Mainframe production Assurance Sr. Specialist

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 production Assurance Sr. Specialist to join our team in Mckinney, Texas (US-TX), United States (US).

The Mainframe Production Assurance Analyst will be responsible for monitoring, supporting, and ensuring the stability of critical mainframe production systems. This role involves proactive oversight of daily batch cycles, incident resolution, access management coordination, and seamless execution of production processes to meet business SLAs.

Job Responsibilities Include :

Monitor and validate completion of daily, weekly, and monthly batch cycles across multiple business units.

Ensure timely execution of production jobs, identifying and resolving errors or delays.

Perform mainframe transaction and report validations.

Coordinate with infrastructure teams, Application Run and Build teams, External vendors, and Business Team.

Validation and Transfer Data from and to external vendors.

Troubleshoot job failures, escalate issues to Application technical teams, and track to resolution.

Maintain runbooks, job schedules, and operational documentation to support transitions.

Participate in change management activities - Deploy, validate changes, support cutover, and monitor post-implementation.

Provide production assurance reporting (daily status, exceptions, SLAs).

Support disaster recovery testing and ensure compliance with organizational standards.

Collaborate with cross-functional teams (application, operations, business) to ensure high system availability and reliability.

Basic Qualifications :

6+ years of experience in mainframe operations

6+ years of experience in production support / assurance roles

5+ years of experience with JCL tools

5+ yrs experience in production support utilizing JCL, COBOL, CICS, Easytrieve, VSAM, or related mainframe applications.

Preferred Skills :

Hands-on experience with JCL, batch scheduling tools (e.g., PCS, CA7), and mainframe utilities.

Hands-on experience with data files management (Sequential, GDG, VSAM and PDS)

Strong understanding of incidents, problems, and change management processes (ITIL preferred).

Familiarity with transaction validation and report printing processes.

Strong analytical, troubleshooting, and root cause analysis skills.

Excellent communication and coordination skills; ability to work across teams.

Ability to work in 24x7 production supports environments with on-call rotation.

Experience with financial services or insurance domain batch processing.

Experience with performance monitoring and tuning in production environments.

Experience Incident and SLA Management

Education :

• Bachelor's degree in computer science, Information Systems, or related field (or equivalent experience).

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, .

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