CareerPlan

Optical Systems Engineer (Senior, Principal) - Millennium Space Systems

USA - El Segundo, CAFull-time2026-08-26 → 2026-11-09

Core

Design, model, and validate optical systems for spaceborne electro-optical (EO)/Infrared (IR) sensors, laser rangefinders, and optical communication terminals to support national security missions like missile warning and Earth observation.

Role type

Senior/Principal Optical Systems Engineer (Space Systems)

Builds

Space vehicle interfaces, EO/IR payloads, star trackers, and laser communication systems for direct programs and IRAD efforts.

Domain

Aerospace & Defense / Space Systems / Electro-Optics

Required skills

Optical systems engineering, mission phenomenology modeling, detection performance analysis, ground and on-orbit test execution, supplier performance management, project coordination, budget and schedule tracking, new business proposal support

Preferred skills

Space-to-space and space-to-ground laser communication, team mentorship, satellite optical instrumentation design and operation, optical data processing, link budget development, hardware design integration and qualification

Technologies

EO/IR sensors, Laser rangefinders, Optical Communications Terminals (OCT), Star trackers, Space vehicle interfaces

Responsibilities

Develop and validate mission and unit level requirements for EO/IR sensors and laser systems; Design and implement modeling and simulation of optical systems; Develop and execute unit and system level tests on the ground and on-orbit; Manage supplier and partner performance; Manage complex projects by coordinating work statements and tracking budget/schedule; Support large-scale new business proposals

Seniority

Senior/Principal, hands-on IC with significant mentorship responsibilities