Senior Site Reliability Engineer (Cortex)

Our Mission At Palo Alto Networks®, we’re united by a shared mission—to protect our digital way of life. We thrive at the intersection of innovation and impact, solving real-world problems with cutting-edge technology and bold thinking. Here, everyone has a voice, and every idea counts. If you’re ready to do the most meaningful work of your career alongside people who are just as passionate as you are, you’re in the right place. Who We Are In order to be the cybersecurity partner of choice, we must trailblaze the path and shape the future of our industry. This is something our employees work at each day and is defined by our values: Disruption, Collaboration, Execution, Integrity, and Inclusion. We weave AI into the fabric of everything we do and use it to augment the impact every individual can have. If you are passionate about solving real-world problems and ideating beside the best and the brightest, we invite you to join us! We believe collaboration thrives in person. That’s why most of our teams work from the office full time, with flexibility when it’s needed. This model supports real-time problem-solving, stronger relationships, and the kind of precision that drives great outcomes. Job Summary Your Career: Join a team of senior engineers operating in a large-scale, multi-cloud production environment supporting tens of thousands of enterprise customers worldwide. This is not a typical SRE role — you’ll work at the core of a complex, high-impact system alongside experienced DevOps professionals in a fast-paced, cybersecurity-focused organization. Your Impact: Own and operate large-scale, global production environments across multiple cloud providers (GCP, AWS, Azure) Actively monitor, investigate, and resolve incidents triggered by automated alerting systems (PagerDuty / Incident Response) Drive end-to-end troubleshooting across complex, distributed systems with high context switching Design, deploy, and improve monitoring and observability systems (e.g., Prometheus, Grafana) — not just react to alerts Collaborate closely with internal teams (CX, CS, Engineering) to ensure system reliability and performance Work hands-on with modern DevOps and infrastructure tools including Kubernetes, Terraform, CI/CD pipelines, and GitOps workflows Develop and maintain automation and tooling (primarily in Python) Gain deep understanding of system architecture and interconnected services Contribute to a culture of operational excellence in a high-scale, high-availability environment On call responsibilities: Daytime hours (12:00–20:00) Occasional weekends and holidays (rotation-based) Qualifications Your experience: 5+ years of experience in SRE roles in production environments at scale Strong hands-on experience with Kubernetes and Terraform Strong hands-on experience with at least one major cloud platform (GCP or AWS required) Experience building and configuring monitoring systems (e.g., Prometheus, Grafana) Familiarity with CI/CD and GitOps tools (GitLab CI, GitHub Actions, Jenkins, Flux) Proficiency in Python for scripting and automation Strong troubleshooting and problem-solving skills with a passion for incident handling Ability to work in fast-paced environments with high context switching Highly responsive, proactive, and ownership-driven Strong collaboration and communication skills Curious mindset and eagerness to learn Our Commitment We’re trailblazers that dream big, take risks, and challenge cybersecurity’s status quo. It’s simple: we can’t accomplish our mission without diverse teams innovating, together. We are committed to providing reasonable accommodations for all qualified individuals with a disability. If you require assistance or accommodation due to a disability or special need, please contact us at . Palo Alto Networks is an equal opportunity employer. We celebrate diversity in our workplace, and all qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or other legally protected characteristics. All your information will be kept confidential according to EEO guidelines. Is role eligible for Immigration Sponsorship? No. Please note that we will not sponsor applicants for work visas for this position.