Software Engineering Intern - Summer 2026

The Opportunity:
Want to be part of a mission-oriented world culture? CACI’s culture unifies us as a company and strengthens our resolve to meet our customers’ – and our country’s – most critical missions. The Wireless Solutions team of CACI is seeking Software Engineering Interns to join our Lisle, IL team during for the summer of 2026! The Wireless Solutions team designs and develops embedded and application software for custom sensor and wireless communication systems. The internship will begin in May and last for 12 weeks; you will be expected to work 100% on-site.

Responsibilities:

• Collaborate on innovative projects: work alongside fellow interns to design and implement wireless embedded or application software, guided by experienced mentors
• Participate actively in Agile team ceremonies, including daily standups and sprint planning
• Develop your professional presentation skills by documenting your progress and demonstrating your work through periodic presentations and demos
• Gain insight into corporate responsibility by understanding and adhering to CACI's Ethical and Compliance policies
• Learn the importance of workplace safety by following CACI's EH&S policies and procedures
• Cultivate essential workplace skills, including consistent and reliable attendance, preparing you for your future career

Qualifications:

Required:

• Currently pursuing an undergraduate or graduate degree in Computer Science, Computer Engineering, Electrical Engineering or related discipline
• 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
• Strong communication skills, with the ability to articulate complex technical concepts clearly and concisely
• Demonstrated ability to work effectively in collaborative team environment
• Ability to adapt to dynamic project requirements and deadlines
• Coursework or experience in:
• Object-oriented design, architecture, and programming methodologies
• Programming languages, with a focus on C, C++, and/or Java
• Scripting languages, such as Python, BASH, or equivalent
• Linux operating systems and environments

Desired:

• Familiarity in developing software for real-time environments
• Experience or knowledge with embedded software development, device drivers and microcontrollers
• Understanding of networking protocols, particularly UDP, TCP and SCTP
• Knowledge of distributed computing theories and practices
• Familiarity with cellular and/or Wi-Fi communication

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: