Senior Red Hat OpenShift Administrator / Engineer

GSSTech Group; Bengaluru; On-site; INR 1,600,000 - 3,500,000; Full time

Job summary

GSSTech Group is seeking an experienced Red Hat OpenShift Administrator to manage enterprise OpenShift environments in Bengaluru. You will drive automation, IaC practices, and CI/CD pipelines while ensuring platform reliability and security across large-scale clusters.

The role emphasizes hands-on administration, migration to cloud, and collaboration with cross-functional teams to resolve complex platform issues.

Qualifications

• 8+ years of hands-on experience with enterprise OpenShift environments.
• Strong knowledge of automation, IaC, CI/CD and platform engineering.
• Experience with large-scale OpenShift clusters and migration to cloud.
• Experience with REST/SOAP APIs and integration patterns.

Responsibilities

• Install, configure, administer, upgrade, and manage large-scale Red Hat OpenShift clusters.
• OpenShift platform administration, troubleshooting, monitoring, performance optimization, and capacity management.
• Design and implement automation for OpenShift infrastructure and application deployments.
• Manage infrastructure using Terraform, Ansible, and Jenkins.
• Implement and maintain GitOps-driven configuration management and deployment using Argo CD.
• Support migration of enterprise applications and workloads to cloud environments.
• Develop and maintain CI/CD pipelines using Jenkins and Git-based workflows.
• Automate infrastructure provisioning, configuration management, application deployment, and operational activities.
• Develop and maintain Helm charts for application packaging and deployment.
• Work closely with development, infrastructure, security, networking, and application teams to resolve complex platform issues.
• Integrate OpenShift and enterprise platforms through REST/SOAP APIs.
• Develop API consumers/publishers and support integration with external systems.
• Support high-availability architectures and ensure platform reliability and resilience.
• Troubleshoot complex issues involving OpenShift, networking, DNS, SSL/TLS, certificates, load balancers, firewalls, and infrastructure components.

Skills

Red Hat OpenShift Administration

OpenShift Platform Automation

Terraform

Ansible

Jenkins

GitOps

Argo CD

Kubernetes

Networking

Security

Tools

OpenShift (OCP)

Job description

We are looking for an experienced Red Hat Certified OpenShift Administrator with strong expertise in enterprise OpenShift environments, automation, Infrastructure as Code, CI/CD, GitOps, cloud migration, and platform engineering. The ideal candidate should have extensive hands-on experience managing large-scale OpenShift clusters and a strong understanding of the underlying infrastructure, networking, security, virtualization, and automation ecosystem.

Key Responsibilities

• Install, configure, administer, upgrade, and manage large-scale Red Hat OpenShift clusters .
• Perform OpenShift platform administration, troubleshooting, monitoring, performance optimization, and capacity management.
• Design and implement automation for OpenShift infrastructure and application deployments.
• Manage infrastructure using Terraform, Ansible, and Jenkins .
• Implement and maintain GitOps-driven configuration management and deployment using tools such as Argo CD .
• Support migration of enterprise applications and workloads to cloud environments .
• Develop and maintain CI/CD pipelines using Jenkins and Git-based workflows.
• Automate infrastructure provisioning, configuration management, application deployment, and operational activities.
• Develop and maintain Helm charts for application packaging and deployment.
• Work closely with development, infrastructure, security, networking, and application teams to resolve complex platform issues.
• Integrate OpenShift and enterprise platforms through REST/SOAP APIs .
• Develop API consumers/publishers and support integration with external systems.
• Support high-availability architectures and ensure platform reliability and resilience.
• Troubleshoot complex issues involving OpenShift, networking, DNS, SSL/TLS, certificates, load balancers, firewalls, Active Directory, and infrastructure components.

Mandatory Technical Skills

• Red Hat OpenShift Strong hands-on expertise in Red Hat OpenShift Administration .
• Red Hat Certified OpenShift Administrator certification preferred/required.
• Extensive experience with installation, configuration, upgrades, automation, troubleshooting, and management of enterprise OpenShift clusters.
• Experience with OpenShift Virtualization / KubeVirt .
• Infrastructure as Code & Automation Expert-level experience with: Terraform Ansible Jenkins Strong understanding of Infrastructure as Code (IaC), configuration management, orchestration, and automation practices.
• CI/CD & GitOps Strong experience implementing GitOps-based deployment models .
• Hands-on experience with Argo CD / ArgoCD .
• Strong knowledge of Jenkins pipeline development.
• Ability to write and maintain Jenkinsfiles using Groovy.
• Experience with Helm and Helm chart development.
• Scripting & Automation Excellent scripting/programming capabilities using: Bash PowerShell Python Groovy Helm / Helm Templates

API & Integration

• Strong understanding of API communications and integrations.
• Hands-on experience with REST and SOAP APIs .
• Ability to develop and integrate API consumers and publishers.
• Understanding of authentication, communication protocols, and enterprise API integration patterns.

Infrastructure & Networking Knowledge

• DNS architecture and troubleshooting Authoritative and Non-Authoritative DNS Dynamic DNS BIND DNS DNS Forwarders Load Balancers Site Selectors Firewalls High Availability architectures Network communication and traffic flows SSL/TLS communication SSL handshake and certificate validation Cipher Suites and encryption algorithms

Security & Identity

• Strong understanding of enterprise security concepts, including: Active Directory Security Organizational Units (OUs) Active Directory policies Digital certificates SAN certificates Client authentication Keystores Mutual SSL / mTLS SSL/TLS security Secrets and privileged-access management Experience with enterprise vault and secrets-management technologies such as: HashiCorp Vault CyberArk

OpenShift & Platform Engineering

• The candidate should demonstrate a strong understanding of: OpenShift architecture and components Kubernetes concepts and orchestration Containerized application platforms OpenShift networking Storage and persistent volumes Cluster security High availability and disaster recovery concepts OpenShift Virtualization / KubeVirt Platform automation Enterprise workload migration Cloud-native application deployment

Required Experience

• 8+ years of overall experience in relevant technical positions, preferably within large enterprise environments.
• Strong hands-on experience administering and supporting enterprise-scale OpenShift platforms .
• Proven experience with automation, orchestration, and Infrastructure as Code.
• Experience working with complex enterprise infrastructure and security environments.
• Strong troubleshooting and problem-solving skills.
• Ability to work with multiple technical teams and stakeholders in a large-scale enterprise environment.