Senior z/OS Mainframe Systems Programmer – Remote

NTT America, Inc.; Greater London; Remote; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Comprehensive benefits

Job summary

NTT DATA is seeking an experienced z/OS Mainframe Systems Programmer to join our enterprise infrastructure team. This role covers installation, upgrade, maintenance and support of IBM z/OS and related products, with the possibility of fully remote work for the UK and Europe.

The ideal candidate has extensive z/OS systems programming experience, strong Parallel Sysplex skills, and a track record in large-scale, mission-critical environments such as banking.

Qualifications

• 10+ years of hands-on experience in z/OS Systems Programming.
• Deep knowledge of z/OS, SMP/E, TSO/ISPF, USS, SDSF, JCL, RACF.
• Strong expertise in Parallel Sysplex implementation and support.
• Experience installing, configuring, and maintaining IBM and CA/Broadcom mainframe products.
• Experience in large enterprise environments, preferably Banking/Financial Services.
• Excellent troubleshooting and problem-solving abilities.
• Ability to independently manage complex technical assignments.

Responsibilities

• Install, configure, customize, upgrade, and maintain IBM z/OS operating systems.
• Manage and support IBM and CA/Broadcom system software across enterprise environments.
• Plan and execute OS upgrades and maintenance using SMP/E.
• Administer and support large-scale Parallel Sysplex environments.
• Perform system performance monitoring, capacity planning, and optimization.
• Resolve complex system-level issues involving z/OS, middleware, and infrastructure components.
• Collaborate with cross-functional teams to ensure platform stability.
• Provide documentation and runbooks; participate in root cause analyses.

Skills

z/OS

SMP/E

TSO/ISPF

USS

SDSF

JCL

RACF

Parallel Sysplex

IBM CA/Broadcom products

Tools

IBM z/OS products

CA/Broadcom products

Job description

NTT DATA is seeking an experienced z/OS Mainframe Systems Programmer to join our enterprise infrastructure team. This role covers installation, upgrade, maintenance and support of IBM z/OS and related products, with the possibility of fully remote work for the UK and Europe.

The ideal candidate has extensive z/OS systems programming experience, strong Parallel Sysplex skills, and a track record in large-scale, mission-critical environments such as banking.