Sr. Principal Site Reliability Engineer

• 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.

What Makes You a Great Fit-

- 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!

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 bachelors degree, 15 years and a masters 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.