OpenShift/zLinux Engineer (IBM Z)

OpenShift/zLinux Engineer (IBM Z)

Duration: Initial 6 months (likely extension)
Location:
Leeds (preferred)
Open to Edinburgh, Manchester, Halifax OR even UK-wide

Onsite requirements: Hybrid - 2 days a week onsite to closest office
Engagement Type: outside IR35
Day Rate: Upto £550 per day (DoE)

Right to work: Candidates must have the legal right to work in the UK. Unfortunately, sponsorship is not available for this role.

Atrium Global is partnering with a leading client in the financial services sector to secure an experienced OpenShift/zLinux Engineer to join a specialist Mainframe Services team within a Core Infrastructure Platform environment.

Job Overview
The OpenShift/zLinux Engineer will provide specialist technical capability to support, engineer and enhance the z/Linux estate within a core enterprise infrastructure platform.

This role sits within a Mainframe Services function and focuses on maintaining and improving a highly available, secure and compliant Linux platform running on IBM Z. The environment includes OpenShift on IBM Z (OCPz), z/VM and enterprise Linux systems.

You will operate within a team of platform engineers, supporting both BAU and change activity across development, test and production environments, contributing to platform stability, resilience and continuous improvement.

RESPONSIBILITIES
- Act as a technical specialist for OpenShift on IBM Z (OCPz), supporting platform stability and engineering change
- Provide BAU support across development, test and production environments (incident, problem and change management)
- Build, configure and maintain RHEL-based z/Linux virtual guests on IBM Z under z/VM
- Deliver patching, upgrades and vulnerability remediation across Linux and OpenShift platforms
- Support engineering and project activity including platform enhancements and infrastructure upgrades
- Collaborate with adjacent platform teams including Mainframe, storage, network, security and application teams
- Produce and maintain technical documentation including build guides and operational runbooks
- Participate in on-call/out-of-hours support rota (approx. 1 week in 5)

REQUIREMENTS
- Strong hands-on experience with OpenShift/container platforms (ideally OpenShift on IBM Z/OCPz)
- Proven experience working in enterprise production environments (high availability, regulated services)
- Strong Linux system administration skills (RHEL preferred)
- Experience with z/Linux (s390x) or Linux on IBM Z environments
- Working knowledge of z/VM and virtualisation concepts
- Experience delivering OS patching, upgrades and vulnerability remediation
- Familiarity with ITIL-aligned incident, problem and change management
- Ability to work independently within an established platform engineering team
- Willingness to participate in an on-call rota