Discover your future at Citi

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Job Overview

Role Summary

We are seeking a talented and motivated Mainframe Developer with 2.5 to 4 years of professional experience to join our dynamic team. The ideal candidate will be responsible for designing, developing, testing, and maintaining critical applications on our mainframe systems. This role requires a strong understanding of mainframe technologies, programming languages, and a commitment to delivering high-quality, efficient solutions.

Key Responsibilities

• Application Development: Design, code, and implement new applications or enhancements to existing mainframe systems using COBOL, JCL, DB2, and CICS.
• System Maintenance: Perform routine maintenance, debugging, and troubleshooting of mainframe applications to ensure optimal performance and reliability.
• Performance Tuning: Optimize mainframe applications for performance, efficiency, and scalability.
• Testing: Develop and execute unit, integration, and system tests to validate application functionality and data integrity.
• Documentation: Create and maintain comprehensive technical documentation, including design specifications, program flows, and operational procedures.
• Collaboration: Work closely with business analysts, project managers, and other developers to understand requirements, define solutions, and resolve technical issues.
• Problem Resolution: Diagnose and resolve production incidents and problems in a timely manner.
• Code Review: Participate in code reviews to ensure adherence to coding standards, best practices, and system architecture.

Required Skills

• 3+ Years of total experience
• Programming Languages: Strong proficiency in COBOL.
• Mainframe Technologies: In-depth knowledge and hands-on experience with:
  • Job Control Language (JCL)
  • DB2 (Database 2)
  • CICS (Customer Information Control System)
  • VSAM (Virtual Storage Access Method)
  • TSO/ISPF (Time Sharing Option/Interactive System Productivity Facility)
• Tools: Experience with mainframe utilities, debugging tools, and version control systems (e.g., Endevor, Changeman).
• Operating Systems: Familiarity with z/OS.
• Analytical Skills: Excellent problem-solving and analytical capabilities.
• Communication: Strong written and verbal communication skills, with the ability to articulate technical concepts clearly.
• Teamwork: Ability to work effectively in a collaborative team environment.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.