Platform Engineer (RHEL & OpenShift Specialist) 12-Month Contract – Onsite role
Overview: Seeking a Platform Engineer with expertise in Red Hat Enterprise Linux (RHEL) and OpenShift Container Platform (OCP) to manage enterprise infrastructure, container platforms, security, and operational support.
Key Responsibilities
- Administer and maintain RHEL 8/9 environments supporting OpenShift clusters and enterprise application servers.
- Execute OS patching, lifecycle upgrades, subscription management, system hardening, SELinux enforcement, and compliance activities.
- Deploy, upgrade, and manage OpenShift 4.x clusters, including worker nodes, control plane, certificates, RBAC, SCCs, quotas, networking, and storage.
- Manage Machine Config Operator (MCO) configurations, OS customisations, kernel parameters, SSH hardening, and NTP settings.
- Support Quay registry administration, image lifecycle management, vulnerability remediation, and container security practices.
- Provide platform support for enterprise applications such as Pega, WebSphere, IBM MQ, APIs, SFTP, and web services integrations.
- Perform performance tuning for containerised Java workloads, JVM optimisation, monitoring, backup, recovery, and operational governance.
- Collaborate with architecture and delivery teams on cloud-native, DevSecOps, CI/CD, IaC, and AWS-related initiatives.
Required Skills & Experience
- Minimum 3 years relevant experience with strong hands-on experience in RHEL System Administration within enterprise production environments.
- Proven experience deploying and administering OpenShift 4.x clusters and Day-2 operations.
- Knowledge of OpenShift networking, ingress, routes, storage classes, PV/PVC management, RBAC, SCCs, network policies, and security controls.
- Experience with Quay Registry, image scanning, vulnerability management, and air-gapped environments.
- Understanding of Kubernetes, microservices architecture, container lifecycle management, and enterprise integration platforms.
- Working knowledge of IBM MQ administration, high availability, messaging infrastructure, and troubleshooting.
- Exposure to AWS services including IAM, S3, CloudWatch, and hybrid cloud environments.
