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Updated twice daily · Oct 18, 2026
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Principal Optical Engineer - 3

Northrop GrummanChandler, AZFull-time$108,200.00 - $162,400.00

This engineer will contribute to seeker and launch-vehicle hardware by developing optical designs, performance models, tolerances, error budgets, and requirements. The position works closely with structural, thermal, optomechanical, systems, electrical, manufacturing, and test teams to ensure designs are stable, manufacturable, and verifiable. Responsibilities include STOP and SILOS analysis, CAD and optomechanical design reviews, environmental testing, alignment and calibration, and troubleshooting performance issues. The engineer will also present technical findings during internal and customer design reviews and help correlate analytical predictions with test results. This opportunity suits an experienced optical professional who is comfortable working on complex, high-reliability electro-optical systems and who holds an active Secret clearance.

Requirements

Bachelor’s degree with 5 years of relevant experience, or equivalent advanced-degree experienceActive U.S. Secret security clearanceExperience designing or analyzing imaging, sensing, or seeker optical systemsProficiency with optical modeling tools such as ZEMAX, Code V, or FREDUnderstanding of STOP/SILOS, optical tolerancing, and environmental effects on performanceExperience with 3D CAD and strong technical communication skills
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Listed October 16, 2026 · Verify details with the employer before applying.

About Northrop Grumman

Defense contractor reporting 3,800+ Arizona workers (Oct. 2025); opened a Gilbert satellite building in October 2026 and says 350 jobs are moving there.

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