# Senior Red Hat OpenShift Administrator / Engineer

> GSSTech Group · Bengaluru, India · — · Posted 2026-09-09

**Workplace:** on_site

## 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

Strong conceptual and practical understanding of enterprise infrastructure, including:

-   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.

### 🔹 Preferred Qualifications

-   Red Hat Certified OpenShift Administrator certification.
-   Strong hands-on experience with **Ansible, Jenkins, and Terraform**.
-   Experience implementing **GitOps and Argo CD**.
-   Experience with cloud migration and modernization initiatives.
-   Experience supporting highly available and business-critical enterprise platforms.
-   Experience in banking, financial services, or other large regulated environments is highly desirable.

## Apply

[Apply at GSSTech Group](https://apply.workable.com/gsstech-group/j/036CD4113C/apply)

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