Senior Mainframe Workload Scheduler Specialist

About the role

As a Senior Mainframe Workload Scheduler Specialist, you will be accountable for the installation, configuration, design, reliability, and evolution of the mainframe batch workload automation environment. You will design and optimise enterprise‑wide batch scheduling solutions, improving how we orchestrate and automate business‑critical processing.

Key responsibilities

• Install, configure and upgrade IBM Workload Scheduler for z/OS (IWS/TWS) and related non‑IBM tools such as IWS/BatchAD, IWS/BatchCP, IWS/Audit, IWS/Graph and XINFO.
• Develop scheduling architecture that integrates with z/OS Workload Manager (WLM) policies to meet strict SLAs for job completion and throughput.
• Modernise the scheduling environment by introducing APIs, Zowe CLI or REST interfaces for CI/CD pipeline integration.
• Monitor scheduling performance, build observability, and resolve job failures rapidly.
• Collaborate with application development, operations and infrastructure teams to gather requirements and ensure bank‑wide impact.

Required profile

• 8+ years of experience in mainframe batch scheduling and automation, with hands‑on expertise in SMP/E packaging and z/OS software installation.
• Deep knowledge of IBM Workload Scheduler for z/OS, including job‑scheduling concepts, calendar/plan management and subsystem tuning.
• Proven ability to design and optimise workload automation solutions that interact with z/OS Workload Manager.

Required skills

• IBM Workload Scheduler for z/OS (IWS/TWS)
• SMP/E, z/OS, z/OS Workload Manager (WLM)
• IWS/BatchAD, IWS/BatchCP, IWS/Audit, IWS/Graph, XINFO
• REXX and JCL scripting
• Zowe CLI or REST API integration