Mainframe DB2 System Specialist

Overview

Mainframe DB2 System Specialist – Knutsford or Glasgow. 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.

Responsibilities

• Install 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.

Qualifications

• Proven DB2 Systems Programming experience with installation, maintenance, upgrades, and tooling.
• Strong mainframe fundamentals including 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

#J-18808-Ljbffr…