Senior Systems Engineer

6 hours, 47 minutes ago
Full-time
Lead
DevOps and Infrastructure
Ensono

Ensono

Ensono provides comprehensive hybrid IT solutions and governance, enabling businesses to navigate complexity and modernize their technology infrastructure, from cloud services to mainframe systems, tailored to each client's unique journey.

IT Services
1K-5K
Founded 1969

Description

  • Design, deploy, and administer Red Hat OpenShift Virtualization environments for enterprise and mission-critical workloads.
  • Provision, configure, and manage virtual machines on OpenShift across CPU, memory, storage, networking, and lifecycle operations.
  • Administer OpenShift cluster components related to virtualization, including control plane, worker nodes, and virtualization operators.
  • Implement and manage high availability, resiliency, and disaster recovery for virtualized workloads in line with application SLAs.
  • Coordinate upgrades, patching, and maintenance of OpenShift clusters and virtualization components through change management processes.
  • Optimize cluster and virtual machine performance, capacity utilization, and resource consumption.
  • Troubleshoot complex issues involving VM startup failures, live migration, storage performance, networking, and cluster health.
  • Serve as a senior escalation point for OpenShift Virtualization incidents and operational challenges, including mentoring junior team members.
  • Manage case escalation with Red Hat support for issue resolution.
  • Develop and maintain scripts and automation for provisioning, configuration, monitoring, and operational tasks.
  • Support VM migrations from VMware or other hypervisors to OpenShift Virtualization and assist with modernization initiatives.
  • Maintain coexistence and interoperability between OpenShift Virtualization and existing hypervisor platforms.
  • Implement and maintain platform security best practices aligned with enterprise standards.
  • Support audit, compliance, and operational reporting requirements.
  • Work closely with platform, cloud, storage, and network teams, and maintain operational documentation, runbooks, and SOPs.

Requirements

  • 8+ years of infrastructure or virtualization experience, with significant hands-on OpenShift exposure.
  • Strong, senior-level experience with OpenShift Virtualization.
  • Proven experience operating OpenShift clusters in enterprise environments.
  • Hands-on experience with scripting such as Bash, Python, or equivalent.
  • Deep understanding of virtualization concepts, including compute, storage, networking, high availability, and disaster recovery.
  • Red Hat Certified Specialist in OpenShift Virtualization (RHCSOA).
  • Red Hat Certified OpenShift Administrator (RHCOA).
  • VMware vSphere administration experience is preferred.
  • Experience with other hypervisors such as Nutanix or KVM is preferred.
  • Exposure to container-native storage and networking solutions is preferred.
  • Experience supporting hybrid or multi-platform virtualization environments is preferred.
  • Participation in on-call rotations and support outside standard business hours as required.

Interested in this position?

Apply directly on the company website

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