z/OS Mainframe Systems Programmer

NTT
London, Sheffield
Workplace: RemoteFull timeFunction: Software EngineeringExperience: 10+ yearsSkills: ["Troubleshooting","Problem-solving","Analytical thinking","Collaboration","Communication"]

Install, upgrade, maintain, and support IBM z/OS and enterprise mainframe software products (IBM and CA/Broadcom) for mission-critical environments. Administer Parallel Sysplex with high availability and performance, execute SMP/E upgrades, monitor capacity, and troubleshoot complex system-level issues across z/OS, middleware, and infrastructure. Support disaster recovery, security controls, compliance, and documentation while participating in after-hours planned maintenance and production incident resolution.

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FursaFursa
NTT
NTT
3 days ago

z/OS Mainframe Systems Programmer

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Last checked: 15 hours agoStatus: Live

Job Summary

Install, upgrade, maintain, and support IBM z/OS and enterprise mainframe software products (IBM and CA/Broadcom) for mission-critical environments. Administer Parallel Sysplex with high availability and performance, execute SMP/E upgrades, monitor capacity, and troubleshoot complex system-level issues across z/OS, middleware, and infrastructure. Support disaster recovery, security controls, compliance, and documentation while participating in after-hours planned maintenance and production incident resolution.
Location: London, Sheffield
Workplace: Remote
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Install, configure, customize, upgrade, and maintain IBM z/OS operating systems.
  • •Manage and support IBM and CA/Broadcom system software products across enterprise environments.
  • •Plan and execute z/OS upgrades and software maintenance using SMP/E.
  • •Administer Parallel Sysplex environments to ensure high availability and performance.
  • •Provide on-call/after-hours support and participate in root cause analysis, problem management, documentation, and operational runbooks.

Key Requirements

  • •10+ years of hands-on z/OS Systems Programming experience.
  • •Strong knowledge of z/OS, SMP/E, TSO/ISPF, UNIX System Services (USS), SDSF, JCL, and RACF.
  • •Expert-level Parallel Sysplex implementation, support, and administration.
  • •Experience installing, configuring, and maintaining multiple IBM and CA/Broadcom mainframe products across enterprise environments.
  • •Ability to troubleshoot complex system-level issues and independently manage complex technical assignments in mission-critical production environments with SLA requirements.
Experience:10+ yearsMainframeEnterprise infrastructureMission-criticalBankingFinancial services
Skills:TroubleshootingProblem-solvingAnalytical thinkingCollaborationCommunication
Tech Stack:Z/OSIBM z/OSSMP/ETSO/ISPFUNIX System Services (USS)USSSDSFJCLRACFParallel SysplexIBMCA/BroadcomACF2GDPSAssemblerREXXOMEGAMONRMFSMFSAS

Company Brief

NTT
Dimension Data, operating under NTT Ltd, provides managed IT services, cloud and data center solutions, networking, cybersecurity, and digital transformation services to enterprise customers worldwide.
Industry: Professional Services
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Established Company
Valuation: Public Company (Market Cap in USD)
Headquarters: London, United Kingdom
Founded: 1983
WebsiteLinkedIn