Senior Mainframe Project Manager

Competitive salary | UK:
Hybrid: remote + Sheffield (or combination London/Sheffield)

At NTT DATA, we know that with the right people on board, anything is possible. The quality, integrity, and commitment of our employees are key factors in our company's growth, market presence and our ability to help our clients stay a step ahead of the competition. By hiring the best people and helping them grow both professionally and personally, we ensure a bright future for NTT DATA and for the people who work here.

NTT DATA is currently looking for a Senior Mainframe Project Manager (hybrid: remote + Sheffield or combination London/Sheffield) for our growing team in the UK.

The Senior Mainframe Project Manager leads complex projects involving core systems (like z/OS, COBOL, JCL), overseeing planning, execution, risk management, and stakeholder communication to ensure alignment with business goals, often managing transformations, migrations, and modernizations while ensuring system stability and performance. Key duties include budget control, resource allocation, driving process improvements (ITIL, Dev Ops), and leveraging mainframe expertise (zOS, CICS, DB2) for successful delivery, requiring strong leadership and vendor management.

• Project Planning & Execution
  :
  Develop comprehensive plans, define scope, set timelines, manage resources, and track deliverables for mainframe projects.
• Technical Oversight
  :
  Guide teams using expertise in z/OS, COBOL, JCL, DB2, CICS, and REXX, ensuring system availability, performance, and security.
• Stakeholder Management
  :
  Build relationships, manage expectations, and communicate effectively with business leaders, technical teams, and end-users.
• Risk & Change Management
  :
  Conduct risk assessments, develop mitigation strategies, and implement change management for smooth transitions during modernizations or migrations.
• Budget & Vendor Management
  :
  Control project finances, optimize costs, and manage vendor contracts and relationships.
• Process Improvement
  :
  Drive adoption of best practices, including Dev Ops, API integration, and ITIL, for enhanced mainframe operations.
• Leadership
  :
  Motivate and guide multidisciplinary teams, ensuring clear direction and collaborative work environments.

• Proven experience managing large-scale mainframe projects (e.g. z/OS (preferred), AS/400)
• Strong knowledge of mainframe technologies: COBOL, JCL, CICS, DB2, REXX
• Proficiency in project management methodologies (Agile, Waterfall) and tools
• Excellent communication, leadership and stakeholder engagement skills
• Experience with modernization efforts (Dev Ops, Cloud, API integration)
• Risk management, budgeting and vendor management capabilities

Hybrid work - remote + on client site (Sheffield or a combination of London + Sheffield)

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.

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.

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client's needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT…