Systems Engineer jobs in California

Federal Aviation Administration

Fremont, CA · $113,195 – $175,437

This is a senior technical leadership role overseeing the complex electronics systems that support air traffic control and navigation across the National Airspace System. The position suits experienced engineers who can manage multiple facilities, solve critical system problems independently, and represent the organization to internal and external stakeholders during both routine operations and emergencies.

Via USAJOBS · Apply there ↗

Relativity Space

Full-time · Long Beach, CA · $123,000 – $198,000

This Systems Engineer role involves managing the technical development, verification, and operability of Relativity's Terran R rocket vehicle across its lifecycle. You'll work cross-functionally to balance performance, cost, and schedule while owning test campaigns, manufacturing coordination, and quality consistency from build through launch.

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

Terran Orbital

Full-time · Irvine, CA · $200,000 – $255,000

This role leads the design and integration of advanced satellite systems for a defense and commercial aerospace manufacturer, requiring deep expertise across multiple spacecraft subsystems and the ability to architect complex solutions from concept through deployment. It suits experienced systems engineers with 12+ years in space systems who can mentor teams and work with government stakeholders to deliver next-generation orbital capabilities.

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

Modal

San Francisco, CA · $220,000 – $300,000

Modal is hiring a systems engineer to build and optimize the container runtime infrastructure that powers their AI inference and training platform. You'll work on performance problems spanning Linux, storage, GPUs, and distributed systems if you enjoy debugging deep in the stack and shipping production systems that handle demanding workloads at scale.

Listed on Modal’s careers site · Apply there ↗

Astranis

Full-time · San Francisco, CA · $180,000 – $240,000

This role involves designing and operating satellite ground station systems for commercial and government customers, combining hands-on systems engineering with proposal support and customer engagement. It suits experienced RF engineers who want to contribute to both technical architecture and business capture activities.

Listed on Astranis’s careers site · Apply there ↗

Voyager

Full-time · Folsom, CA · $103,100 – $151,400

This role leads systems engineering activities on missile defense programs, managing requirements, verification planning, and risk assessments across the development lifecycle. It suits mid-to-senior engineers with aerospace or defense experience who can coordinate across functional teams and work within structured, mission-critical environments.

Listed on Voyager’s careers site · Apply there ↗

KLA-Tencor

Milpitas, CA · $136,300 – $231,700

KLA is hiring a systems design engineer to develop and optimize electron beam inspection systems used in semiconductor manufacturing. You'll partner across hardware and software teams to characterize performance, troubleshoot complex issues, and translate system requirements into subsystem goals for cutting-edge metrology tools.

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

Menlo Ventures Portfolio

Full-time · San Francisco, CA · $205,000 – $270,000

This role builds and maintains financial planning platforms like Pigment and Anaplan, connecting them to data warehouses and ERP systems to support forecasting and reporting. It suits engineers with FP&A domain expertise who can write production code, manage system operations, and work across finance and technical teams.

Listed on Menlo Ventures Portfolio’s careers site · Apply there ↗

Boeing

Full-time · El Segundo, CA · $146,200 – $239,200

Boeing is hiring experienced systems engineers to design and develop satellite communication systems for space-based applications, working through the full lifecycle from concept to deployment. This role suits engineers with substantial digital signal processing expertise who want to work on critical aerospace and defense projects.

Listed on Boeing’s careers site · Apply there ↗

Crane Co.

Full-time · Burbank, CA · $102,372 – $119,579

A systems engineering role at an aerospace supplier focused on brake control and cabin systems for aircraft. This position suits engineers with foundational experience in model-based systems engineering, regulatory compliance (DO-178/254/160), and requirements management who want to contribute to safety-critical aerospace products.

Listed on Crane Co.’s careers site · Apply there ↗

AeroVironment

Full-time · Petaluma, CA · $82,000 – $125,000

This role develops unmanned systems for defense and commercial applications, working across requirements definition, design, prototyping, and testing. It suits engineers with aerospace or systems background who want hands-on involvement across the full development lifecycle of autonomous platforms.

Listed on AeroVironment’s careers site · Apply there ↗

NVIDIA

Santa Clara, CA · $168,000 – $258,750

NVIDIA seeks a senior hardware systems engineer to grow their MGX server ecosystem by enabling partners to design and integrate high-performance data center solutions. This role combines technical leadership across electrical, mechanical, and thermal domains with partner relationship management for a company building the infrastructure behind AI computing.

