Systems Engineer jobs in California

NVIDIA

Full-time · Santa Clara, CA · $184,000 – $356,500

NVIDIA is hiring a Senior Systems Software Engineer to develop and validate GPU server platforms, working on bring-up, integration, and troubleshooting of data center compute systems. The role suits someone with deep expertise in server architecture, firmware, and hardware-software integration who enjoys hands-on debugging and cross-team collaboration.

Listed on NVIDIA’s careers site · Apply there ↗

Relativity Space

Full-time · Long Beach, CA · $164,000 – $246,000

Relativity Space seeks a systems engineer to lead integrated testing and vehicle development for their Terran R rocket, owning test campaigns from planning through hotfire execution. This role suits experienced aerospace engineers who thrive solving first-time problems across multiple disciplines while balancing speed and risk in a fast-moving startup environment.

Listed on Relativity Space’s careers site · Apply there ↗

Terran Orbital

Full-time · Irvine, CA · $100,000 – $140,000

This role supports the development and verification of spacecraft systems throughout their lifecycle, from initial design through flight operations. It suits engineers with satellite experience who can manage subsystem specifications, perform technical analyses, and coordinate across multidisciplinary teams to deliver defense and commercial satellite missions.

Listed on Terran Orbital’s careers site · Apply there ↗

Together AI

Full-time · San Francisco, CA · $200,000 – $300,000

A research engineering role focused on developing and optimizing GPU kernels for machine learning applications, requiring deep expertise in parallel computing and CUDA/Triton. This suits experienced systems engineers who want to drive performance innovations at the intersection of GPU architecture and AI infrastructure.

Listed on Together AI’s careers site · Apply there ↗

Voyager

Full-time · Folsom, CA · $153,615 – $199,400

A senior technical leadership role overseeing large-scale defense and aerospace programs, where you will guide system architecture, manage multiple engineering teams and subcontractors, and serve as the primary technical authority for customers and executive leadership. This suits experienced systems engineers with deep DoD program expertise who want to move into enterprise-level technical leadership.

Listed on Voyager’s careers site · Apply there ↗

KLA-Tencor

Full-time · Milpitas, CA · $159,500 – $271,200

KLA seeks a Systems Design Engineer to lead the development and integration of advanced electron beam systems for semiconductor manufacturing equipment. This role suits experienced engineers with deep expertise in systems engineering, electronics, and semiconductor equipment who thrive on solving complex multidisciplinary technical challenges.

Listed on KLA-Tencor’s careers site · Apply there ↗

Boeing

Full-time · El Segundo, CA · $104,550 – $172,000

This role leads the design and validation of fault detection, isolation, and response systems for satellites, along with autonomous spacecraft behaviors that keep missions safe and operational. It suits mid-to-senior engineers with substantial spacecraft experience who want to architect mission-critical autonomy systems and may guide other team members.

Listed on Boeing’s careers site · Apply there ↗

Relativity Space

Long Beach, CA · $164,000 – $225,500

This role leads the design and integration of fluid systems for a launch vehicle, ensuring propellant, pressurant, and pneumatic subsystems work together reliably from concept through flight. It's suited to an experienced engineer who wants ownership of complex aerospace systems and direct involvement with hardware on the factory floor.

Listed on Relativity Space’s careers site · Apply there ↗

Boeing

Full-time · El Segundo, CA · $119,850 – $162,150

This role involves designing and testing satellite ground control systems for military communications, working through the full lifecycle from requirements analysis to system integration and verification. It suits engineers with systems engineering experience who want to grow their skills in C2 systems while contributing to defense technology in a collaborative team environment.

Listed on Boeing’s careers site · Apply there ↗

Voyager

Folsom, CA · $103,100 – $151,400

A mid-level project engineer role supporting defense and aerospace programs, responsible for technical coordination, scheduling, and cross-functional integration across engineering disciplines. Suited for someone with 4–7 years in systems or project engineering who thrives coordinating complex programs and can obtain a security clearance.

Listed on Voyager’s careers site · Apply there ↗

Relativity Space

Long Beach, CA · $109,000 – $163,000

This role involves managing the development and testing of Relativity's Terran R rocket vehicle, balancing technical requirements with manufacturing scalability and reliability. You'll work across all engineering disciplines to define how the rocket gets built, tested, and launched, owning verification activities and solving novel challenges in vehicle integration.

Listed on Relativity Space’s careers site · Apply there ↗

Boeing

Full-time · El Segundo, CA · $176,800 – $239,200

Boeing seeks an experienced systems engineer to oversee end-to-end space system design, from interface definition through test and verification for government and commercial satellite programs. The role suits someone with aerospace or defense background who can lead technical trades and manage complex requirements across multiple teams.

Listed on Boeing’s careers site · Apply there ↗

Boeing

Full-time · El Segundo, CA · $98,600 – $197,800

Boeing is hiring systems engineers to design and develop advanced satellite communication payloads and RF systems for government and commercial space programs, overseeing everything from initial concept through on-orbit operations. This role suits engineers with space or communications payload experience who can lead complex technical trades, perform system analysis, and manage integration across internal and external teams.

Listed on Boeing’s careers site · Apply there ↗

Boeing

Full-time · Seal Beach, CA · $119,850 – $162,150

Boeing is hiring a systems engineer to lead development of satellite ground mission planning systems, working with cross-functional teams on requirements, architecture, integration, and test. This role suits experienced engineers who want to advance their technical leadership skills while staying hands-on with cutting-edge defense technology.

Listed on Boeing’s careers site · Apply there ↗