Senior Software Engineer – Platform Security
Job Location:
Reston, VA - USA
Yearly Salary:
Posted:
Application Deadline:
Vacancies:
Job Summary
At F5 we strive 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. We are passionate about cybersecurity from protecting consumers from fraud to enabling companies to focus on innovation.
Everything we do centers around people. That means we obsess over how to make the lives of our customers and their customers better. And it means we prioritize a diverse F5 community where each individual can thrive.
About the Role
F5 Distributed Cloud is building the next generation of secure scalable multi-cloud application services. We are looking for a Senior Software Engineer to join our Platform Security team where youll design and build the foundational security services that protect our distributed cloud platform and the customers who rely on it.
In this role youll work on mission-critical security domainsauthentication authorization certificate secret and key managementat massive scale across a globally distributed Kubernetes-based platform. If youre passionate about building secure reliable systems and want your work to directly safeguard a leading cloud platform wed love to talk to you.
What Youll 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 teamsproduct SRE and other engineering groupsto 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 Youll 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).
The Job Description is intended to be a general representation of the responsibilities and requirements of the job. However the description may not be all-inclusive and responsibilities and requirements are subject to change.
The annual base pay for this position is: $179500.00 - $269300.00F5 maintains broad salary ranges for its roles in order to account for variations in knowledge skills experience geographic locations and market conditions as well as to reflect F5s differing products industries and lines of business. The pay range referenced is as of the time of the job posting and is subject to change.
You may also be offered incentive compensation bonus restricted stock units and benefits. More details about F5s benefits can be found at the following link: F5 reserves the right to change or terminate any benefit plan without notice.
Please note that F5 only contacts candidates through F5 email address (ending with @) or auto email notification from Workday (ending with or @).
Equal Employment Opportunity
It is the policy of F5 to provide equal employment opportunities to all employees and employment applicants without regard to unlawful considerations of race religion color national origin sex sexual orientation gender identity or expression age sensory physical or mental disability marital status veteran or military status genetic information or any other classification protected by applicable local state or federal laws. This policy applies to all aspects of employment including but not limited to hiring job assignment compensation promotion benefits training discipline and termination. F5 offers a variety of reasonable accommodations for candidates. Requesting an accommodation is completely voluntary. F5 will assess the need for accommodations in the application process separately from those that may be needed to perform the job. Request by contacting .
Required Experience:
Senior IC
About Company
F5 application services ensure that applications are always secure and perform the way they should—in any environment and on any device.
