Optical Engineering Intern

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    CACI International Inc

    Expanding the limits of national security

    10,001+ employeesFounded 1962Reston, VirginiaDefense and Space Manufacturing
    Actively hiringPaidSummer 2027Defense and Space Manufacturing
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    Best applied by Oct 31

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    About the role#

    As an Optical Engineering Intern, you will join a team focused on the development of large reflective remote sensing systems. You will partner with optical specialists and cross-functional teams to solve technical problems, gaining hands-on experience with advanced optical and opto-electronic systems. You will contribute to the full development cycle, from initial design concepts to final system testing.

    What you'll do#

    • Support projects related to large reflective remote sensing systems.
    • Perform optical system modeling and design tasks.
    • Analyze interferometric data using tools such as 4D or MetroPro.
    • Create and review error budgets for SFE/WFE performance.
    • Model optical characteristics, including PSD or Encircled Energy.

    What you'll need#

    • Currently pursuing a Master's degree in Optical Engineering or a closely related field.
    • Understanding of geometrical optics and Fourier optics.
    • Experience or coursework in optical system modeling.
    • Familiarity with interferometry and related analytical tools.
    • Legal authorization to work in the United States without employer sponsorship.
    • Ability to successfully complete a pre-employment drug screening.
    • A GPA of 3.0 or higher is preferred.
    • Previous internship, co-op, or other work experience is preferred.

    Location & details#

    • This is a summer 2027 internship based in Danbury, Connecticut.
    • The role is fully on-site.
    • This is a paid, part-time position.
    Relevant fieldsOther

    About CACI International Inc

    CACI International Inc provides technology and expertise for national security missions. The company operates in sectors including defense, intelligence, cyber, and space. Founded in 1962, it maintains its headquarters in Reston, Virginia. The organization employs over 27,000 people and is a member of the Fortune 500.

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