Mainframe Assembler Developer

Req ID:

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 Assembler Developer to join our team in Chennai, Tamil Nādu (IN-TN), India (IN).

Job Summary

This position reports to the IT Application Manager and is responsible for the development, deployment, and support of new and existing applications to meet the current and future needs of the business.  Senior Programmer Analysts participate in all phases of the System Development Life Cycle as needed, applying expert knowledge of system interaction and business familiarity to meet business needs.  This work is performed as part of a team or as a team lead, depending on the project.

PriMARY Duties & Responsibilities

• Coordinate with clients and other I.T. personnel in analyzing system requests, developing specifications for new system development projects or for maintenance to existing mainframe-based applications. 
• Adhere to System Development Life Cycle standards, including preparation of project-related documents as requested by the Project Manager.
• Make design changes to programs, either alone or in concert with other programmers.
• Prepare unit and integration test plans for program changes, and in cooperation with clients and other I.T. personnel, perform the testing.
• Conduct thorough problem analysis in regard to technical system and application programs; documents findings and proposes problem resolution alternatives.
• Some on-call responsibilities to support production as needed.
• Communicate effectively with technical and non-technical audiences
• Communicate project progress and issues as needed.
• Prepare user and operational documentation for programming work performed.
• Serve as a Project Lead for smaller or less complex projects
• Serve as a mentor for less experienced programmer/analysts as needed.
• Serve as a 'go-to' resource for complex questions.
• Be a participatory team member, share knowledge, assist with projects as needed and suggest improvements for the system development process.

Knowledge, Skills, & Abilities

• 8+ years experience performing system development and support for mainframe-based applications.
• Proven experience in meeting deadlines and managing multiple priorities.
• Proven ability to work with clients in developing system solutions to business needs
• Mastery of mainframe development tools:  IBM Assembler Language is a must, COBOL, Easytrieve, CICS, VSAM, VSE/DOS.  
• Master of VSE tools such as: SyncSort, IDCAMS, CECI, CEDF, FTP, or any other third party toolset.
• Client/Server technology skills a plus. Working with .TXT, .XLS files and SQL is also a plus, but not required.
• Working skills for MS Office suite of products also preferred (Word, Excel, Visio)
• Working knowledge of systems development life cycle and use of structured methodologies and techniques (Waterfall, Agile).
• Experience working in a team environment.
• Strong technical, analytical and communication skills.

QUALIFICATIONS

• Bachelor's degree in Computer Science, Business Administration or other related field, or equivalent work experience.
• Insurance industry experience in life, health and annuity a plus.
• Travel would be very rare. Would be on an as needed basis.

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 part of NTT Group, which invests over $3 billion each year in R&D. Visit us at

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 and email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form,

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