Senior Linux & OpenShift Platform Engineer

CAPGEMINI SINGAPORE PTE. LTD.; Singapore; On-site; SGD 90,000 - 140,000; Full time

Job summary

CAPGEMINI SINGAPORE PTE. LTD. seeks an experienced Linux Administrator to maintain enterprise Linux environments, optimize performance, and support modernization initiatives. The role emphasizes RHEL, OCP, virtualization, and automation across cross-functional teams.

You will collaborate with application, network, and database teams to ensure stable, secure operations, while driving DevOps practices and high-availability platforms.

Qualifications

• Minimum 5years of experience in Linux Administration.
• Strong hands-on experience with Red Hat Enterprise Linux (RHEL).
• Experience supporting OpenShift Container Platform (OCP) or Kubernetes environments.
• Strong understanding of Linux system architecture, performance tuning, and troubleshooting.
• Experience with VMware virtualization platforms.
• Knowledge of storage technologies, LVM, NFS, and clustering solutions.
• Experience with automation tools such as Ansible, Terraform, Chef, or Shell scripting.
• Knowledge of networking technologies including TCP/IP, DNS, VLANs, routing, and firewalls.
• Experience with enterprise monitoring and configuration management tools.

Responsibilities

• Install, configure, administer, and maintain enterprise Linux environments (RHEL preferred).
• Perform system monitoring, performance tuning, troubleshooting, and root cause analysis for production systems.
• Manage Linux security hardening, patching, vulnerability remediation, and compliance activities.
• Support user administration, access management, filesystem management, and storage administration.
• Administer LVM, NFS, SFTP, DNS, LDAP, and other infrastructure services.
• Support OpenShift cluster deployment, upgrades, migration, and troubleshooting activities.
• Collaborate with application teams for containerized application deployments and platform optimization.
• Support Kubernetes-based environments and container orchestration initiatives.
• Support Linux workloads running on VMware and physical server infrastructure.
• Participate in migration projects involving virtualized and bare-metal environments.
• Configure and maintain high-availability solutions and clustering technologies.
• Manage server provisioning, operating system upgrades, and lifecycle management.
• Develop and maintain automation scripts using Ansible, Shell Scripting, Terraform, or similar tools.
• Automate recurring operational tasks to improve efficiency and reduce manual intervention.
• Support Infrastructure-as-Code (IaC) and DevOps initiatives across the organization.
• Contribute to continuous improvement and operational excellence programs.
• Configure and troubleshoot networking components, including TCP/IP, DNS, VLANs, firewalls.

Job description

CAPGEMINI SINGAPORE PTE. LTD. seeks an experienced Linux Administrator to maintain enterprise Linux environments, optimize performance, and support modernization initiatives. The role emphasizes RHEL, OCP, virtualization, and automation across cross-functional teams.

You will collaborate with application, network, and database teams to ensure stable, secure operations, while driving DevOps practices and high-availability platforms.