1,158 ai systems engineer jobs at 509 companies in Fairfax, CA
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AI Systems Engineer, Codex Agents
San Francisco, California, United States
$230k-$385k/yr OnsiteFull Time
Engineering role building AI systems for Codex agents; experience with distributed systems, inference, and production workloads.
2mo
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Principal AI Systems Engineer — C++ / Applied AI
San Jose or San Francisco or Seattle or New York City or Chicago or California
$190k-$361k/yr OnsiteFull Time
10+ YOE10+ years professional software engineering with deep C++ expertise, production integration of AI/LLMs, cross‑platform systems design, reliability and observability, architecture leadership, and strong communication skills.
C++, LLMs, GPT, Claude, Gemini, JSON-RPC, gRPC, WebSockets, REST, TLS, CI, Windows, macOS, Linux
1mo
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Senior AI Network Systems Engineer
Redmond or Mountain View or Hillsboro
$120k-$235k/yr HybridFull Time
5+ YOEMaster's+3yrs or Bachelor's+5yrs in engineering fields; 5+ years networking for accelerator systems, Ethernet and RDMA fabrics; experience with AI/HPC/cloud deployments; security screening required.
SONiC, Linux, Azure
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Principal Engineer, Agentic AI Systems
Palo Alto, California, United States
$400k-$550k/yr OnsiteFull Time
10+ YOE10+ years engineering experience (3+ years at staff/principal scope), 2+ years building production LLM/agent systems, strong Python or TypeScript, backend fundamentals, retrieval/RAG and tool-calling experience, bachelor’s degree or equivalent.
Python, TypeScript, LangGraph, LlamaIndex, OpenAI, Anthropic, Hugging Face, vLLM, vector databases, RAG, APIs
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Finance Systems & AI Engineer
San Francisco, California, United States
$130k-$163k/yr HybridFull Time
5+ YOE5+ years in finance with 3+ years in finance systems or FP&A engineering; experience building AI/LLM automation; proficiency with Python, BigQuery, dbt, NetSuite, iPaaS; strong communication and governance skills.
iPaaS, BigQuery, dbt, Python, NetSuite, EPM, LLM
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Senior Systems Engineer, AI Gateway
Austin or San Francisco
$194k-$266k/yr OnsiteFull Time
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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Lead AI Engineer — Productivity Systems
Durham or Miami or Palo Alto or Washington
$12k-$18k/mo HybridFull Time
Proven experience shipping LLM-powered systems in production; strong prompt/context engineering, evaluation and guardrail development, and software engineering skills (Python/TypeScript/Clojure).
Python, TypeScript, Clojure, n8n, Zapier, AWS, Claude Code, Cursor, Copilot, Slack, Google Workspace, Jira, Terraform, RAG, MCP
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Hardware Systems Engineer, NPI AI
Menlo Park, California, United States
$144k-$204k/yr OnsiteFull Time
6+ YOEBachelor's or equivalent, 6+ years in hardware systems engineering or silicon/firmware validation for AI/HPC servers; experience with ASIC bring-up, board-level debug, test spec development, root-cause analysis, and high-speed interconnects/memory.
JTAG, GDB, Trace32, PCIe, NVLink, DDR5, HBM, I2C, SPI, USB, Linux
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AI Engineer, Search & Knowledge Systems
San Francisco, California, United States
OnsiteFull Time
Experience building production search, retrieval, and knowledge systems; strong software engineering in Python or TypeScript; hands-on with RAG, embeddings, vector search, rerankers, and IR concepts; security and production-readiness mindset.
Python, TypeScript, Embedding models, Rerankers, Lexical search, Semantic search, Hybrid search, Vector search, PostgreSQL, Docker
1mo
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Senior AI Engineer
San Francisco or New York City or Vancouver or Amsterdam or London or Paris or Singapore or Tokyo
$190k-$316k/yr HybridFull Time
3+ YOE3+ years software engineering experience with 2+ years building production LLM or applied AI systems; experience designing and scaling AI products, strong product sense, and collaboration skills.
LLM, agent frameworks, evals
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GTM AI Engineer
Austin or Chicago or New York City or Salt Lake City or San Francisco or United States
$115k-$175k/yr RemoteFull Time
Background in software/data engineering or applied AI, experience shipping AI/LLM tools to production, systems thinking, API and workflow integration experience, strong independent delivery and stakeholder partnership skills.
