Site Reliablity Engineer III

About Us: Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is simple: safeguard the digital world and empower people to work securely and confidently. Join us in our pursuit to defend data and protect people. How We Work: At Proofpoint you’ll be part of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values:  Bold in how we dream and innovate Responsive to feedback, challenges and opportunities Accountable for results and best in class outcomes Visionary in future focused problem-solving Exceptional in execution and impact Corporate Overview Proofpoint is a leading cybersecurity company protecting organizations’ greatest assets and biggest risks: vulnerabilities in people. With an integrated suite of cloud-based solutions, Proofpoint helps companies around the world stop targeted threats, safeguard their data, and make their users more resilient against cyber-attacks. Leading organizations of all sizes, including more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email, the cloud, social media, and the web. We are singularly devoted to helping our customers protect their greatest assets and biggest security risk: their people. That’s why we’re a leader in next-generation cybersecurity. Protection Starts with People.  Proofpoint. About the role We are looking for a skilled Site Reliability Engineer (SRE) to join our team and help build, deploy, scale, and operate highly reliable distributed systems. You will play a key role in deploying and managing platforms across multiple regions, ensuring high availability, scalability, and performance. Key Responsibilities : Deploy, manage, and scale distributed platforms across multiple geographic regions Design and maintain Kubernetes-based infrastructure for large-scale applications Build and manage Helm charts for efficient and repeatable deployments Monitor system health using Grafana dashboards and metrics; proactively identify and resolve issues Improve system reliability, performance, and scalability through automation and best practices Handle large-scale deployments and improve infrastructure for growth Collaborate with development teams to ensure smooth CI/CD and production readiness Implement observability, alerting, and incident response processes Troubleshoot production issues and perform root cause analysis Write and maintain run books for incident response Required Qualifications :