Sr Staff Site Reliability Engineer

Sr Staff Site Reliability Engineer Sofia, Bulgaria 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! This role is remote, but distance is no barrier to impact. Our hybrid teams collaborate across geographies to solve big problems, stay close to our customers, and grow together. You will be part of a culture that values trust, accountability, and shared success where your work truly matters. Job Summary The Team Engineering - Our engineering team is at the core of our products and connected directly to the mission of preventing cyberattacks. We are constantly innovating — challenging the way we, and the industry, think about cybersecurity. Our engineers don’t shy away from building products to solve problems no one has pursued before. We define the industry instead of waiting for directions. We need individuals who feel comfortable in ambiguity, excited by the prospect of a challenge, and empowered by the unknown risks facing our everyday lives that are only enabled by a secure digital environment. 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 Champion asynchronous communication, documentation, and tooling standards to ensure seamless collaboration across time zones and fully distributed teams. On call responsibilities: Daytime hours (12:00–20:00 CET/CEST, based on candidate location and team coverage needs) Occasional weekends and holidays (rotation-based) 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 Proven success in a fully remote or distributed team environment, demonstrating strong self-management and time organization. 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 Qualifications 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 accommodations@paloaltonetworks.com . 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. Posted: 2026-08-04T00:00:00.000Z