Software Engineering Intern - Summer 2026

CACI International • Lisle, IL

1d • Onsite

About The Position

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.

Requirements

• 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

Nice To Haves

• 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

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

Benefits

• 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.

What This Job Offers

• Job Type: Part-time
• Career Level: Intern
• Number of Employees: 5,001-10,000 employees