Senior Linux & OpenShift Infrastructure Engineer (L2/L3)

We are seeking an experienced Infrastructure Engineer to provide L2/L3 technical support and administration across Linux, Red Hat OpenShift and enterprise infrastructure environments. The role involves managing production infrastructure, troubleshooting complex technical issues, maintaining platform availability and supporting infrastructure automation.

• Administer and troubleshoot Red Hat Enterprise Linux (RHEL) servers, including installation, configuration, patching and security hardening.

• Manage and support Red Hat OpenShift Container Platform (OCP), including cluster operations, application deployments, upgrades and platform monitoring.

• Investigate and resolve L2/L3 infrastructure incidents and service requests within agreed SLAs.

• Perform system performance monitoring, capacity analysis and root cause analysis.

• Support AWS infrastructure, Nutanix environments and Apache web servers.

• Manage infrastructure changes, maintenance activities and patching in accordance with change management procedures.

• Monitor infrastructure using ELK Stack (Elasticsearch, Logstash and Kibana) and other monitoring tools.

• Develop scripts and automation using Ansible, Bash, Python or PowerShell.

• Support infrastructure integrations through APIs, JSON and CI/CD workflows.

• Troubleshoot infrastructure issues involving F5 load balancers, SNMP and related technologies.

• Maintain technical documentation, operational procedures and knowledge articles.

• Coordinate with internal technical teams, vendors and third-party service providers.

• Identify recurring incidents and automation opportunities to improve infrastructure reliability and operational efficiency.

• Support disaster recovery activities and testing where required.

• Hands-on experience in Linux system administration, particularly Red Hat Enterprise Linux (RHEL).

• Mandatory hands-on experience in Red Hat OpenShift Container Platform administration, including cluster management, deployment, monitoring, upgrades and troubleshooting.

• Experience supporting Linux and OpenShift platforms in production managed-services environments.

• Strong knowledge of Linux installation, configuration, patching, security hardening and performance troubleshooting.

• Familiarity with AWS administration, Nutanix, Apache web servers and BigFix.

• Working knowledge of infrastructure monitoring and ELK Stack.

• Experience with scripting and automation using Ansible, Bash, Python or PowerShell.

• Knowledge of Windows infrastructure technologies, including Active Directory Domain Services and SQL Server.

• Familiarity with F5 load balancers, SNMP, APIs, JSON and CI/CD processes.

• Experience with ITIL-based incident, problem, change and service request management.

• Working knowledge of ServiceNow or other ITSM ticketing platforms.

• Bachelor's degree in IT, Computer Science or equivalent qualification.

• Red Hat certification relevant to Linux System Administration.

• Red Hat OpenShift Container Platform (OCP) certification relevant to OpenShift Administration.

#Openshift

Skills

Infrastructure Monitoring, Maintenance Management, Linux System Administration, Openshift, Apache Web Server, PowerShell, Root Cause Analysis, monitoring SLAs, Microsoft SQL Servers, Bash, Monitoring, Applying Patches, ElasticSearch, Red Hat Enterprise Linux, Ansible, Deployment, Application Deployment