About the Role
We are seeking 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.
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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:
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.
