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: Competitive Market rates
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