Senior z/OS Mainframe Systems Programmer — Remote

NTT America, Inc.; City Of London; Remote; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Fully remote work

Flexible UK/Europe work options

Job summary

NTT DATA is seeking an experienced z/OS Mainframe Systems Programmer to join our enterprise infrastructure team in the UK/Europe. The role focuses on installation, upgrade, maintenance and support of the IBM z/OS operating system and related products in remote and on-site settings.

The ideal candidate will have deep z/OS expertise, strong Parallel Sysplex administration skills, and a track record in mission-critical environments such as banking or financial services.

Qualifications

• 10+ years hands-on experience in z/OS Systems Programming.
• Deep knowledge of z/OS Operating System, SMP/E, TSO/ISPF, USS, SDSF, JCL, RACF.
• Strong expertise in Parallel Sysplex implementation and administration.
• Experience installing, configuring, and maintaining IBM and CA/Broadcom mainframe products.
• Experience in large enterprise environments, preferably within Banking/Financial Services.

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 activities using SMP/E.
• Administer large-scale Parallel Sysplex environments for high availability.
• Perform system monitoring, capacity planning, and resource optimization.
• Collaborate with application support, infrastructure, security, and operations teams.
• Provide technical guidance and mentoring to junior team members.
• Support production implementations and planned maintenance, including after-hours work.

Skills

z/OS

SMP/E

TSO/ISPF

USS

SDSF

JCL

RACF

Parallel Sysplex

IBM/CA-Broadcom products

Job description

NTT DATA is seeking an experienced z/OS Mainframe Systems Programmer to join our enterprise infrastructure team in the UK/Europe. The role focuses on installation, upgrade, maintenance and support of the IBM z/OS operating system and related products in remote and on-site settings.

The ideal candidate will have deep z/OS expertise, strong Parallel Sysplex administration skills, and a track record in mission-critical environments such as banking or financial services.