Principal AI Engineer
F5Seattle, Washington, United States • San Jose, California, United States
Posted March 26, 2026
186400 - 279600 USD
Full Time
About the Company
F5 strives to bring a better digital world to life. Our teams empower organizations across the globe to create, secure, and run applications that enhance how we experience our evolving digital world.
Job Description
F5 is seeking a Principal AI Engineer to build an enterprise-scale Agentic AI platform. The ideal candidate has strong distributed systems expertise, deep familiarity with LLM architectures and agent frameworks, and the ability to translate AI theory into secure, production-grade implementations.
Requirements
- 10+ years of experience in software engineering, with significant experience in distributed systems and backend architecture
- Deep hands-on coding expertise in Python and at least one of: Go, Java, or TypeScript
- Production experience with LLM-based systems, including prompt engineering, tool calling, RAG, embeddings, and agent frameworks
- Experience with Vertex AI, Gemini APIs, OpenAI APIs, or similar enterprise AI platforms
- Strong understanding of API design, microservices, Kubernetes, and cloud-native architectures
- Experience building or integrating orchestration frameworks (e.g., LangChain, LlamaIndex, custom orchestration layers)
- Familiarity with vector databases, embedding pipelines, and retrieval strategies
- Strong understanding of authentication, authorization, and enterprise security patterns
- Proven ability to build reusable platforms, not point solutions
Benefits
- Generous Paid Time Off
- 401k Matching
- Retirement Plan
- Four Day Work Week
- Generous Parental Leave
- Tuition Reimbursement
- Relocation Assistance