Senior DevOps Engineer - Core DevOps

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. We are actively seeking a Senior DevOps Engineer to join our Product Engineering Core DevOps team. At Five9, we work in small teams and move fast to drive our products and business to the next level. We look for crucial skills in team members such as a problem-solving mindset and intellectual curiosity, along with comfortable integration into a deeply collaborative system that rewards impact. Key Responsibilities: 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 (8h shift, 7days a week, every 3-4 weeks). Key Requirements: 7+ years of public cloud experience (GCP or AWS). 7+ years of private cloud experience (Openstack, VMware ESXi). 7+ years of Linux experience (Centos/Ubuntu). 7+ years of networking experience. Orchestration and management of containers using Kubernetes, Helm, GKE and Docker. Experience with Gitlab, ArgoCD, CI/CD methodologies & tools. Experience with Infrastructure as Code (Terraform), Python or other scripting languages. Experience with Ansible config management tool. Experience with Prometheus/Loki/Alertmanager/Grafana observability tools. Excellent proble