z/OS Mainframe Programmer
Core
Design and implement dynamic solutions for legacy mainframe applications supporting IRS tax processing, compliance, and data management systems.
Role type
Senior z/OS Mainframe Programmer
Builds
Legacy mainframe applications for IRS tax processing and compliance
Domain
Government / Tax Processing / Mainframe Systems
Required skills
Assembler Language programming, JCL, IBM z/OS, TSO/ISPF, SDSF, Endevor, FTP/SFTP, QSAM access methods, debugging and troubleshooting
Preferred skills
Tax Processing Systems knowledge, SSA/SSAE/SSAF/IDRS systems experience
Technologies
Assembler, JCL, IBM z/OS, TSO/ISPF, SDSF, Endevor, FTP, SFTP, IBM Debug Tool, FILE Manager
Responsibilities
Develop, maintain, and enhance legacy mainframe applications; Write, test, and troubleshoot programs using Assembler and JCL; Monitor and manage batch jobs through SDSF; Debug and resolve production issues; Manage code changes and version control using Endevor; Transfer and integrate data across systems using FTP/SFTP; Collaborate with business and technical teams to analyze requirements and design solutions; Document system specifications, program logic, and procedures; Ensure compliance with IRS security and data integrity standards; Contribute to modernization efforts by integrating legacy systems with emerging technologies.
Seniority
Senior, hands-on IC