Optical Engineering Intern — Hands-On Optics & Systems

CACI International Inc.; Danbury, Northern (CT, KY); Hybrid; USD 56,000 - 111,000; Part time

Job summary

CACI International Inc. invites an Optical Engineering Intern for Summer 2027 in Danbury, CT. The role focuses on modeling optical systems, performing interferometric analysis, and supporting full development from idea to testing.

You will work with optical specialists and cross-functional teams on challenging projects involving Zemax and other analysis tools, gaining hands-on experience in advanced optical and opto-electronic systems.

Qualifications

• Currently pursuing a Master’s degree in Optical Engineering or closely related field.
• Understanding of geometrical optics and Fourier optics.
• Experience or coursework in optical system modeling.

Responsibilities

• Model optical systems and perform design tasks for reflective remote sensing projects.
• Conduct interferometric data analysis using standard tools.
• Review and help create error budgets for system performance.
• Support hands-on optical engineering work across the development cycle.

Skills

Geometrical optics

Fourier optics

Optical system modeling

Interferometry

Zemax

Data analysis

Education

Master's degree in Optical Engineering

Tools

Zemax

4D

MetroPro

Job description

CACI International Inc. invites an Optical Engineering Intern for Summer 2027 in Danbury, CT. The role focuses on modeling optical systems, performing interferometric analysis, and supporting full development from idea to testing.

You will work with optical specialists and cross-functional teams on challenging projects involving Zemax and other analysis tools, gaining hands-on experience in advanced optical and opto-electronic systems.