Senior Cloud Infrastructure Engineer

Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. They are seeking a highly experienced Senior Cloud Infrastructure Engineer to design, implement, and support Software Defined Storage and Kubernetes platforms in a private cloud environment.

Responsibilities:

• Design, implement, and operate large-scale Software Defined Storage architectures across private and public cloud regions
• Deploy and support enterprise storage platforms (Pure Storage, HPE, NetApp) and SDS solutions (Ceph, Longhorn)
• Build and operate multi-tenant Kubernetes clusters on bare metal using SDS-backed storage
• Develop Infrastructure-as-Code using Ansible, Terraform or Pulumi, with Python/Bash automation
• Implement CI/CD pipelines for infrastructure updates, patching, upgrades, testing, and rollback
• Build observability, alerting, and auto-remediation using GitOps and tools such as Prometheus, Loki, and Grafana
• Architect and maintain high availability, disaster recovery, and scale-out infrastructure
• Perform deep troubleshooting across storage, Kubernetes, hypervisors, networking, and Linux systems
• Participate in on-call rotations, incident response, and root cause analysis
• Collaborate globally on change management, documentation, and operational best practices

Requirements:

• 6+ years of experience managing enterprise storage and Kubernetes platforms on Linux
• Strong hands-on experience with SDS solutions (Ceph, Longhorn) and storage migrations from legacy systems
• Experience with block, file, and object storage, including Fibre Channel and IP-based protocols
• Expert knowledge of Kubernetes and Linux systems (Ubuntu, RHEL/CentOS)
• Proficiency with Infrastructure-as-Code (Ansible, Terraform, or Pulumi)
• Strong scripting skills in Python, Bash, or Go
• Deep experience with enterprise DNS (Infoblox DDI, BIND, cloud DNS platforms)
• Experience operating 24x7 mission-critical production environments
• Hands-on experience with hypervisors (vSphere and/or KVM)
• Strong written and verbal communication skills
• Proficiency with Git, CI/CD pipelines, and automated testing frameworks
• Ability to write technical documentation and contribute to community wikis or knowledge bases
• Bachelor's degree in computer science or equivalent professional experience
• Good understanding of overall Enterprise Common Infrastructure service implementations with a focus on SDS & 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
• Bachelor's degree in computer science, IT, Engineering, or a related field preferred; equivalent experience and relevant industry certifications will also be considered