Cyber Engineering Intern - Summer 2026

CACI•Reston, VA

About The Position

CACI is seeking talented Cyber Engineering Interns for Summer 2026 at our Reston, VA location! The internship will start in mid-May and a commitment for 12 weeks is required. You will partner with our cyber leaders to gain hands on experience within the industry. You will be focused on themes that will require you to “think like an adversary” as both an external actor and an insider threat. You should also be passionate about the cyber security industry. You will be driven to become a well-rounded technology professional in the disciplines you learn over the summer; along with learning to respectfully work with others in a professional environment.

Requirements

Currently pursuing a degree in one of the following majors: Computer Science, Computer Engineering, Electrical Engineering, Cybersecurity, Information Technology or related discipline
Maintain at least a 3.0 GPA in major coursework. Exceptions will be made on a case-by-case basis depending on skills and passion
Development experience in one or more of the following programming languages: Python, Java, C/C++/C#
Experience with some or all of the following: Windows, Linux, Python, Docker, Git, Proxmox, an AI library (Tensorflow, LlamaIndex, Pytorch etc.), CUDA, Sveltekit, JavaScript, PostgreSQL, Vector Stores (Chroma), Networking, Shell Scripting
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. A clearance is not required for the internship, but is applicable for most programs in CACI
Minimum program commitment of 12 weeks (starting in mid-May)
Strong interpersonal skills, flexibility, and ability to work in a team environment
Strong written and verbal communication skills for writing, reviewing, and discussing highly technical documentation

Nice To Haves

Knowledge of what virtualization is and how it can be leveraged for building training labs
A computer enthusiast who pursues technical knowledge outside of the workday
Basic understanding of the hardware components of servers and desktop computers
Experience with the following software packages: Microsoft Windows, Linux, Git/GitHub/GitLab, OpenVPN, VMware/VirtualBox or other hypervisor, Python, Flask, APIs
Has participated in at least one Capture the Flag (CTF) or Hack-a-thon events
Familiar with Scrum or Agile project management styles

Responsibilities

Red teaming/penetration testing
Leveraging AI for cybersecurity solution engineering
Creating infrastructure to support penetration testers and projects
Understanding adversarial tools, techniques, and procedures (TTPs)
Configuring virtual machines (VMs) and virtual networks
Full-stack software development in Python leveraging Jira for project planning
Microservice architecture utilizing Docker - CI/CD and version control using GitLab