides an unparalleled opportunity to grow and advance. The internship will begin in May and last 12 weeks. You will be required to work 100% on-site.


Responsibilities:

• Assist in coding, testing, and debugging new software or making enhancements to existing software and suggest solutions for problems or software enhancements
• Assist with reviews of schematics and integration to a new embedded design
• Work with a team of embedded software engineers to develop code for microcontrollers within the ARM Cortex family of devices
• Use GCC and ARM make tools and JLink hardware debuggers
• Assist with interfacing with peripherals over I2C, UART, SPI, PWM
• Assist with sensors like orientation, temperature, light and control hardware like servos or motors
• Profile, analyze, and optimize the software
• Employ best practices for design, development, unit testing and test plan development and develop software user manuals
• Participate in team meetings, including daily standups and Scrum meetings

Qualifications:

Required: 

• Currently pursuing an undergraduate or graduate degree in Computer Science, Software Development, Software Engineering or related field
• Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future
• Must be able to obtain and maintain applicable security clearance
• Familiarity with programming languages such as, C/C++, Python, Rust
• Familiarity with hardware or software tools at an appropriate academic level

Desired:

• Minimum GPA of 3.0 or higher is preferred but not required
• Previous internship/co-op or other work experience
• Participation in professional/community/extracurricular activities

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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. 

Your potential is limitless. So is ours.

Learn more about CACI here.

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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. Learn morehere.

The proposed salary range for this position is:

$45,900 - $91,900