Mechanical Engineering Intern - Summer 2026

CACI International•Fairfax, VA

21h•Onsite

About The Position

CACI is seeking a talented, creative, and highly motivated Mechanical Engineering Intern for Summer 2026 at our Fairfax, VA location! The internship will begin in May, last 12 weeks and will require you to work 100% on-site. Join our dynamic, collaborative team and contribute to the design and development of advanced antenna and RF systems. Be part of a team that values your input and fosters a learning environment, making a meaningful impact on real-world projects from day one.

Requirements

Currently pursuing an undergraduate or graduate degree in Mechanical 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
Familiarity with and interest in 3D CAD, FEA and CFD simulation, Fabrication, and 3D printing
Strong written and verbal communications skills
Self-motivated, detail-oriented, ability to work independently
Strong interpersonal, problem solving, and organizational skills

Nice To Haves

Experience with SolidWorks, SolidWorks Simulation, or SolidWorks Flow Simulation
Experience with SolidWorks PDM
Minimum GPA of 3.0 or higher is preferred, but not required

Responsibilities

You will work under the leadership of a technical manager that will provide OJT and mentorship.
Tasks will include mechanical assembly of parts; creation of assembly, test, and integration documentation; mechanical design of 3D parts; creation of 3D and CNC parts; and other tasks as assigned.