Senior Mainframe Developer: COBOL/CICS & z/OS

Tata Consultancy Services; Región Centro, Santiago de Querétaro, Monterrey; Hybrid; MXN 600,000 - 900,000; Full time

Benefits offered by this job

Direct contract

Benefits above law

Job summary

Tata Consultancy Services is seeking a Senior Mainframe Developer with 6+ years experience to design, develop, enhance, and support complex mainframe applications in a z/OS environment. You will work across Mexico offices in Guadalajara, Queretaro, Mexico City or Monterrey, with 2-3 days in the office per week.

You will code COBOL, JCL, DB2/IDMS, CICS, and VSAM, participate in the full SDLC, troubleshoot production issues, and mentor junior developers while ensuring performance and reliability

Qualifications

• 6+ years of mainframe development experience.
• Strong COBOL, JCL, CICS, DB2/IDMS, and VSAM skills.
• Experience in z/OS environment and end-to-end SDLC.
• Proficient in English and good communication.
• Experience in Agile/Scrum is preferred.

Responsibilities

• Analyze business requirements and translate them into technical solutions.
• Design, develop, test, and implement mainframe applications and enhancements.
• Create and maintain COBOL programs, JCLs, DB2/IDMS objects, VSAM files, and CICS transactions.
• Perform code reviews and ensure adherence to development standards and best practices.
• Investigate and resolve production incidents, batch failures, and performance issues.
• Support application releases, deployments, and post-implementation validation.
• Coordinate with business users, QA teams, and infrastructure teams during project delivery.
• Participate in application modernization, automation, and process improvement initiatives.
• Prepare technical documentation, impact analysis, and operational procedures.
• Provide technical guidance and mentoring to junior developers.

Skills

Advanced English

Mainframe development

Analytical thinking

Communication skills

Agile/Scrum

Tools

COBOL

JCL

CICS

DB2/IDMS

VSAM

z/OS

Batch processing

SDLC

Job description

Tata Consultancy Services is seeking a Senior Mainframe Developer with 6+ years experience to design, develop, enhance, and support complex mainframe applications in a z/OS environment. You will work across Mexico offices in Guadalajara, Queretaro, Mexico City or Monterrey, with 2-3 days in the office per week.

You will code COBOL, JCL, DB2/IDMS, CICS, and VSAM, participate in the full SDLC, troubleshoot production issues, and mentor junior developers while ensuring performance and reliability