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970 operating systems engineer jobs at 501 companies in California

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Operating Engineer
Chico, California, United States
OnsiteFull Time
California State University
California State University: Public university system providing higher education and academic research.
2+ YOEOperate and maintain boiler/chiller systems; night shift; two years of hands-on experience; related vocational training may substitute.
Building automation software, HVAC systems
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Junior Operating Systems Engineer (Embedded Linux / Yocto)
San Diego, California, United States
OnsiteFull Time
Accelint
Accelint: Provides AI-driven autonomous systems for national security missions.
Active U.S. national security clearance eligibility, experience building custom Linux images with Yocto/BitBake, OS hardening, debugging boot/kernel/driver issues on embedded x86, and writing documentation.
Yocto Project, BitBake, Buildroot, Rocky Linux, RHEL, Suricata, Zeek
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Platform Security Engineering, Operating Systems
San Francisco or New York City or Seattle
$320k-$405k/yr HybridFull Time
Anthropic
Anthropic: Developing safe and reliable artificial intelligence systems.
Deep Linux internals and kernel security knowledge, C and systems programming, eBPF experience, familiarity with SELinux/AppArmor/seccomp, track record fixing OS-level vulnerabilities; bachelor's degree or equivalent.
Linux, SELinux, AppArmor, Linux Security Modules, seccomp, eBPF, C, SEV, TDX, SGX, TPM, HSM
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Operating Engineer
Los Angeles, California, United States
$47-$55/hr OnsiteFull Time
Cushman & Wakefield
Cushman & WakefieldNYSE: CWK: Global commercial real estate and property services firm.
5+ YOE5+ years in operating mechanical, electrical, and plumbing systems; HS diploma or GED; trade licenses; driver license; experience in commercial properties; knowledge of energy management systems.
Outlook, Excel, Word, Energy management systems, HVAC, Boilers, Pumps, Refrigeration
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Operating Engineer-Plant
Los Angeles, California, United States
$40-$47/hr OnsiteFull Time
Kaiser Permanente
Kaiser Permanente: Provides integrated medical care and health insurance plans.
3+ YOE3+ years plant operations and maintenance experience; associate degree in engineering/technical discipline; steam engineer license or 500 HP license, universal chlorofluorocarbons certificate, valid driver's license; ability to operate and maintain boilers, HVAC, plumbing, electrical and automation systems.
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Operating Engineer
Brea, California, United States
$55k-$57k/yr OnsiteFull Time
JLL
JLLNYSE: JLL: Global commercial real estate and investment management services.
4+ YOEHigh school diploma; 4+ years in electrician/HVAC or emergency backup systems; skilled with tools; OSHA knowledge; able to lift 60 lbs.
Electrical tools, HVAC equipment, Pumps, Motors, Conduit, Wiring
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Operating Engineer
Los Angeles, California, United States
$41/hr OnsiteFull Time
Marriott International
Marriott InternationalNASDAQ: MAR: Operates and franchises a global network of hotels and resorts.
Perform preventive and corrective maintenance on HVAC, electrical, plumbing, kitchen and building systems; driver’s license required; some general maintenance experience preferred.
Lockout/Tagout
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Systems Engineer III
San Diego, California, United States
$147k-$161k/yr HybridFull Time
XSITE
XSITE: Provides systems engineering and integration for defense and space.
7+ YOEBachelor's in engineering required; 7 years professional experience integrating network operating systems, applications, and hardware; experience across specification, design, coding, testing, implementation, documentation, and cross-functional coordination.
AI/ML, MBSE, Modeling & Simulation
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Systems Engineer (Esports)
Los Angeles, California, United States
$149k-$208k/yr OnsiteFull Time
Riot Games
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.
Ansible, Terraform, Jenkins, VMware, Hyper-V, Proxmox, AHV, Docker, FOG, SCCM, Autopilot, Linux, Windows, PowerShell, Bash, Git, AWS, Azure
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Senior Systems Engineer
El Segundo, California, United States
$180k-$220k/yr OnsiteFull Time
Modern Technology Solutions, Inc.
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
Active TS/SCI clearance and U.S. citizenship required; MA/MS in technical field (or BS with 12+ years); deep experience in classified space control systems engineering, requirements, configuration control, DR boards, ACAT-like reviews, and SAPF/SCIF operations.
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Sr. Systems Engineer
Los Angeles, California, United States
$88k-$131k/yr HybridFull Time
Green Dot
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.
