Join our Mainframe Engineering function as a DB2 System Specialist, where you'll take ownership of installing, configuring, and maintaining IBM DB2 systems that power mission critical banking platforms. This is a hands on, engineering focused role for specialists who thrive on performance, reliability, and automation at scale.
What You'll DoInstall and maintain IBM DB2 - Lead installation, upgrades, and maintenance of DB2 and related tooling (DB2 CA, DB2 Connect, Data Studio).
Optimise system performance - Tune, monitor, and troubleshoot DB2 subsystems to ensure high availability and efficiency.
Engineer mainframe automation - Reduce manual effort and operational risk by enhancing automation across the DB2 environment.
Act as a DB2 Systems Programming expert - Serve as a senior technical authority for DB2 internals, RACF integration, and subsystem behaviour.
Support transformation and reliability - Contribute to change, risk, and reliability initiatives across the mainframe estate.
Proven DB2 Systems Programming experience with installation, maintenance, upgrades, and tooling.
Strong mainframe fundamentals TSO, JCL, REXX, SQL and z/OS operational knowledge.
Deep understanding of DB2 performance, optimisation, and monitoring techniques.
Hands on experience with automation and DevOps tooling such as VS Code, Db2 Developer Extensions, or similar.
Knowledge of z/OSMF, Broadcom/IBM DB2 tools, DB2 internals, and RACF security.
Ability to operate in a risk controlled, transformation driven environment.
GCS is acting as an Employment Agency in relation to this vacancy.