Senior DevOps Engineer – Infra Services

Five9 is a leading provider of cloud contact center software that brings cloud innovation to customers worldwide. The company is seeking a Senior DevOps Engineer to implement and support DNS and Kubernetes architecture in private cloud, with responsibility for scalability, resilience, automation, performance, and reliability of mission-critical infrastructure services.

Responsibilities:

• Implementand support large scale DNS Architecture that stretches private & public cloud across multiple regions
• Implement and support Infoblox DDI solutions (DNS, IPAM, DHCP), Cloudflare DNS management, Google & AWS DNS services
• Implement and support multi-tenant Kubernetes clusters leveraging BareMetal servers and Software defined storage protocols
• Implement Infrastructure as code leveraging CI/CD automation, Ansible, Terraform/Pulumi, Python and Bash for automated provisioning of DNS services
• Implementcontinuous delivery pipelines for Infrastructure updates, including patch management, service upgrade testing, and rollback procedures
• Develop automated monitoring, alerting, and healing mechanisms using GitOps principles and observability stacks (e.g., Prometheus, Loki, Grafana)
• Harden services for high availability, disaster recovery, and scale-out operations
• Perform deep-dive troubleshooting and performance analysis of Infrastructure services across hypervisors, backend storage protocols and networking layers
• Be involved in Change management and Global team collaboration
• Participate in on-call rotation, incident response, and root cause analysis for platform reliability issues

Requirements:

• 5+ in managing global DNS & Kubernetes on Linux Operating Systems
• Expertise with Infoblox DDI systems (or similar enterprise DNS systems), Bind9, CloudFlare, GCP and AWS DNS services
• Expert knowledge in managing Kubernetes and Ubuntu Linux systems
• Proven experience automating infrastructure processes and deployments using Ansible, Terraform, Python, and CI/CD pipelines, with demonstrated ability to drive and scale a culture of automation
• Strong Linux (RHEL/CentOS/Ubuntu) systems engineering background with advanced scripting inPython, Bash, or
• Familiar with various Infrastructure technology stacks like Hypervisor Technologies (KVM, Vsphere,), storage protocols (SDS) (iSCSI, NFS, CEPH), L2/L3 Networking
• Strong experience supporting mission critical 24x7 customer facing production environments
• Ability to write technical documentation and contribute to community wikis or knowledge bases
• Analytical Thinking & Problem Solving: Demonstrated ability to translate complex, cross-domain requirements into scalable and resilient cloud infrastructure and automation solutions
• Collaboration & Teamwork: Strong interpersonal and communication skills with a proven track record of effective collaboration across multidisciplinary teams, including developers, operations, security, and product stakeholders
• Mentorship & Leadership: Passionate about knowledge-sharing and mentorship, with experience guiding junior engineers and fostering a team culture of continuous learning, innovation, and technical excellence in cloud engineering and DevOps practices
• Good understanding of overall Enterprise Common Infrastructure service implementations with a focus on DNS & Kubernetes
• Understanding of security best practices for system patching and security compliance (e.g., CIS, NIST)
• Background in telco, edge cloud, or large enterprise infrastructure environments
• Experience building and maintainingautomated test environments for system upgrades and DNS migrations
• Bachelor's degree in computer science, IT, Engineering, or a related field preferred; equivalent experience and relevant industry certifications will also be considered