Haystack
← Back to Jobs
Technology
ME

Mainframe Z/OS System Programmer

MetaRPONew York, NY🇺🇸United StatesPosted Sep 17, 2026

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
New York, NY, United States
Posted
22 hours ago
Capacity PlanningCompliancePythonRegulatory ComplianceScheduling

Job Description

Mainframe Z/OS System Programmer - New York, NY (Need Onsite day 1, 5 days from office)

The Role:

Client is seeking a Mainframe Z/OS System Programmer to join our team in New York, NY (Need Onsite day 1, 5 days from office)

Job Description:

We are seeking a skilled Mainframe Systems Programmer with experience in IBM z/OS environments. The ideal candidate will be responsible for supporting, maintaining, and enhancing mainframe systems and related infrastructure. The role requires strong expertise in z/OS system programming, automation, scheduling, security administration, and scripting to ensure high availability, performance, and operational efficiency of enterprise platforms.

The Role

Responsibilities:

  • Administer, maintain, and support IBM z/OS operating systems and associated mainframe infrastructure
  • Perform system programming activities including installation, customization, maintenance, and troubleshooting of z/OS components
  • Develop and maintain automation scripts using REXX, JCL, and Python
  • Support batch processing environments and scheduling activities using TWS (Tivoli Workload Scheduler/IBM Workload Scheduler).
  • Manage and troubleshoot SAS platform integrations and batch execution processes
  • Administer and maintain RACF security configurations, user access management, and compliance controls.
  • Work with Linux environments supporting application integrations and operational requirements
  • Conduct performance monitoring, capacity planning, system tuning, and problem determination.
  • Support incident, change, and release management activities following established IT processes.
  • Collaborate with infrastructure, application, and security teams to ensure system stability and regulatory compliance
  • Create and maintain technical documentation, operational procedures, and knowledge articles

Requirements:

  • Strong experience in z/OS Systems Programming
  • Expertise in JCL (Job Control Language)
  • Proficiency in REXX scripting
  • Experience with SAS administration and batch processing
  • Hands-on experience with TWS/IBM Workload Scheduler
  • Good working knowledge of Linux operating systems
  • Experience in Python scripting and automation
  • Strong knowledge of RACF security administration
  • Understanding of mainframe operations, system monitoring, and troubleshooting
  • Excellent problem-solving and analytical skills
  • Bachelor's degree in Computer Science, Information Technology, Engineering, or a related disciplineBachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline
  • Experience in ISPW Administration
  • Experience in ITOMS Administration
  • Exposure to DevOps practices and automation within mainframe environments
  • Knowledge of enterprise ITIL processes

Similar jobs