Jobs in El Segundo, CA
184 open roles — posted here, and found on employers' own careers sites.
Electrical Engineer II
CesiumAstro
Full-time · El Segundo, CA · $100,000 – $121,000
This role involves designing and testing electronics for satellite and aerospace systems, including engine control boards, sensors, and avionics hardware from prototype through flight qualification. It suits someone who wants hands-on electrical engineering work in the space industry with a collaborative team environment.
Listed on CesiumAstro’s careers site · Apply there ↗
Cost Estimating Manager – Millennium Space Systems
Boeing
El Segundo, CA
Listed on Boeing’s careers site · Apply there ↗
Senior Propulsion Engineer I
CesiumAstro
Full-time · El Segundo, CA · $140,000 – $168,000
Senior Propulsion Engineer I leads the design, development, analysis, and testing of liquid rocket engine hardware and propulsion subsystems for satellites and launch vehicles. This role suits engineers who want hands-on ownership of flight hardware from concept through qualification and flight readiness.
Listed on CesiumAstro’s careers site · Apply there ↗
Industrial Security Manager – Millennium Space Systems
Boeing
El Segundo, CA
Listed on Boeing’s careers site · Apply there ↗
Turbomachinery Engineer II
CesiumAstro
Full-time · El Segundo, CA · $108,000 – $129,900
This role focuses on designing and optimizing turbopump components for advanced rocket engines, from initial concept through flight-qualified hardware. It suits engineers who thrive in fast-paced aerospace environments and enjoy hands-on problem-solving across multidisciplinary teams.
Listed on CesiumAstro’s careers site · Apply there ↗
Experienced Production Operations Specialist (Harness) 1st Shift- Millennium Space Systems
Boeing
El Segundo, CA
Listed on Boeing’s careers site · Apply there ↗
Combustion Devices Engineer II
CesiumAstro
Full-time · El Segundo, CA · $108,000 – $129,900
This role involves designing and developing combustion devices for satellite and aerospace applications, managing projects from initial concept through manufacturing and testing phases. The position suits engineers with hands-on experience in propulsion systems, hardware development, and iterative design who want to work on space technology.
Listed on CesiumAstro’s careers site · Apply there ↗
Payload Mechanical Design Engineer – Entry Level
Boeing
El Segundo, CA
Listed on Boeing’s careers site · Apply there ↗
Senior Valve Design Engineer I
CesiumAstro
Full-time · El Segundo, CA · $118,000 – $142,000
A hands-on design role focused on pneumo-hydraulic valve systems for aerospace applications, reporting to leadership and mentoring other engineers. Suited for someone with CAD and simulation expertise who wants to drive technical direction in a startup environment.
Listed on CesiumAstro’s careers site · Apply there ↗
Autonomy Engineering Manager - Millennium Space Systems
Boeing
El Segundo, CA
Listed on Boeing’s careers site · Apply there ↗
RF Systems Architect
CesiumAstro
Full-time · 3 locations · $218,000 – $266,000
This role leads the architectural design of advanced radar and RF sensing systems for satellites and airborne platforms, emphasizing phased array technology and signal collection capabilities. It suits experienced RF engineers with deep expertise in space-based payload systems who want to drive next-generation intelligence and reconnaissance platform development.
Listed on CesiumAstro’s careers site · Apply there ↗
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Experienced Space Systems Modeling & Simulation Engineer
Boeing
El Segundo, CA
Listed on Boeing’s careers site · Apply there ↗
Principal Power Electronics Engineer I
CesiumAstro
Full-time · 4 locations
CesiumAstro is hiring a power electronics engineer to design and oversee the development of next-generation power systems for satellite communication terminals used in military and commercial applications. This role suits someone with deep expertise in power electronics architecture and circuit design who wants hands-on involvement across the full product lifecycle from initial concept through manufacturing.
Listed on CesiumAstro’s careers site · Apply there ↗
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Data Platform & Analytics Manager – Millennium Space Systems
Boeing
El Segundo, CA
Listed on Boeing’s careers site · Apply there ↗
Principal Component Engineer I
CesiumAstro
3 locations · $148,500 – $199,000
Listed on CesiumAstro’s careers site · Apply there ↗
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Portfolio Mission Senior Manager - Millennium Space Systems
Boeing
El Segundo, CA
Listed on Boeing’s careers site · Apply there ↗
Power Electronics Engineer II
CesiumAstro
Full-time · El Segundo, CA · $106,500 – $142,500
A Power Electronics Engineer II role supporting the development of power systems for satellites and space platforms, from architecture and circuit design through PCB layout, testing, and manufacturing. This suits engineers with hands-on spacecraft power electronics experience who want to work across the full lifecycle of next-generation hardware.
Listed on CesiumAstro’s careers site · Apply there ↗
Senior Manager, Launch Systems Integration - Millennium Space Systems
Boeing
El Segundo, CA
Listed on Boeing’s careers site · Apply there ↗
Principal Launch Vehicle Design Engineer II
CesiumAstro
Full-time · El Segundo, CA · $148,500 – $199,000
CesiumAstro seeks a senior engineer to lead the structural and thermal design of launch vehicle components from concept through flight qualification. This role suits someone with deep aerospace systems expertise who can both solve complex technical problems and mentor junior engineers in a startup setting.
Listed on CesiumAstro’s careers site · Apply there ↗
Associate Space Communications Systems Engineer Analyst
Boeing
El Segundo, CA
Listed on Boeing’s careers site · Apply there ↗
Senior Power Electronics Engineer II
CesiumAstro
Full-time · 4 locations · $126,000 – $182,500
This role leads full-stack power electronics design for satellite and aerospace systems, from concept through testing and delivery in a startup environment. It suits experienced engineers who want hands-on technical work with direct business impact and are comfortable presenting designs to customers and leadership.
Listed on CesiumAstro’s careers site · Apply there ↗
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RF Electrophysics Engineer (Experienced)
Boeing
El Segundo, CA
Listed on Boeing’s careers site · Apply there ↗
Principal Project Engineer
Boeing
El Segundo, CA
Listed on Boeing’s careers site · Apply there ↗
Electrophysics Engineer/Scientist – (Experienced, Lead, or Senior)
Boeing
El Segundo, CA
Listed on Boeing’s careers site · Apply there ↗
RF/Microwave Electrical Engineers – (Lead, Senior, or Principal)
Boeing
El Segundo, CA
Listed on Boeing’s careers site · Apply there ↗