Kubernetes, Linux, Azure, Git Ops, Ansible, Terraform, Claude AI, Datadog, Prometheus, Python, Bash, PowerShell
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V2X Systems Engineer
San Diego or Detroit or Tallahassee or Atlanta or New York or Washington or Nashville
RemoteFull Time
WSP
WSPToronto Stock Exchange: WSP: Provides engineering, design, and environmental consultancy services globally.
7+ YOEBachelor's in Transportation/Civil/Systems Engineering, 7+ years relevant experience, intermediate-to-expert V2X standards knowledge, experience with system deployment/integration/operation and traffic signal controllers, comfortable with government clients.
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Senior Systems Engineer, AI Gateway
Austin or San Francisco
$194k-$266k/yr OnsiteFull Time
Cloudflare
CloudflareNYSE: NET: Provides security and performance services for internet properties.
5+ YOE5+ years building and operating production systems; strong systems engineering, distributed systems, networking, observability, API and developer-platform experience; clear technical communication and mentoring skills.
TypeScript, Go, Rust
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Staff Systems Engineer
Milpitas, California, United States
$130k-$200k/yr OnsiteFull Time
Commonwealth Fusion Systems
Commonwealth Fusion Systems: Designing and building commercial fusion energy power plants.
12+ YOEBachelor's/Master's degree or equivalent experience, 12+ years operating or integrating complex R&D/semiconductor systems, vacuum and thermal systems experience, strong troubleshooting, project scheduling/accounting, cross-functional leadership, ability to lift 25 lbs and work occasional nights/weekends/on-call.
PLC
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Senior Systems Engineer
Goleta, California, United States
$96k-$182k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
5+ YOEBachelor's degree in a STEM field and 5+ years of relevant experience in hardware or environmental testing, with expertise in data analysis, lab operations, and cross-functional engineering.
Vibration Research, Matlab, Asset Management Systems (ARAMIS)
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Systems Engineer, Mission Success & Performance
California or United States
$142k-$208k/yr OnsiteFull Time
Muon Space
Muon Space: Designs, builds, and operates low Earth orbit satellite constellations.
8+ YOEM.S. in engineering plus 8+ years in multi-disciplinary mission design/spacecraft operations/systems architecture; experience with deployed high-reliability systems, AI&T and V&V, autonomy and fault management, Python/Julia skills, and system performance modeling.
Python, Julia, MuSim
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Chief Space Systems Engineer
El Segundo, California, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
16+ YOEBSc + 18 years (or MS + 16 years) experience in space vehicle/payload development, integration, and operations; lead systems engineering teams; apply systems engineering to SV/payload I&T; TS/SCI clearance and polygraph required.
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Systems Process Engineer
El Segundo, California, United States
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
5+ YOE5+ years systems engineering experience on national security space programs, 3+ years systems integration or software deployment experience, Secret clearance, Bachelor's in engineering/math/CS/physics required.
Microsoft Excel, Microsoft PowerPoint, Microsoft Word, Atlassian Jira, Atlassian Confluence
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Power Systems Engineer
Irvine, California, United States
$65k-$108k/yr HybridFull Time
ETAP
ETAP: Electrical power system modeling and analysis software solutions.
1.5+ YOE1.5+ years in electric utility transmission/distribution design or operations; power system analysis software experience; GIS/CAD familiarity; programming/AI for automation; strong written/spoken communication; US work authorization; BS in Electrical Engineering; PE license in CA preferred.
Revit, AutoCAD, ETAP, SKM, EMTP-RV, PSCAD, CYME, PSLF, GIS, MEP, CAD
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GROUND C2 SYSTEMS ENGINEER
Camp Pendleton, California, United States
$95k-$125k/yr OnsiteFull Time, Part Time
Lumbee Holdings
Lumbee Holdings: Provides government contracting, IT, and construction services.
4+ YOERequires four years operating, administering, training, or testing ground C2 systems and expertise in developmental test and evaluation of C5I systems. Bachelor's degree and VMware, Red Hat, Windows Server, Cisco, and Security+ experience are desired.
Joint Tactical Common Operational Picture (COP) Workstation (JTCW), Tactical COP Server (TCS), Global Command and Control System (GCCS), Tactical Service Oriented Architecture (TSOA), Common Hosting Environment (CHE), Combat Data Network (CDN), Joint Battle Command - Platform (JBC-P), MAGTF Common Handheld (MCH), VMware ESXi, Red Hat Enterprise Linux, Windows Server, Cisco, Mobile MAGTF Test Suite (M2TS)
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