Mainframe z/OS Developer

Infosys Public Services is seeking a Mainframe Z/OS Developer to join our team.

Required Skills:

• 4 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.

Soft Skills

• 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

Educational Requirements:

A bachelor's degree or foreign equivalent is required from an accredited institution. Will consider three years of progressive, relevant work experience instead of every year of education. Candidates who have completed a Master's degree program are strongly preferred.

The job entails sitting and working at a computer for extended periods. Should be able to communicate by telephone, email, or face-to-face. Travel may be required as per the job requirements.

The estimated annual compensation range for this role will be as follows:
In CA/ WA/NY/CO/MD/IL/MN/NJ/VT/MA: $73,000 to $102,200
In Washington, DC: $66,100 to $100,200

Client-provided location(s): Gunnison, CO

Job ID: Infosys-149798BR

Employment Type: OTHER

Posted: 2026-06-25T19:02:08