Listed on NVIDIA’s careers site · Apply there ↗

NIO

Full-time · San Jose, CA · $163,500 – $212,400

NIO seeks a systems researcher to develop the operating system powering their electric vehicles, focusing on kernel optimization, architecture design, and moving research prototypes into production software. This role suits someone with deep systems expertise who wants to apply academic rigor to real-world vehicle software challenges.

Listed on NIO’s careers site · Apply there ↗

Obsidian Securty

Full-time · Palo Alto, CA · $203,000 – $224,000

This role leads the design and operation of identity, endpoint, and IT infrastructure at a rapidly scaling cybersecurity unicorn, owning systems from HR through Okta to the device fleet and writing configuration as version-controlled code. It suits experienced IT architects who have operated production identity platforms at scale, are comfortable with infrastructure-as-code practices, and want to shape how a modern security-first organization automates away manual IT work.

Listed on Obsidian Securty’s careers site · Apply there ↗

LangChain

Full-time · San Francisco, CA · $150,000 – $170,000

LangChain is seeking an IT Systems Engineer to build and scale their IT infrastructure, fleet management, and identity systems as the company grows. This role combines hands-on infrastructure work with platform engineering, security, and SaaS administration for someone who enjoys automation and can thrive in a fast-moving startup environment.

Listed on LangChain’s careers site · Apply there ↗

Together AI

Full-time · San Francisco, CA · $190,000 – $270,000

Build and operate massive GPU infrastructure systems at Together AI, where you'll write software to autonomously manage tens of thousands of accelerators for AI training and inference. This role combines systems engineering with software development, focusing on automation, monitoring, and fleet intelligence rather than manual operations.

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

Intercom

San Francisco, CA · $142,000 – $162,000

A Systems Engineer in IT at Fin (a Salesforce company) who designs and maintains automations across identity management, endpoint security, and email deliverability using modern cloud platforms and AI-native tooling. This role suits engineers with 3–5 years of infrastructure or DevOps experience who want to move into cloud-first, automation-heavy work and are comfortable challenging legacy approaches.

Listed on Intercom’s careers site · Apply there ↗

Bend Studio

Full-time · Los Angeles, CA · $155,900 – $233,900

SIE Studio IT is hiring a senior infrastructure engineer to lead the design and operation of production Linux and Windows systems, storage platforms, and high-availability infrastructure while providing technical direction to a systems administration team. This role suits experienced engineers who can architect enterprise-scale infrastructure, mentor others, and serve as the technical authority during incidents.

Listed on Bend Studio’s careers site · Apply there ↗

Agility Robotics

Full-time · Fremont, CA · $191,000 – $249,000

This role leads systems engineering and functional safety architecture for humanoid robots deployed in industrial settings, requiring deep expertise in safety-critical system design and the ability to balance rigorous safety standards with startup velocity. It suits experienced systems engineers from safety-critical industries who can own complex requirements, drive cross-functional decisions, and translate functional safety standards into real robotics deployments.

Listed on Agility Robotics’s careers site · Apply there ↗

Crusoe

Full-time · San Francisco, CA · $165,000 – $200,000

Crusoe seeks a hands-on Senior Systems Engineer to build and optimize their global IT infrastructure with a focus on identity and access management. This role combines Okta expertise with automation and system integration work to support a rapidly growing AI infrastructure company.

Listed on Crusoe’s careers site · Apply there ↗

Voyager

Full-time · Folsom, CA · $119,415 – $173,700 · Remote

This role leads the technical and programmatic execution of complex defense and aerospace projects, managing integrated teams and ensuring compliance with government contracts. It suits experienced engineers ready to step into leadership on mission-critical programs.

Listed on Voyager’s careers site · Apply there ↗

KLA-Tencor

Milpitas, CA · $117,800 – $200,300

KLA is seeking a Systems Design Engineer to lead mask inspection product development projects within their RAPID division, managing escalations and driving cross-functional collaboration to improve process efficiency and reliability. This role suits someone with 3+ years of technical experience who thrives on solving complex problems in semiconductor manufacturing and has a track record of influencing teams toward operational excellence.

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

Boeing

Full-time · El Segundo, CA · $210,800 – $285,200

Boeing is hiring a Program Chief Engineer to lead systems architecture, requirements, and interfaces for classified space satellite programs. This role suits experienced engineering leaders ready to establish engineering excellence across a portfolio of complex space systems and manage multi-disciplinary teams through full program lifecycles.

Listed on Boeing’s careers site · Apply there ↗