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# Z/OS Systems Programmer

- **Company:** PTY TECH, LLC
- **Location:** Annapolis Junction, MD, United States
- **Salary:** $150,000.0 - $170,000.0
- **Contract:** Permanent contract
- **Skills:** Customer Information Control System (CICS), CLIST, IBM DB2, IBM System/360, IBM Mainframe, Rexx (Programming Language), Job Entry Subsystem 2/3, Job Scheduling, Mainframes, Nagios, Performance Tuning, IBM Resource Access Control Facility, Subsystems, Software Vulnerability Management, Z/OS, Cloud Integration
- **Published:** June 20, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=0036d3d08db792c7

## About the Role

Do you have experience in Vulnerability Remediation?

## Description

Executive Summary: z/OS Systems Programmer to support, maintain, and enhance the client's IBM mainframe environment, ensuring the stability, security, and performance of mission-critical systems., Position Description: We are seeking an experienced z/OS Systems Programmer to support, maintain, and enhance the client's IBM mainframe environment. The ideal candidate will have deep technical expertise in z/OS, subsystem configuration, system tuning, and operational support in a mission critical environment. This role ensures the stability, security, and performance of mainframe systems across production, test, and development environments., * z/OS Installation & Maintenance: Install, configure, and maintain z/OS and related IBM system software; manage SMP/E processes and PTF/RSU installations; maintain PARMLIB/PROCLIB and plan IPLs.

 * Subsystem Administration: Support and tune subsystems such as JES2/JES3, CICS, DB2, MQ, and IMS; troubleshoot subsystem issues to ensure performance and availability.
 * Performance & Capacity Management: Perform workload analysis using RMF/SMF; tune WLM policies; provide recommendations to optimize CPU, memory, I/O, and storage utilization.
 * Storage & I/O Configuration: Work with storage teams on SMS/HSM and DASD management; support IODF/HCD updates; validate TS7700/VTL replication.
 * Security & Compliance: Support RACF rules and digital certificates; assist with STIG compliance and vulnerability remediation; ensure configurations align with regulatory standards.
 * Automation & Operations: Develop automation scripts (REXX, CLIST, SA/Ops); support job scheduling; integrate with monitoring and alerting tools.
 * Incident & Change Management: Provide Tier III support for escalated issues; conduct root cause analysis (RCA); participate in change management and DR tests.
 * Documentation & Collaboration: Create technical documentation and SOPs; collaborate with cross-functional teams; assist in modernization and cloud integration initiatives.


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