Senior Red Hat OpenShift Administrator / Engineer
Global Software Solutions GroupJob 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