z/OS Mainframe Systems Programmer Lead

NTT DATA
UK
6 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
5 years minimum
Working hours
Regular working hours

Tech stack

Unix Cyber Security Disaster Recovery IBM Parallel Sysplex IBM System/360 Job Control Language (JCL) IBM Mainframe Rexx (Programming Language) Mainframes Performance Tuning IBM Resource Access Control Facility Broadcom
+9 more
SAS (Software) System Programming System Software Z/OS Tso/ispf Cloud Platform System System Availability HybridCloud Omegamon

Job description

We are seeking an experienced z/OS Mainframe Systems Programmer Lead to provide technical leadership and strategic direction for the enterprise IBM Z platform. This role is responsible for the architecture, installation, upgrade, maintenance, and support of z/OS and associated IBM and Broadcom (CA) system software products across complex, mission-critical environments., * Lead the design, implementation, enhancement, and support of enterprise z/OS infrastructure environments.

  • Provide technical leadership for z/OS operating system upgrades, maintenance, and system software lifecycle management.
  • Architect and manage large-scale Parallel Sysplex environments ensuring high availability, resilience, and performance.
  • Oversee installation, configuration, customization, and support of IBM and Broadcom (CA) products.
  • Establish best practices, standards, and governance for mainframe infrastructure operations.
  • Lead strategic initiatives involving platform modernization, automation, performance optimization, and capacity management.
  • Drive root cause analysis and resolution of critical production incidents and platform-related problems.
  • Act as the highest-level technical escalation point for complex infrastructure issues.
  • Collaborate with enterprise architecture, security, application, and operations teams to deliver technical solutions.
  • Support disaster recovery planning, testing, and business continuity requirements.
  • Review infrastructure designs and provide recommendations for scalability, reliability, and operational efficiency.
  • Mentor and coach junior and senior systems programmers, fostering technical growth within the team.
  • Manage vendor relationships and coordinate software upgrades, patches, and product evaluations.
  • Ensure adherence to security, risk, audit, and compliance requirements.
  • Lead and support production implementations during planned maintenance windows, including off-hours activities when required., * Provide technical leadership and ownership of the enterprise mainframe platform.
  • Drive platform stability, availability, security, and performance improvements.
  • Establish infrastructure roadmaps and contribute to long-term technology strategy.
  • Lead system software upgrades, migrations, and modernization initiatives.
  • Ensure compliance with organizational policies, audit requirements, and regulatory standards.
  • Mentor and develop team members while promoting a collaborative and high-performance culture.
  • Participate in incident management and provide executive-level communication during critical situations.
  • Support global operational requirements, including after-hours and weekend maintenance activities.
  • Foster continuous improvement through automation, standardization, and operational excellence.
  • Partner with business, technology, and vendor stakeholders to deliver strategic outcomes.

Requirements

The ideal candidate will be a senior technical leader with deep expertise in z/OS systems programming, Parallel Sysplex environments, and enterprise-scale infrastructure management. The individual will lead system modernization initiatives, mentor technical teams, drive operational excellence, and serve as the highest level of escalation for complex platform-related issues.

The successful candidate should possess outstanding problem-solving capabilities, strong stakeholder management skills, and the ability to influence technical decision-making across multiple teams. Experience within large banking or highly regulated organizations is strongly preferred., * Typically 15+ years of hands-on experience in IBM z/OS Systems Programming.

  • Minimum 5+ years of experience leading Mainframe Infrastructure or Systems Programming teams.
  • Proven experience supporting large-scale enterprise, banking, or financial services environments.
  • Extensive experience in installation, customization, upgrade, maintenance, and support of IBM and Broadcom (CA) mainframe products.
  • Strong expertise in Parallel Sysplex, high availability, disaster recovery, and enterprise mainframe architecture.
  • Extensive experience leading technical teams and large-scale mainframe initiatives.
  • Expert knowledge of:
  • z/OS
  • SMP/E
  • TSO/ISPF
  • UNIX System Services (USS)
  • SDSF
  • JCL
  • RACF
  • Advanced expertise in Parallel Sysplex architecture, implementation, and administration.
  • Extensive experience installing and supporting multiple IBM and Broadcom (CA) products.
  • Deep understanding of z/OS system internals, performance tuning, and problem determination.
  • Experience in enterprise change management and production support environments.
  • Strong stakeholder management and leadership skills.
  • Exceptional analytical, troubleshooting, and decision-making abilities.
  • Excellent written, verbal, and presentation skills.
  • Experience working in highly regulated environments such as Banking or Financial Services., * ACF2 Security Administration
  • GDPS
  • RACF Security Architecture
  • Assembler
  • REXX
  • OMEGAMON
  • RMF
  • SMF
  • SAS

Experience with Mainframe Automation and Infrastructure as Code initiatives.

Exposure to hybrid cloud integration and modernization programs involving IBM Z.

Experience leading enterprise-wide platform transformation projects.

IBM Mainframe or IBM Z certifications.

Knowledge of audit, regulatory, and compliance frameworks applicable to financial services organizations., * IBM z/OS

  • SMP/E
  • TSO/ISPF
  • USS (UNIX System Services)
  • SDSF
  • JCL
  • RACF
  • Parallel Sysplex
  • IBM System Software Products
  • Broadcom (CA) System Software Products
  • Mainframe Architecture & Infrastructure Leadership, * RACF Security Administration
  • Assembler
  • REXX
  • OMEGAMON
  • RMF
  • SMF
  • SAS
  • Mainframe Automation Tools
  • Capacity Planning & Performance Management

Benefits & conditions

Our people are the most critical component of our long-term success and their health and wellbeing are our priority. You will enjoy a comprehensive, locally competitive benefits package.

About the company

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

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