Software Development Senior Specialist

Req ID: 375476

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 Software Development Senior Specialist to join our team in guadalajara, Jalisco (MX-JAL), Mexico (MX).

• Hands-on development experience in Mainframe support L2 with strong expertise in mainframe application maintenance.

• 6-8 overall Software experience
• Strong in Mainframe
• The ideal candidate will have hands-on experience in COBOL, JCL, DB2, and VSAM, along with solid analytical and debugging skills.
• The role involves enhancing, supporting, and modernizing mainframe-based applications in a high-availability enterprise environment.

Roles and Responsibilities

1. Application Development & Enhancement

• Design, code, test, and implement COBOL programs in a Mainframe (z/OS) environment.
• Develop and maintain batch and online applications using COBOL, JCL, DB2, and CICS.
• Work on change requests, new enhancements, and production defect fixes.
• Ensure compliance with coding standards, performance optimization, and quality guidelines.

2. Database and File Management

• Write efficient SQL queries and embedded DB2 SQL within COBOL programs.
• Work with VSAM files, sequential datasets, and data manipulation utilities.
• Analyze performance issues related to I/O, indexes, and locking mechanisms.

3. Analysis & Documentation

• Understand business requirements, prepare technical design documents (TDD) and impact analysis.
• Participate in code reviews, peer testing, and QA coordination.
• Maintain version control and deployment documentation using tools such as Endevor, Changeman, or Serena.

4. Collaboration & Communication

• Work closely with business analysts, testers, and project managers to ensure timely delivery.
• Provide knowledge transfer (KT) and mentoring for junior developers.
• Participate in agile ceremonies or waterfall review cycles based on project methodology.

Technical Skills Required

Category:-Technologies / Tools

• Programming Languages: COBOL, JCL, CICS
• Databases-DB2, VSAM
• Operating System-IBM z/OS, MVS
• Utilities / Tools-File-Aid, Abend-AID, Expeditor, QMF, SPUFI
• Job Scheduling-CA7, Control-M (or equivalent)
• Version Control-Endevor, Changeman, Serena
• Debugging & Monitoring-Xpediter, Abend-AID, ISPF, SDSF
• Additional (Good to Have)-REXX, Easytrieve, MQ, API Integration basics

Soft Skills

• Strong analytical and debugging ability.
• Excellent communication and documentation skills.
• Ability to work independently and in cross-functional teams.
• Strong customer focus and ownership mindset for production stability.
• Experience working in agile or ITIL-based environments

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, @nttdatafed.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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