Principal Site Reliability Engineer

• Job Category Site Reliability Engineering
• Posting Date 11/18/2025, 12:24 AM
• Locations Santa Clara, CA, United States
• Job Schedule Full time

At Fortinet, we strive to provide a supportive, collaborative environment where people are empowered to do the best work of their careers.

Our team members enjoy solving complex problems, and obsess over getting the details right. We love what we do and are proud of our work to secure clouds and container environments for thousands of b2b customers worldwide.

Our team is growing, and we are looking for engineers with passion for automation. You will help support the Forti

CNAPP platform and play a key role in building, operating, and improving the Forti

CNAPP Cloud Security Platform, the world's best real-time cloud-native threat detection system. Our team develops and supports the infrastructure layers spanning our cloud accounts, network/connectivity, workload management, observability, and storage services. We build tooling to perform automated operations in order to scale the Forti

CNAPP infrastructure and service. To be successful you will design, define, develop, deploy and operate internal tooling, APIs, and frameworks which streamline our workflows and automate our infrastructure.

About this role:

As a Principal Site Reliability Engineer at Forti

CNAPP, you will lead the design, implementation, and optimization of our highly scalable, resilient, and efficient platform infrastructure. You will drive strategic initiatives to enhance operational excellence, mentor teams, and set the standard for reliability and automation across the organization. Your expertise will shape the future of Forti

CNAPP’s infrastructure, ensuring it meets the demands of our customers and supports rapid growth.

• Architect and implement advanced automation strategies to maximize operational efficiency and minimize toil across the Forti
  
  CNAPP platform.
• Lead the design, development, and enhancement of infrastructure systems to ensure world-class scalability, resiliency, and performance.
• Proactively identify and resolve complex, systemic issues through innovative automation, tooling, and architectural solutions, preventing customer-facing incidents.
• Drive the evolution of monitoring, instrumentation, and observability systems to anticipate and mitigate scalability and reliability risks before they impact customers.
• Champion company-wide adoption of reliability best practices, establishing key metrics, SLAs, and milestones to embed scalability and resiliency into all engineering processes.
• Collaborate with cross-functional teams to define and implement industry-leading practices for infrastructure, deployment, and operational workflows.
• Provide technical leadership and mentorship to engineering and operations teams, fostering a culture of reliability, automation, and continuous improvement.
• Lead incident response and post-mortem processes, driving root cause analysis and implementing preventive measures.
• Participate in an on-call rotation, serving as an escalation point for complex issues and guiding the team through critical incidents.
• Influence strategic technology decisions, evaluating and integrating cutting-edge tools, services, and methodologies to enhance platform reliability.

• 10+ years of Dev Ops/SRE experience, with at least 5 years in a senior or lead role managing production systems at scale.
• Expert-level development and automation skills, with a proven track record of building sophisticated tools and workflows.
• Deep expertise in Infrastructure as Code (e.g., Terraform) and supporting tools (e.g., Atlantis, ArgoCD, Flux).
• Advanced experience with Kubernetes and its ecosystem (e.g., Helm, operators, Kustomize), including managing large-scale, production-grade clusters.
• Extensive experience with multiple cloud providers and managed services (e.g., AWS: EKS, EC2, S3, RDS, Secrets Manager; GCP, Azure).
• Proven ability to architect and operate highly reliable, fault-tolerant cloud infrastructure that supports rapid microservice deployment with robust monitoring and high availability.
• Exceptional cross-team communication and leadership skills, with…