
Software Engineering Intern – Summer 2027
CACI International1 day ago
Lisle, IL, USAIntern
Base Salary
$44k - $88k/yr
Responsibilities
- Develop software under direct supervision and mentor guidance.
- Develop and optimize algorithms.
- Collaborate with interns and experienced engineers on telecommunications technology projects.
- Write research papers.
Requirements
- Currently pursuing an undergraduate or graduate degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field.
- Must be legally authorized to work in the United States without employer sponsorship now or in the future.
- Must be able to obtain and maintain applicable security clearance.
- Broad computer science or computer engineering background, including knowledge of algorithm and data structure implementation.
- Experience with high-level programming languages such as C/C++.
- Experience with scripting languages such as Python.
- Experience with source code management tools such as Git.
- Experience with GNU/Linux software development and toolchains.
- Interest in algorithms, data structures, and computational complexity.
- Knowledge of Microsoft software applications and other software applications as required.
- Interest or experience in networking, security, or vulnerability research is desired.
- A minimum GPA of 3.0, previous internship or co-op experience, leadership, teamwork, communication skills, and relevant activities are preferred.
Benefits
- 10–12-week internship beginning in May 2027.
- Part-time, on-call employment with 100% on-site work in Lisle, Illinois.
- Up to 10% local travel may be required.
- Access to flexible time off, learning resources, healthcare, wellness, financial and retirement benefits, 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.