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.

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 idóneo 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
- 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.
- 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.
- 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.
- 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 cycle

📌 Software Development Senior Specialist (Guerrero)
🏢 Ntt Data North America
📍 Guerrero