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319 operating systems engineer jobs at 198 companies in Vacaville, CA

1mo
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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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2w
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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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Sr. Systems Engineer, Sales & Marketing
San Francisco or Seattle or United States
$132k-$273k/yr RemoteFull Time
Pinterest
PinterestNYSE: PINS: Visual discovery engine for finding inspiration and creative ideas.
10+ YOE10+ years engineering experience; proficiency in Python and at least one of Java, Node.js, or Javascript; experience building/operating distributed systems, GenAI/ML integrations, Salesforce integrations, and working with cloud platforms (e.g., AWS).
Python, Java, Node.js, Javascript, AWS, REST, gRPC, LLM, Cursor, Claude Code, Salesforce, Sales Cloud, Service Cloud
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Field Systems Engineer
Davis, California, United States
$120k-$140k/yr FieldFull Time
Terabase Energy
Terabase Energy: Digital and automation platform for utility-scale solar plants.
5+ YOE5+ years experience in manufacturing/field operations or system/network administration; deep knowledge of MES, PLCs, network management; strong troubleshooting, analytical, and communication skills; ability to work independently on site across the continental US.
Manufacturing Execution System (MES), Structured Text, Object-oriented programming, Fanuc, Beckhoff, TwinCAT, Programmable Logic Controller (PLC)
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3mo
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Networking Operating System Firmware Engineer
San Francisco, California, United States
$266k-$445k/yr HybridFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
Networking OS firmware, NOS images, Linux kernel, switch ASICs, SAI; strong C/C++, Python, Go or Rust; experience with NOS stacks (SONiC, FRR) and OpenAI-scale infrastructure.
SONiC, FRR, Linux, SAI, ASIC_SDK, C/C++, Python, Go, Rust
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IT Systems Engineer
San Francisco or New York City or London
$116k-$174k/yr OnsiteFull Time
Vercel
Vercel: Frontend cloud platform for building and hosting web applications.
Experienced in scripting, APIs, automation and integrations; able to consolidate SaaS tools, improve workflows, and collaborate cross-functionally with Security, Compliance, and People Operations.
Okta, Google Workspace, Slack, MDM, ITSM, Bash, Python, Workato, Zapier, Next.js, AI SDK
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Systems Engineer, VDI Platform
Livingston or New York or Sunnyvale or San Francisco or Bellevue
$207k-$275k/yr OnsiteFull Time
CoreWeave
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
Hands-on experience building and operating cloud infrastructure (AWS/Azure/GCP), Linux and Windows endpoint administration, IaC and config management (Terraform, Ansible, Chef, Packer), identity integration (Teleport, Okta), endpoint security agents, scripting (Python/Bash), and observability/SIEM integration.
Teleport, Okta, Ubuntu, Windows 11, Packer, Chef, CrowdStrike, Netskope, BlastShield, PCoIP, HP Anyware, Python, Bash, PowerShell, Terraform, Ansible, SIEM, AWS, Azure, GCP, MDM, Microsoft Intune
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Distributed Systems Engineer, Data & Inference Platform
San Francisco or Fremont or Palo Alto or Berkeley or Sunnyvale or Mountain View or San Jose or Oakland or Redwood City
HybridFull Time
Adaption
Adaption: Develops efficient AI systems that adapt in real-time.
5+ YOE5+ years building and operating distributed systems; experience with Ray/Spark/Flink/Beam/Dask; Python and at least one systems language; GPU/accelerator stack; Kubernetes; incident ownership.
Python, Go, Rust, C++, CUDA, NCCL, Ray, Spark, Flink, Beam, Dask, Kubernetes, TensorRT-LLM, Iceberg, Delta, Hudi
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2d
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Staff Systems Test Engineer, Scenario Quality and Maintenance Systems
Mountain View or San Francisco
$230k-$284k/yr HybridFull Time
Waymo
Waymo: Autonomous driving technology for ride-hailing and logistics.
8+ YOEBachelor's degree in a relevant technical field; 8+ years in test engineering, QA, software development in test, SRE, or technical operations; Python/C++, SQL, scalable testing, and automation strategy experience.
Python, C++, SQL, AQL, Lean, Six Sigma
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Sales Systems Engineer, Enterprise Operations
San Francisco or New York City or Austin
$200k-$230k/yr HybridFull Time
Perplexity
Perplexity: AI-powered search engine providing conversational answers with citations.
5+ YOE5+ years in Sales Systems or RevOps at a high-growth SaaS company; Salesforce expertise; CPQ experience; strong SQL; reverse ETL and iPaaS; REST APIs; Python/JavaScript.
