196 linux system engineer jobs at 79 companies in Simi Valley, CA
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
System Test Engineer /Principal System Test Engineer
Palmdale, California, United States
$83k-$155k/yrOnsiteFull Time
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEActive U.S. Top Secret clearance, STEM degree, 2+ years related experience (level dependent), Python scripting, system test/SW or systems engineering experience, Windows/Linux and VM proficiency.
System Test Engineer /Principal System Test Engineer
Palmdale, California, United States
$83k-$155k/yrOnsiteFull Time
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEActive U.S. Top Secret clearance, B.S. in STEM (or advanced degree), 2+ years related experience (level dependent), Python scripting, Windows/Linux and VM experience, system test and SW development familiarity.
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
5+ YOEBachelor's in Electrical/Computer Engineering or related field; 5 years embedded firmware and testing or 3 years with advanced degree; experience with embedded Linux, C/C++, Python; US citizen for government contracts.
Sphere EntertainmentNYSE: SPHR: Operates immersive entertainment venues and regional sports media networks.
8+ YOE8+ years building and operating secure cloud infrastructure and services, strong Linux/Windows/MacOS, containers, IaC, CI/CD, monitoring, scripting, and collaboration skills for production VFX/post workflows.
Curtiss-WrightNYSE: CW: Engineers and manufactures critical components for aerospace and defense.
7+ YOE7+ years experience supporting US DoD primes, expert in systems engineering, requirements management, DOORS and Cameo, ClearQuest/JIRA, Linux/VxWorks, SOSA/VPX and serial protocols; BS in CS/SE/EE preferred.
Riot Games: Developing and publishing competitive multiplayer video games.
5+ YOE5+ years in systems/support/infrastructure engineering; experience with Ansible, Terraform, Jenkins, virtualization, containerization, imaging/deployment tools, Linux/Windows, scripting, Git, and cloud platforms; able to reduce operational toil and support global events.
Apex: Mass-manufactures standardized satellite buses for commercial and government use.
Bachelor's in a technical field, strong software engineering background, experience troubleshooting lab/integration/field systems, familiarity with Linux/Python/C/C++, ability to read technical documentation, and willingness to travel to customer sites.
Linux, Python, C/C++, Networking, test automation, APIs
Green DotNYSE: GDOT: Provides mobile banking and payment solutions to consumers and businesses.
5+ YOE5+ years systems engineering experience; expertise with Kubernetes, Linux, cloud operations (Azure preferred); automation with Git Ops, Ansible, Terraform, Claude AI; monitoring with Datadog/Prometheus; scripting in Python/Bash/PowerShell; security/compliance (PCI DSS, SOC 2); on-call participation.
Senior Software Engineer | Satellite Payload Model Developer
El Segundo, California, United States
$172k-$232k/yrOnsiteFull Time
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
5+ YOE5+ years software engineering experience with C++, Java, Python, multi-threaded systems, Git/Linux; active U.S. Secret clearance (U.S. Person); BS degree in relevant field or equivalent; experience with low-level systems, networking, and hardware emulation.
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
Degree in engineering/CS/physics or equivalent experience; strong Linux, networking, hardware integration, and scripting (Python/Bash) skills; systems debugging and field deployments; willingness to travel (~50%).
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOE1+ years hands-on experience with client/server hardware, networking, Linux/Windows, scripting and automation; bachelor's in CS/engineering/math or 2+ years software experience in lieu; HPC and systems engineering experience preferred.
Revolution Space: Building advanced in-space propulsion systems for satellites.
10+ YOEBachelor's degree and 10+ years systems engineering experience; strong programming (Python, C++, Java, JavaScript), Linux/Windows Server, networking, V&V knowledge, MS Excel/DOORS, ability to obtain U.S. government security clearance; U.S. person required.
Python, C++, Java, JavaScript, Linux, Windows Server, TCP/IP, DNS, Microsoft Excel, DOORS, AWS, Azure, GCP, Ansible, Docker, Kubernetes, SysML, Model-Based Systems Engineering (MBSE), Large Language Models
CX2: Builds AI-powered platforms for electromagnetic spectrum defense.
5+ YOEBachelor's degree,5+ years avionics or aerospace systems integration experience,hands-on troubleshooting of hardware/software/networking,Linux proficiency,IP networking and avionics protocol experience.
Barcelona or Buenos Aires or Lima or Rio de Janeiro or London or Paris or New Jersey or Oslo or Los Angeles or Singapore or Tokyo or Manila or Bangkok or Lagos
OnsiteFull Time
BMAT: Indexes music usage and ownership data for the industry.
5+ YOE5+ years IT systems administration; Linux OS, Python 3 or BASH, Puppet/Ansible, Terraform, OpenVPN/IPsec, SSH/SSL, TCP/IP, DNS, HTTP and SQL; SaaS/cloud management; strong communication and English fluency.
Los Angeles or New York or San Francisco or Remote or International or Singapore
$250k-$450k/yrHybridFull Time
Luma AI: Generative AI for high-quality video and 3D modeling.
Strong systems integration with robots, drivers, sensors, real-time control; ROS/ROS2, Python, Linux; debugging across the stack; proven ability to set up complex robot setups.
Singularity Defense: Develops low-cost autonomous missile and air defense systems.
7+ YOE7+ years flight software experience, strong C/C++ for performance-critical systems, degree in computer science or computer engineering, real-time software and sensor integration experience, Linux embedded and hardware debugging skills.
Edison InternationalNYSE: EIX: Generating and distributing electricity to customers in Southern California.
7+ YOE7+ years supporting complex utility or real-time systems; experience with EMS/SCADA, grid applications, troubleshooting, and stakeholder collaboration; bachelor’s preferred.
Revel: Modern software platform for controlling complex hardware systems.
0+ YOEBachelor's degree in engineering/physics/computer science,0–2 years' software experience,foundational Python,interest in CI/CD,embedded testing and Linux familiarity,ability to work on hardware-in-the-loop systems,ITAR-eligible status required.
Inversion Space: Building autonomous re-entry vehicles for global space-to-Earth cargo delivery.
5+ YOEBachelors in engineering/CS or equivalent, 5+ years developing low-level embedded C/C++ for real-time systems, RTOS experience (FreeRTOS/RTEMS/VxWorks), hardware bring-up and debug, Python and Linux experience preferred.