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.

Senior Site Reliability Engineer (SRE) – Infrastructure Focus

About the Role

We’re seeking a Senior Site Reliability Engineer with deep infrastructure expertise to design, build, and operate the foundational systems that power our products. This role focuses on reliability, scalability, automation, and operational excellence across cloud and on‑prem environments. You’ll work closely with engineering teams to evolve our infrastructure platform, reduce toil, and ensure our systems are robust, observable, and efficient.

Key Responsibilities

• Architect and maintain core infrastructure systems across compute, storage, networking, and cloud services.

• Develop automation and tooling to eliminate manual operations and improve system consistency.

• Implement and manage infrastructure‑as‑code using modern frameworks and best practices.

• Drive reliability engineering practices including SLOs, SLIs, error budgets, and incident response.

• Enhance observability through metrics, logging, tracing, and actionable alerting.

• Optimize system performance and capacity to support growth and cost efficiency.

• Lead complex troubleshooting efforts across distributed systems and production environments.

• Collaborate with engineering teams to ensure infrastructure supports evolving product needs.

• Strengthen security and compliance posture through hardened infrastructure and best practices.

• Mentor engineers and contribute to a culture of operational excellence.

Required Qualifications

• 8+ years of experience in SRE, DevOps, or infrastructure engineering with hands‑on ownership of production systems.

• Deep knowledge of Linux systems, networking fundamentals, and distributed systems.

• Proficiency with IaC tools such as Terraform, Ansible, and CloudFormation.

• Experience with containerization and orchestration (Docker, Kubernetes).

• Solid programming or scripting skills in Python, Go, Bash, or similar.

• Hands‑on experience with CI/CD systems and automated deployment pipelines.

• Strong observability background using Prometheus, Grafana, ELK, Open Telemetry, or similar.

• Proven incident management experience in high‑availability environments.

Preferred Qualifications

• Experience with hybrid or multi‑cloud environments.

• Knowledge of infrastructure security including secrets management and zero‑trust principles.

• Background with large‑scale distributed systems or high‑throughput architectures.

• Open‑source contributions in SRE, infrastructure, or cloud‑native ecosystems.

What Success Looks Like

• Highly reliable, scalable infrastructure that supports rapid product growth.

• Reduced operational toil through automation and self‑service capabilities.

• Clear, actionable observability enabling fast detection and resolution of issues.

• Efficient, cost‑optimized systems across cloud and on‑prem environments.

• A strong reliability culture across engineering teams.

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: $176,800.00 - $265,200.00

F5 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 F5’s 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 F5’s benefits can be found at the following link: https://www.f5.com/company/careers/benefits. 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 @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.