• Build, operate, and evolve all AWS environments (production and non-production), ensuring they meet availability, performance, and recovery requirements. • Own the security posture of the AWS environment. Design and enforce secure patterns for IAM, network segmentation (VPC), and ingress/egress controls. • Participate in an on-call as a primary AWS responder. You will drive technical triage and hands-on remediation for P1/P2 incidents, ensuring clear communication with stakeholders throughout. • Define SLIs/SLOs to measure service health. Proactively identify reliability risks and reduce operational toil through automation and self-healing infrastructure. • Provide hands-on support for ISO 27001 audits. You will manage technical documentation, maintain audit evidence, and ensure operational practices align with security control areas. • Maintain and secure our CI/CD pipelines and own the standards for Infrastructure as Code (IaC) to ensure all changes are controlled and auditable.

• Developing, testing, and distributing changes to automation, software, services, and tools the VHP team is responsible for. • Designing and implementing enhancements to VHP observability infrastructure in order to identify and correct problems before they impact our customers. • Comfortable working in new tooling, code and environments and automating what’s possible. • Create supporting tooling using Ansible or Profiling to aide in performance investigations. • Developing subject matter expertise in various components across our Compute environment. • Collaborating with our support, operations and engineering teams to investigate and troubleshoot complex problems • Participating in on-call rotations, guiding restoration and repair of service-impacting issues

• Collaborate closely with fellow devops engineers and the development team to deploy and maintain application infrastructure. • Assist in the development and support of tooling to streamline the deployment and maintenance of our products. • Work with Github, Jenkins, and Chef to deploy applications from development through to production environments. • Support both in-house and third-party applications, including handling deployments, upgrades, and troubleshooting. • Build and manage automation pipelines for application deployment and maintenance. • Engage in the day-to-day management of Linux servers via the command line • Create monitoring dashboards and alerts in Grafana leveraging Prometheus and Alertmanager. • Document processes and best practices clearly and concisely. • Participate in incident solving on-call rotation

• Design, implementation, and automation of large-scale distributed systems • Build tools and automation that help Five9 achieve higher availability, scalability, latency, and efficiency • Work with Engineering teams to deliver high quality software in a fast-paced environment • Monitor production and development environments to build preventive measures and provide a seamless customer experience • Work with delivery teams on software improvements to achieve higher availability and lower MTTD • Participate in on-call rotation