Senior Linux Infrastructure Consultant (RHEL, HA, Kubernetes)

Contract - 1 Year (Yearly renewal) Completion Bonus: 1 month Key Requirements

• 3–5 years of hands-on experience in RHEL (Red Hat Enterprise Linux) administration

• Experience in High Availability (HA) clusters (e.g. Pacemaker/Corosync), including failover testing

• Strong troubleshooting skills in:

• OS performance (CPU, memory, I/O)

• Networking (DNS, routing)

• Storage (LVM, multipath)

• System services & logs

• Hands-on experience with Kubernetes (K8s):

• kubectl, pods, deployments, services, ingress

• Troubleshooting (networking, DNS, scheduling)

• Knowledge of Linux networking fundamentals (TCP/IP, firewall, TLS/certificates)

• Experience in backup/restore and disaster recovery (DR) support

Key Responsibilities

1. RHEL Administration

• Build, configure, patch, and maintain RHEL 9.x servers

• Perform performance tuning, storage and filesystem management

• Monitor system health and perform root cause analysis (RCA)

1. High Availability (HA)

• Implement and support HA clusters (Pacemaker/Corosync or equivalent)

• Manage failover policies, resource groups, and cluster operations

• Conduct failover testing and support integrations (DNS, storage, etc.)

1. Backup & Recovery

• Manage backup solutions and perform restore validation

• Support disaster recovery (DR) drills and maintain recovery documentation

1. Kubernetes (VMware Tanzu)

• Support Kubernetes workloads (cluster health, node readiness)

• Troubleshoot pods, networking, and storage issues

• Deploy and manage applications using kubectl

• Configure ingress and service exposure

1. Documentation & Governance

• Maintain SOPs, runbooks, and technical documentation

• Participate in change management and patch cycles

• Ensure compliance with security and system standards

Nice to Have

• Experience with VMware Tanzu

• Exposure to automation or scripting