Snowflake, Salesforce, CPQ, Workato, Polytomic, Hightouch, Census, dbt, Python, JavaScript, REST APIs, Zapier, Tray, NetSuite, Apollo, Unify
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Software Engineer, Systems Generalist
San Francisco, California, United States
$350k-$475k/yr HybridFull Time
Thinking Machines
Thinking Machines: Building AI systems to extend human will and judgment.
Bachelor's degree or equivalent, proficiency in Python or Rust, experience operating large-scale clusters and Kubernetes or Slurm, and end-to-end ownership of infrastructure projects.
Python, Rust, Kubernetes, Slurm, Spark
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Infrastructure & Systems Lead
San Francisco, California, United States
OnsiteFull Time
Pantograph
Pantograph: Building generally intelligent, affordable robots using internet-scale video training.
Experience designing and operating large-scale distributed systems, managing computer fleets, GPU performance optimization (including CUDA), real-time embedded systems, petabyte-scale storage, networking, and video pipelines.
CUDA, Rust
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2mo
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Software Engineer, Distributed Systems
San Francisco or Alameda County or Contra Costa County or Marin County or Napa County or San Mateo County or Santa Clara County or Solano County or Sonoma County
$160k-$180k/yr OnsiteFull Time
Discord
Discord: A platform providing voice, video, and text communication services.
2+ YOE2+ years building backend systems, experience with distributed systems, operating/maintaining critical tier 0 services, knowledge of monitoring and alerting, familiarity with open source and cloud environments.
Elixir, GCP, AWS, Salt, Terraform, k8s
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2w
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Backend Engineer, Core Systems
San Francisco or London
$175k-$200k/yr HybridFull Time
Midjourney
Midjourney: Independent research lab developing generative AI and medical imaging technology.
Experience building and operating production backend systems, designing APIs and data models, owning production reliability, debugging, and improving observability.
Postgres, Slurm, Ansible
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1d
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Director, HPC Systems Software Engineering
Houston or New York City or San Francisco or Seattle
$230k-$343k/yr OnsiteFull Time
Nscale
Nscale: Vertically integrated AI infrastructure provider for high-performance computing.
Requires leadership of HPC or infrastructure engineering organizations, Linux, distributed systems, production operations, GPU infrastructure, networking, budgeting, and people management; Slurm experience strongly preferred.
Slurm, Kueue, Linux
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2mo
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Software Engineer
New York City or San Francisco or Austin or Chicago
$120k-$300k/yr HybridFull Time
R1 RCM
R1 RCM: Revenue cycle management solutions for healthcare providers.
3+ YOE3+ years engineering experience building and operating production systems; end-to-end ownership; scaling production systems; applied AI interest; strong communication and product collaboration skills.
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2d
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Electrical Engineer (Maintenance)
Phoenix or Yuma or Folsom or Loveland or Montrose or Gering or Boulder City or Casper or Cody
$72k-$161k/yr OnsiteFull Time
Western Area Power Administration
Western Area Power Administration: Markets and delivers wholesale hydroelectric power and transmission services.
1+ YOEEngineering qualification with specialized electrical engineering experience in power system planning, design, construction, operations, or maintenance; U.S. citizenship and suitability for federal employment required.
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Software Engineer, Identity
San Francisco or New York City or London
$150k-$325k/yr OnsiteFull Time
Mercor
Mercor: Connecting expert human intelligence with frontier AI model development.
Experience building and operating large-scale distributed systems, strong product engineering fundamentals, security-minded design, and ability to work directly with operations to implement identity and access infrastructure.
Slack
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Customer Delivery Engineer
Golden or San Francisco or Toulouse
$130k-$190k/yr OnsiteFull Time
Loft Orbital
Loft Orbital: Deploy and operate satellite missions for organizations and governments.
3+ YOE3+ years in operational engineering environments; strong Python and automation skills; experience with production systems, APIs, Docker, cross-system debugging, and customer communication.
Python, Docker, CUE
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Maintenance Engineer
San Francisco, California, United States
$69/hr OnsiteFull Time
University of San Francisco
University of San Francisco: Private Jesuit university providing undergraduate and graduate degree programs
Maintenance engineer responsible for operation, maintenance, and repair of building systems including HVAC, boilers, pumps, and life-safety equipment; requires physical ability and a valid driver's license.
CMMS, HVAC, Boilers, Pumps, Electrical Systems, Life Safety Equipment
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