Site Reliability Engineer

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We are Optimum, a leader in the fast-paced world of connectivity, and we're seeking driven and enthusiastic professionals to join our team, empower lives, fuel businesses, and drive innovation. Connectivity is no longer a luxury, but a necessity. A career at Optimum means you'll be enabling progress and enhancing lives by providing reliable, high-speed connectivity solutions that keep the world connected.

Our successes, now and in the future, are powered by our amazing product, a commitment to our people and culture, and the connections we make in our communities.

If you are resourceful, collaborative, and passionate about delivering consistent excellence, Optimum is for you!

As a Site Reliability Engineer I (Hypervisor & Kubernetes Platform), you will support and maintain the enterprise virtualization and container platforms that power critical business applications. Working alongside senior engineers, you will help ensure the reliability, availability, and performance of VMware, Nutanix, and Kubernetes environments across multiple data centers.

This role is ideal for an engineer with foundational infrastructure experience who is looking to build expertise in virtualization, Kubernetes, automation, and platform engineering within a large-scale enterprise environment.

• Support VMware vSphere, VMware Cloud Foundation (VCF), and Nutanix AHV environments.
• Perform health checks and monitor cluster, host, and VM performance.
• Assist with upgrades, patching, lifecycle management, and infrastructure maintenance.
• Support VM provisioning, migrations, and decommissioning activities.

• Support enterprise Kubernetes environments and containerized workloads.
• Assist with cluster deployment, upgrades, and ongoing operations.
• Monitor cluster health, node performance, and application availability.
• Troubleshoot Kubernetes infrastructure, networking, storage, and application issues.
• Support development teams with onboarding and operating workloads on Kubernetes platforms.

• Participate in incident response and production support activities.
• Assist in root cause analysis (RCA) and service restoration efforts.
• Develop and maintain operational runbooks and support documentation.
• Contribute to monitoring improvements and service reliability initiatives.

• Develop scripts and automation using Power Shell, Python, Bash, or similar tools.
• Support Infrastructure-as-Code and platform automation initiatives.
• Assist with CI/CD integrations and operational workflow automation.
• Identify opportunities to reduce manual effort and improve platform efficiency.

• Working knowledge of VMware vSphere, ESXi, vCenter, clusters, HA, and DRS.
• Familiarity with Nutanix AHV and hyperconverged infrastructure concepts.
• Understanding of virtual machine lifecycle management and infrastructure operations.

• Working knowledge of Kubernetes and containerized applications.
• Familiarity with core Kubernetes concepts including pods, deployments, services, ingress, name spaces, and persistent storage.
• Experience supporting Kubernetes clusters and troubleshooting application, networking, and storage issues.
• Exposure to Talos, Open Shift, Rancher, or similar Kubernetes platforms preferred.

• Understanding of TCP/IP, DNS, VLANs, routing, and load balancing.
• Familiarity with SAN, NAS, HCI, and virtualization storage platforms.
• Knowledge of infrastructure components supporting both Kubernetes and virtualized workloads.

• Basic…