Senior z/Linux Engineer (RHEL/IBM Z)

This role is focused on the support, stability and continuous improvement of enterprise Linux environments running on IBM Z. You will work across a highly regulated, mission-critical platform, primarily supporting RHEL-based z/Linux systems under z/VM., * Provide hands-on support and engineering across enterprise Linux (RHEL) environments

• Support BAU operations across development, test and production (incident, problem and change)
• Provision, configure and maintain z/Linux virtual machines under z/VM
• Deliver OS patching, upgrades and vulnerability remediation across Linux platforms
• Support platform life cycle management, ensuring stability, performance and compliance
• Work closely with adjacent infrastructure teams (Mainframe, storage, network, security)
• Contribute to platform improvements, upgrades and optimisation initiatives
• Produce and maintain technical documentation, runbooks and operational procedures
• Participate in on-call/standby rota (approx. 1 week in 4-5)

This is a Linux-first role, requiring strong hands-on system administration experience within enterprise production environments. Exposure to IBM Z is highly beneficial, but strong Linux engineers with the right background will also be considered., * Strong Linux system administration experience (RHEL preferred)

• Proven experience supporting enterprise production environments (BAU, incidents, patching, upgrades)
• Experience working in regulated or large-scale environments (eg banking, government, utilities)
• Hands-on experience with OS patching, upgrades and vulnerability remediation
• Familiarity with ITIL-aligned processes (incident, problem, change management)
• Ability to work independently within an established infrastructure/platform team

Desirable:

• Experience with z/Linux (s390x) or Linux on IBM Z
• Exposure to z/VM and virtualisation concepts
• Experience with automation tools (Ansible, Bash, Python)
• Exposure to OpenShift or container platforms