Sr. Principal Site Reliability Engineer

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.

Position Summary

• F5 Inc. is actively seeking an exceptional Sr Principal Software Engineer (Individual Contributor) to play a pivotal role in our SRE Operations team for the groundbreaking F5XC Product.

Are you an SRE Operations specialist with automation in your DNA? Do you thrive in fast-paced SaaS environments where cloud meets global infrastructure? We are looking for a top-tier SRE to drive Logs, Metrics, and Alerting, with a deep focus on Alerting automation at massive scale.

Our SaaS is hybrid – running across public cloud and a global network of 50+ PoPs, delivering terabits of capacity. Our infrastructure spans cloud-native services and physical networking gear (routers, switches, firewalls), creating a uniquely challenging and exciting observability landscape. The Analytics & Observability platform will have deep reach across these layers, ensuring reliability, security, and performance at a massive scale.

🚀 Be the Force Behind Observability & Stability

• Drive end-to-end Observability (Logs, Metrics, and Alerts) across our hybrid SaaS stack, spanning cloud, edge, and physical network devices.
• Take ownership of Alerting strategy, cutting through noise while ensuring actionable, high-fidelity alerts.
• Implement intelligent automation to reduce operational toil and enhance real-time visibility.

⚙️ Own & Automate Operations

• Design, build, and manage automation for self-healing infrastructure across cloud + global PoPs.
• Develop automation for Kubernetes, ArgoCD, Helm Charts, Golang-based services, AWS, GCP, Terraform.
• Improve networking observability, ensuring our routers, switches, and firewalls are monitored at scale.
• Continuously eliminate manual ops work through automation and platform improvements.

🛠 Lead Incident Response & Operational Excellence

• Participate in on-call rotations, ensuring rapid incident response across our cloud + edge stack.
• Drive incident response automation, reducing MTTR and increasing system resilience.
• Ensure security, compliance, and best practices in observability & automation.

🤝 Collaborate & Mentor

• Work closely with application teams, network engineers, and SREs to improve reliability and performance.
• Mentor junior engineers, fostering a culture of automation-first thinking and deep observability.

✔ Deep expertise in Logs, Metrics, and Alerting, with a strong focus on Alerting automation.
✔ Experience in hybrid SaaS environments spanning cloud-native and global infrastructure.
✔ Strong background in Kubernetes, Infrastructure-as-Code (Terraform), Golang, AWS/GCP, and networking observability.
✔ Proven track record of eliminating toil and improving operational efficiency through automation.
✔ Passion for deep observability, networking-scale analytics, and automation at the edge.

If you love solving reliability challenges at global scale, automating everything, and working in a hybrid cloud + networking environment, we want to talk to you!

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.

Must-Have:

Observability & Alerting Expertise – Strong experience with Logs, Metrics, and Alerts, with a focus on high-fidelity alerting and automation. Automation & Infrastructure as Code – Deep knowledge of Terraform, ArgoCD, Helm, Kubernetes, and Golang for automation. Cloud & Hybrid SaaS Experience – Hands-on experience managing cloud-native (AWS/GCP) and edge infrastructure. Incident Response & Reliability Engineering – Strong on-call experience, with a track record of reducing MTTR through automation Kubernetes Mastery – Hands-on experience deploying, managing, and troubleshooting Kubernetes in production environments.

 Nice-to-Have:

Networking & Edge Observability – Familiarity with monitoring routers, switches, and firewalls in a global PoP environment. Data & Analytics in Observability – Experience with time-series databases (Prometheus, Grafana, OpenTelemetry, etc.). Security & Compliance Awareness – Understanding of secure-by-design principles for monitoring & alerting. Mentorship & Collaboration – Ability to mentor junior engineers and work cross-functionally with SREs, application teams, and network engineers. High Availability / Disaster Recovery: Experience with HA/DR and Migration

Qualifications

• Typically, it requires at least 18 years of related experience with a bachelor’s degree, 15 years and a master’s degree, or a PhD with 12 years’ experience; or equivalent experience.
• Excellent organizational agility and communication skills throughout the organization.

Environment

• Empowered Work Culture: Experience an environment that values autonomy, fostering a culture where creativity and ownership are encouraged.
• Continuous Learning: Benefit from the mentorship of experienced professionals with solid backgrounds across diverse domains, supporting your professional growth.
• Team Cohesion: Join a collaborative and supportive team where you'll feel at home from day one, contributing to a positive and inspiring workplace.

F5 Networks, Inc. is an equal opportunity employer and strongly supports diversity in the workplace.

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.

Please note that F5 only contacts candidates through F5 email address (ending with @f5.com) or auto email notification from Workday (ending with f5.com or @myworkday.com).

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 accommodations@f5.com.