Job Description

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.



We are currently seeking a Mainframe Performance and Capacity Management Engineer (REMOTE) to join our team! This role is fully remote and can be based anywhere in Canada but Eastern time zone working hours are required.



The Mainframe Performance and Capacity Management Engineer will be responsible for real-time mainframe performance monitoring, anomaly detection, and incident prevention to support our mission-critical workloads. You will use your expertise in performance optimization, capacity planning, and data analysis to identify both performance and capacity exceptions, ensuring our mainframe infrastructure operates efficiently and effectively. Leverage advanced tools and your technical expertise to safeguard performance, optimize resources, and enable seamless operations across critical business workloads. Collaborate with infrastructure, DevOps, operations, and application teams to ensure optimal workload behavior, guide performance tuning, and surface insights that drive engineering and business decisions.

Job Responsibilities Include:

Performance Management and Capacity Planning:

Monitor real-time z/OS system health and performance across CPU, memory, DASD, and WLM-managed workloads, using tools including RMF, SmartIS, IzPCA, MICS, and other internal tools. Analyze performance data to identify trends, bottlenecks, and potential issues. Detect, troubleshoot, and resolve resource anomalies, workload misbehaviors, and degradation risks in production systems. Partner with incident response teams to resolve performance issues quickly and accurately. Develop and implement performance tuning strategies by recommending changes to service definitions, dispatching priorities, and workload placement. Contribute to capacity planning by forecasting and modeling workload resource demand & capacity requirements. Support cost modeling, vendor reporting (SCRT), infrastructure sizing and resource optimization efforts.


Data Analysis:

Collect and analyze system performance data to generate reports and dashboards. Identify key performance indicators (KPIs) and develop metrics to track system performance. Visualize, summarize and present data findings, recommendations, and methodology to senior leadership, department leadership and enterprise stakeholders (technical and non-technical stakeholders)


Collaboration and Communication:

Work closely with cross-functional teams, including operations, development, and infrastructure teams. Provide technical support and guidance to team members and stakeholders. Participate in on-call rotations and provide timely responses to performance and observability issues. Participate in migration of performance/capacity tooling to Git change management and DevOps deployment pipelines.

Basic Qualifications:

Bachelor's degree in information systems, Mathematics, Finance or another quantitative or related subject 10+ years of mainframe systems experience with proficiency in performance management for large, multi-processor, multi-LPAR, Parallel Sysplex environments utilizing z/OS Proven 10 + Years of experience in mainframe performance monitoring, observability, capacity management, and data analysis. Proven 10 + Years of experience resolving systems performance problems in real-time via adjustments to WLM and batch initiators. 10 + Years experience of Strong understanding of PR/SM. Proficiency 10 + Years of in REXX/Python, Job Control Language (JCL) & DB2 Strong understanding of Batch Processing and Job Scheduling Advanced user of MS Excel (Charts, Pivot tables, Vlookups, PowerPivot) and PowerPoint for data visualization. 10 + Years of Experience with mainframe monitoring tools and performance tuning techniques. 10 + Years of Experience working with large highly transactional datasets to draw insights and create organizational value.

Preferred Skills:

Experience working with DevOps Experience working with ADABAS


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About NTT DATA

NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at us.nttdata.com



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.

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