Optical Engineering Intern - Summer 2026

CACI International • Fort Belvoir, VA

1d • Onsite

About The Position

CACI is currently looking for an Engineering or Physics Intern to join our team supporting the Electro-Optical Components (EOC) Division for the Department of Army C5ISR Center for summer 2026. Join our passionate team of industry-leading next generation imaging sensors for advanced EO/IR Systems to deliver state of the art capability in support of our nation’s warfighters. As a member of the CACI Team, you will support the men and women charged with safeguarding the American people and enhancing the Nation’s safety, security, and prosperity. Our warfighters are on the front lines, every day, protecting our national security from the increasingly sophisticated and complex threats of our adversaries. CACI programs thrive in a culture of innovation and are constantly seeking individuals who can bring creative ideas to solve complex problems, both technical and procedural at the team and portfolio levels. The ability to be adaptable and to work constructively with a technically diverse and geographically separated team is crucial. This position will be based in Fort Belvoir, VA and will require working onsite with some opportunities for travel.

Requirements

• Ability to undergo a full background check is required.
• Currently enrolled in and in the pursuit of a bachelor’s or graduate degree in engineering or physics from an accredited university.
• 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.
• Ability to support multiple projects simultaneously.
• Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future.

Nice To Haves

• Eligibility to obtain a DoD Secret clearance.
• Demonstrated experience with documentation, planning, and organization skills.
• Experience with EO/IR sensor measurement and modeling including use of NVLabCap and NV-IPM tools.
• Previous internship / co-op work experience.

Responsibilities

• Work in the Night Vision and Thermal Sensors Branch’s various test and evaluation laboratories, performing measurements on current EO/IR sensor systems and developing new measurement capabilities for novel sensing systems.
• Configure camera and test equipment for capture, using a variety of software packages including NVlabCap.
• Compare measured results with sensor model predictions.
• Support team members in spatial and temporal measurements of systems in the lab and in the field.
• Support data collection and other test events for various projects.
• Technical writing / technical reports.
• Recommending process improvements.
• Troubleshooting and problem solving.

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