Gong, Salesforce, APIs, agent frameworks, workflow orchestration, LLM
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Distinguished AI Engineer (Agentic AI Platform)
San Francisco or McLean or Cambridge or San Jose or New York City
$294k-$335k/yr OnsiteFull Time
6+ YOEBachelor's or Master's in CS/Engineering/AI with 6–8+ years building and deploying scalable AI/ML systems; strong programming in Python/Go/Scala/Java and experience with agentic frameworks, cloud platforms, and LLMs.
Python, Go, Scala, Java, C++, C#, Golang, LangGraph, AutoGen, Semantic Kernal, Semantic Kernel (Microsoft), CrewAI, LlamaIndex, LangChain, AWS, Google Cloud, Azure, Google Cloud Vertex AI, Amazon SageMaker, Azure Machine Learning, K8s, Helm charts, CRDs, SDK, CLI, VectorDBs, RAG, LLM Inference, Similarity Search
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Applied AI Engineer
San Francisco, California, United States
OnsiteFull Time
Experience using AI tools, working with AI models or agents, and building evaluation systems, post-training, or context engineering; strong first-principles problem-solving skills.
2w
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Sr. AI Systems & Solutions Architect
Boston or Denver or San Francisco
$112k-$168k/yr OnsiteFull Time
4+ YOERequires a technical foundation, AI prototype development, LLMs, APIs, system integrations, prompt engineering, documentation, communication, and 4+ years in AI solutions, architecture, tooling, automation, or similar roles.
Claude, ChatGPT, Glean, LLMs, APIs, MCPs
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Senior Lead AI Engineer (Gen AI Platform Services: Distributed Systems)
Cambridge or San Francisco or New York City or San Jose or McLean
$230k-$286k/yr OnsiteFull Time
6+ YOEBachelor's plus 6 years or master's plus 4 years developing AI/ML technologies, and 6 years programming in Python, Go, Scala, or Java. Cloud AI deployment and team leadership preferred.
AWS Ultraclusters, Hugging Face, VectorDBs, Nemo Guardrails, PyTorch, Python, Go, Scala, Java, AWS, Google Cloud, Azure, C++, C#, Golang
1mo
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Senior AI Engineer
Oakland, California, United States
$150k-$170k/yr OnsiteFull Time
8+ YOE8+ years building production-grade generative AI/LLM systems, multi-agent orchestration with LangGraph, RAG, Python backend development, and AI governance for enterprise deployments.
LangGraph, Python
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Senior AI Engineer — Agents
San Francisco, California, United States
HybridFull Time
Experience building and shipping LLM-powered systems or agents, strong AI fluency (prompting, retrieval, evaluation), production monitoring, and solid software engineering practices.
Python, TypeScript, FastAPI, Next.js, Postgres
6d
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Systems Engineer Stf - E4
Littleton or Sunnyvale or Palo Alto or New York City or Newark or Denver or King of Prussia or Stratford or Moorestown or Dallas or Fort Worth or Orlando or Grand Prairie or Marietta or Camden or Lexington or Ocala or Lufkin
$118k-$219k/yr OnsiteFull Time
Technical degree or equivalent experience, missile development technical leadership, multifunctional team leadership, and ability to obtain and maintain a Secret clearance. NGI, GMD, systems engineering, and digital engineering experience preferred.
AI, Digital Engineering, Digital Transformation, Microsoft Excel
1w
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AI Engineer
Mountain View, California, United States
OnsiteFull Time
3+ YOERequires 3+ years of software engineering experience, production LLM systems experience, strong Python and/or TypeScript/Node skills, and experience with LLM APIs, agentic workflows, evaluation, and end-to-end services.
Claude, OpenAI, Python, TypeScript, Node
2w
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Senior Systems GPU Engineer – AI & Robotics
San Francisco or Sunnyvale
$160k-$271k/yr OnsiteFull Time
6+ YOEMaster’s degree in a technical field and 6+ years of embedded systems software experience required. Requires CUDA/OpenCL, C/C++/Python/Bash, Linux, real-time systems, machine learning, and robotics expertise.
NVIDIA Nsight Systems, NVIDIA Nsight Compute, Linux, Docker, NVIDIA Container Toolkit, Kubernetes, CUDA, OpenCL, C, C++, Python, Bash, QNX, Yocto, PyTorch, TensorFlow
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