z/OS Systems Programmer - Mainframe (Fully Remote, UK-Based) - Up to £700 a day

z/OS Systems Programmer - Mainframe (Fully Remote, UK-Based) - Up to £700 a day

We are looking for a highly experienced z/OS Systems Programmer to join a contract assignment supporting enterprise-scale IBM Mainframe infrastructure.

You'll be responsible for the installation, customization, maintenance, and troubleshooting of z/OS and related IBM products in a complex, high-availability environment.

Key Responsibilities

• Install, upgrade, and maintain z/OS and related subsystems (eg, JES2, SMP/E, RACF, TSO, USS).

• Maintain and support IBM Middleware products (eg, DB2, CICS, MQ Series, IMS - if required).

• Manage IPLs, parmlib concatenations, SMF, SDSF, and ISPF customizations.

• Handle storage management (DFSMS, HSM, tape libraries) and performance tuning.

• Assist with disaster recovery testing, capacity planning, and patch cycles.

• Provide 3rd-line support and mentor junior system engineers where needed.

Experience

• 5+ years' hands-on experience as a z/OS Systems Programmer in a production environment.

• Deep knowledge of IBM Mainframe architecture and utilities.

• Strong experience with SMP/E, JES2, parmlib, HCD, and z/OSMF.

Please apply immediately for further details & a confidential discussion.