IT & Software

z/OS Mainframe Systems Programmer Lead

NTT DATA

London · Greater London · United Kingdom

Overview

In this role you will lead the enterprise z/OS mainframe platform, driving architecture, upgrades, and lifecycle management. You will mentor teams, steer platform modernization, and act as the highest-level escalation point for complex issues. You’ll work closely with architecture, security, and operations to deliver scalable, high-availability mainframe solutions. This is a senior, strategically focused role in a regulated banking/financial services context with a strong emphasis on reliability and performance.

Pay / Benefits
  • competitive salary
  • comprehensive benefits package
  • remote work options
  • after-hours/shift support may be required
  • global opportunities
  • flexible work arrangements where possible
Responsibilities
  • Lead design, implementation, and support of enterprise z/OS infrastructure environments
  • Provide technical leadership for z/OS upgrades and lifecycle management
  • Architect and manage large Parallel Sysplex environments with high availability
  • Oversee installation, configuration, and support of IBM and Broadcom (CA) products
  • Establish best practices, standards, and governance for mainframe operations
  • Drive platform modernization, automation, performance optimization, and capacity management
  • Lead root cause analysis and resolution of production issues
  • Mentor junior and senior systems programmers
  • Manage vendor relationships and coordinate software upgrades and evaluations
  • Ensure security, risk, audit, and compliance requirements are met
  • Support disaster recovery planning, testing, and business continuity
  • Review designs for scalability and operational efficiency
  • Provide executive-level communication during incidents
  • Participate in after-hours maintenance and global operations
Key requirements
  • 15+ years of hands-on IBM z/OS Systems Programming
  • 5+ years leading Mainframe Infrastructure or Systems Programming teams
  • Experience supporting large-scale enterprise or financial services environments
  • Extensive experience with IBM and Broadcom (CA) mainframe products
  • Strong expertise in Parallel Sysplex, HA, DR, and mainframe architecture
  • Proven leadership of technical teams and large-scale initiatives
  • Expert knowledge of z/OS, SMP/E, TSO/ISPF, USS, SDSF, JCL, RACF
  • Advanced knowledge of z/OS internals, performance tuning, and problem determination
  • Experience with change management and production support
  • Strong stakeholder management and communication skills
  • Experience in regulated environments such as Banking or Financial Services
  • leadership
  • problem-solving
  • stakeholder management
  • z/OS
  • SMP/E
  • TSO/ISPF

Reference: WJ-747_30170068

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