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# Senior Software Engineer - Platform Security

- **Company:** F5 Networks, Inc.
- **Location:** San Jose, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Adobe InDesign, Artificial Intelligence, Amazon Web Services, C++ (Programming Language), Cloud Computing, Code Review, Linux, Distributed Systems, Key Management, Machine Learning, Microsoft Copilot, Software Engineering, Systems Integration, SSL Certificate Management, Cloud Platform System, Okta, Retrieval-Augmented Generation, Large Language Models, Multi-Cloud, Agentic-AI, Build Management, Kubernetes, Production Code, Hashicorp, Machine Learning Operations, Claude, Golang
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/28_25197_dd1fd74a0dea4037be931c5abb5453ee

## About the Role

If you're passionate about building secure, reliable systems and want your work to directly safeguard a leading cloud platform, we'd love to talk to you.**What You'll Do*** Design, develop, and operate highly available platform security services that form the trust foundation of F5 Distributed Cloud.* Build and enhance core security capabilities across one or more domains: authentication, authorization, certificate management, secret management, and key management.* Write high-quality, well-tested, production-grade code (primarily Golang) for distributed, performance-sensitive systems.* Deploy and operate services on Kubernetes across multi-cloud and edge environments.* Collaborate with cross-functional teams-product, SRE, and other engineering groups-to deliver secure, scalable solutions.* Participate in design reviews, code reviews, and threat modeling to uphold a high security and engineering bar.* Contribute to compliance and audit readiness efforts (e.g., FedRAMP, PCI) for platform
security services.* Mentor junior engineers and help drive engineering best practices within the team.**What You'll Bring (Must-Have)*** Be Kind* **6+ years** of professional software development experience in **C++, Java, or Golang** (Golang strongly preferred).* Advanced knowledge of and hands-on experience with **Linux**.* Advanced, hands-on experience with **Kubernetes**.* Proven experience building **platform security services** in at least one of the following domains: **authentication, authorization, certificate management, secret management, or key management**.* Strong fundamentals in distributed systems, system design, and writing secure, reliable code.* Hands-on experience with AI-assisted development tools (Copilot, Claude, Codex, or similar).* **U.S. Citizenship Required:** Due to FedRAMP compliance obligations, this role requires the candidate to be a **U.S. citizen**.**Nice to Have*** Experience with public cloud platforms such as **AWS** or **GCP**.* Hands-on
experience with **HashiCorp Vault, Keycloak**.* Experience contributing to **FedRAMP** compliance initiatives.* Experience with Integrating AI/ML or LLM capabilities into production (AI agents, RAG, ML-driven detection).* AI security best practices (securing AI/ML pipelines, mitigating prompt injection / model misuse). #LI-KA1The Job Description is intended to be a general representation of the responsibilities and requirements of the job.

## Description

We are looking for a **Senior Software Engineer** to join our **Platform Security** team, where you'll design and build the foundational security services that protect our distributed cloud platform and the customers who rely on it.In this role, you'll work on mission-critical security domains-authentication, authorization, certificate, secret, and key management-at massive scale across a globally distributed Kubernetes-based platform.