Software Engineering Intern – Summer 2027
CACI International1 day ago
Lisle, IL, USAIntern
Base Salary
$44k - $88k/yr
Responsibilities
- Develop software under the direct supervision and guidance of experienced engineers.
- Develop and optimize algorithms.
- Research and write research papers.
- Collaborate with other interns and seasoned engineers on telecommunications technology projects.
Requirements
- Currently pursuing an undergraduate or graduate degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field.
- Be legally authorized to work in the United States without requiring employer sponsorship now or in the future.
- Be able to obtain and maintain an applicable security clearance.
- Have a broad computer science or computer engineering background, including knowledge of algorithm and data structure implementation.
- Have experience with high-level programming languages such as C and C++.
- Have experience with scripting languages such as Python.
- Have experience with source code management tools such as Git.
- Have experience with GNU/Linux software development and toolchains.
- Have interest in algorithms, data structures, and computational complexity.
- Knowledge or interest in networking, security, and vulnerability research is desired.
- Knowledge of Microsoft software applications and other software applications as required.
- A minimum GPA of 3.0, previous internship or co-op experience, leadership and teamwork capabilities, communication skills, and relevant activities are preferred.
Benefits
- The internship lasts 10–12 weeks, begins in May 2027, and is 100% onsite in Lisle, Illinois.
- The position is part-time, on-call, and may require up to 10% local travel.
- CACI offers flexible time off, learning and development resources, healthcare, wellness, financial, retirement, family support, continuing education, and other time-off benefits.
About CACI International
CACI International is a public government contractor that delivers enterprise IT, cybersecurity, electronic warfare, space, and intelligence solutions to U.S. defense, intelligence, and federal civilian customers. It provides systems engineering, software and data services, and mission support across C4ISR and business systems, primarily through long-term government contracts. Founded in 1962 and headquartered in Reston, Virginia, CACI trades on the NYSE under the ticker CACI.