Senior Linux Administrator (TEM)

Job Description

We are seeking a   Senior Linux Administrator   with strong, hands‑on expertise in   automation  ,   GitOps  ,   Infrastructure as Code (IaC)  , and   bare-metal cluster engineering  . This role will spearhead the migration of OpenShift workloads from virtualized platforms to bare‑metal servers while designing automation‑driven infrastructure that supports declarative, version‑controlled operations.

Job Description - Grade Specific

• Design and implement   GitOps‑based automation frameworks   to enforce IaC best practices.
• Automate the build, configuration, and lifecycle management of   bare‑metal clusters  .
• Reduce provisioning cycle time for new nodes or full cluster builds through   end‑to‑end automation  .
• Ensure complete traceability, reproducibility, and recoverability of all changes via   scripted, version‑controlled workflows  .
• Champion a shift from   imperative, manual operations   to   declarative, desired‑state‑driven   approaches.
• Lead the migration of OpenShift workloads from   VMware‑based virtual machines   to   bare‑metal infrastructure  .
• Maintain minimal downtime while ensuring full adherence to enterprise   security and compliance   requirements.
• Architect, deploy, and optimize   bare‑metal OpenShift clusters   for performance, scale, and resilience.
• Integrate automation for   monitoring, patching, lifecycle management, and disaster recovery 
• Manage, harden, and maintain   enterprise‑grade Linux systems   (RHEL preferred).
• Implement automated   patching  ,   configuration management  , and   compliance validation 
• Automate network configuration for bare‑metal clusters (VLANs, routing, DNS).
• Provide support for   Oracle database deployments   within Linux and OpenShift environments.

Requirements

• Proven experience with   GitOps   (Argo CD or Flux) and IaC tools such as   Ansible   and   Terraform  .
• Strong scripting ability using   Bash   and   Python  .
• Hands‑on experience building   CI/CD pipelines   for infrastructure provisioning.
• 7+ years   of Linux system administration experience.
• 4+ years   working with   OpenShift Container Platform (OCP)  , including migrations and cluster setup.
• Knowledge of   bare‑metal provisioning   and lifecycle automation.
• Familiarity with core   networking concepts   and   Oracle database   environments.

       Preferred Qualifications 

• Red Hat Certified Engineer (RHCE)   or equivalent.
• Experience with   large‑scale automated deployments  .
• Understanding of enterprise   security and compliance   frameworks.

• Proven experience with   GitOps   (Argo CD or Flux) and IaC tools such as   Ansible   and   Terraform  .
• Strong scripting ability using   Bash   and   Python  .
• Hands‑on experience building   CI/CD pipelines   for infrastructure provisioning.
• 7+ years   of Linux system administration experience.
• 4+ years   working with   OpenShift Container Platform (OCP)  , including migrations and cluster setup.
• Knowledge of   bare‑metal provisioning   and lifecycle automation.
• Familiarity with core   networking concepts   and   Oracle database   environments.

       Preferred Qualifications 

• Red Hat Certified Engineer (RHCE)   or equivalent.
• Experience with   large‑scale automated deployments  .
• Understanding of enterprise   security and compliance   frameworks.