Mainframe z/OS Developer :: Washington, DC (Remote)

Mainframe z/OS Developer - Washington, DC (Remote)

Duration: 4+ months

Seeking for an experiencedMainframe z/OS Developer will have strong expertise inIBM z/OS,COBOL,JCL,CICS,DB2, andVSAM, with experience supporting enterprise mainframe applications and participating in modernization initiatives. This role involves developing, maintaining, troubleshooting, and enhancing mission-critical mainframe applications while collaborating with cross-functional teams to support modernization and integration efforts.

Required Skills:

• 5 years of hands-on experience with COBOL programming on IBM z/OS.
• Proficiency in JCL, VSAM, DB2, IMS, and CICS.
• Experience in mainframe migration projects or modernization initiatives is preferred.
• Familiarity with mainframe communication tools such as CICS and mainframe security protocols, including RACF.

Technical Skills:

• Must be proficient in JCL, COBOL, VSAM, and CICS.
• Strong knowledge of batch processing and online transaction processing.
• Must have experience with IBM utilities, TSO/ISPF, and Abend-AID.
• Experience with Control-D, Control-M, File-AID.
• Knowledge of best practices in mainframe migration planning, including risk assessment and resource management.
• Familiarity with AI/ML tools (CoPilot, WatsonX, ReDux, others) for code analysis, pattern recognition, or modernization support.
• Understanding of AI-driven code refactoring platforms/products and the ability to leverage AI to improve testing, documentation, and process optimization.
• Strong analytical and problem-solving abilities.
• Effective verbal and written communication skills, especially for collaborating on mainframe integration with Java developers and migration planning.
• Ability to work independently and in a team environment with a focus on quality and attention to detail.

Preferred Skills:

• Experience with DevOps practices on mainframes, including tools like Jenkins and Git.
• Prior experience with performance tuning on mainframe systems.
• Prior experience with ServiceNow.