Senior Mainframe Project Manager

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Date: Jan 16, 2026

Location: Sheffield, SHF, GB

Company: NTT DATA Services

Req ID: 354029

 

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.

Overview
 
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, DevOps), and leveraging mainframe expertise (zOS, CICS, DB2) for successful delivery, requiring strong leadership and vendor management. 
 
 
Key Responsibilities:
  • 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 DevOps, API integration, and ITIL, for enhanced mainframe operations.
  • Leadership: Motivate and guide multidisciplinary teams, ensuring clear direction and collaborative work environments. 
 
Required skills and qualifications:
  • 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 (DevOps, Cloud, API integration)
  • Risk management, budgeting and vendor management capabilities
 
Work model

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

 

Benefits

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 NTT DATA

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 DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, https://us.nttdata.com/en/contact-us.

NTT DATA endeavors to make https://us.nttdata.com accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at https://us.nttdata.com/en/contact-usThis contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here. If you'd like more information on your EEO rights under the law, please click here. For Pay Transparency information, please click here.

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