.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: Software engineering is a core discipline at F5 for many roles. As a software engineer specializing in site reliability, you will bring a software engineering and automated solution mindset to your work.The Site Reliability Engineer III will be responsible for ensuring the reliability, availability, and scalability of critical systems, networks and SaaS platforms. Systems under the care of an SRE III must operate effectively and reliably through scalable builds and deployments, frequent releases, and complex architectures that encompass modern technologies. You will work closely with technical and non-technical teams throughout the organization to facilitate the design and implementation of scalable solutions, drive automation initiatives, and monitor and maintain the performance of critical systems.What You'll Do:Apply modern engineering principles and practices to operational functions with a strong emphasis on automating network and security tasks to ensure system reliability, availability, and scalability.Scale systems sustainably through mechanisms such as automation and evolve systems by fostering changes that improve velocity, automating network configurations, security policies and compliance checks.Troubleshoot and resolve complex issues, automating response to common problems (system failures, connectivity issues and bottlenecks) to prevent future occurrences.Partner with cross-functional teams to design and implement scalable and robust system architecture to improve services on an ongoing basis.Investigate various open source and proprietary technologies, components, libraries, tools etc. and help build a highly available, highly scalable and easily manageable system.Apply observability and data skills to proactively measure system performance, diagnosing services/needs and quickly identifying solutions.Participate in service operation and RCA activities with defining SLOs and SLIs for business stakeholders.Implement and enforce security best practices through automated systems that continuously scan for vulnerabilities, apply patches, and adjust configurations to maintain a strong security posture.Create and maintain comprehensive knowledge bases for system documentation, including standard operating procedures, configurations, and troubleshooting guides, to support end-users' ability to use the systems effectively.Participate in on-call rotation