Salary: £121,000 - 121,000 per year Requirements: Min 5 years administration experience of IBM Message Queue (MQ) v9.x on z/OS IBM MQ clustering experience Operational experience using z/OS panels and MQ Explorer Experience implementing and supporting TLS Experience supporting and troubleshooting online systems Strong diagnostic and analytical skills across complex technical environments Responsibilities: Provide technical support across complex MQ environments to tight timescales Deliver incident, problem and change resolution across critical systems Drive delivery against the technology roadmap with key stakeholders Enforce standardisation and support continuous improvement initiatives Collaborate across wider middleware teams to develop and implement processes Deliver changes through RTL into production under governance independently Ensure strict adherence to operational processes and procedures Perform change and support activities outside business hours when required Work with IT Security to maintain MQ product security Maintain service stability, resilience and optimisation Technologies: IBM Support Security More: We are Atrium, supporting a client in the financial services industry who is seeking an experienced IBM MQ Administrator to join our mainframe middleware team. This role will focus on delivering complex technical support and project delivery across the IBM MQ estate on z/OS. You will be involved in supporting critical platforms across various business divisions including digital, payments, retail, and insurance. The position offers hybrid working in locations such as Edinburgh, Leeds, Halifax, or Manchester, with an expected day rate of £550 and potential involvement in out-of-hours deployments and migrations. last updated 12 week of 2026