Senior Platform Security Engineer - Kubernetes & Secrets

ffive; Reston (VA); On-site; USD 180,000 - 269,000; Full time

Job summary

F5 Distributed Cloud is seeking a Senior Software Engineer to join the Platform Security team, where you will design and build foundational security services that protect our distributed cloud platform and its customers.

You will write production-grade Go, operate on Kubernetes across multi-cloud and edge environments, and collaborate with cross-functional teams to deliver secure, scalable solutions.

Qualifications

• 6+ years of professional software development 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 authentication, authorization, certificate management, secret management, or key management.
• Strong fundamentals in distributed systems, system design, and secure coding.
• Hands-on experience with AI-assisted development tools (Copilot, Claude, Codex, or similar).
• U.S. Citizenship Required: due to FedRAMP compliance obligations.

Responsibilities

• 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 authentication, authorization, certificate management, secret management, and key management.
• Write high-quality production-grade code (Go) for distributed, performance-sensitive systems.
• Deploy and operate services on Kubernetes across multi-cloud and edge environments.
• Collaborate with cross-functional teams to deliver secure, scalable solutions.
• Participate in design reviews, code reviews, and threat modeling to uphold security and engineering standards.
• Contribute to compliance and audit readiness efforts (e.g., FedRAMP, PCI).
• Mentor junior engineers and promote engineering best practices.

Skills

C++/Java/Golang

Linux

Kubernetes

Platform security

Distributed systems

AI tools

US Citizenship

Tools

HashiCorp Vault

Keycloak

Job description

F5 Distributed Cloud is seeking a Senior Software Engineer to join the Platform Security team, where you will design and build foundational security services that protect our distributed cloud platform and its customers.

You will write production-grade Go, operate on Kubernetes across multi-cloud and edge environments, and collaborate with cross-functional teams to deliver secure, scalable solutions.