Mainframe Automation System Programmer

Title:
Mainframe Automation System Programmer
Location:
Plano, TX

JOB DESCRIPTION:.

Required Qualifications

5+ years in Mainframe System Programming with strong focus on automation.

Proficiency in Rexx, CLIST, JCL, and experience with IBM Workload Scheduler automation.

Familiarity with z/OS subsystems (DB2, IMS, CICS, MQ) and operational workflows.

Strong understanding of WTOR handling, command automation, and event-driven triggers.

Experience with version control (Git) and Dev Ops practices for mainframe.

Preferred Qualifications

Exposure to Ansible for z/OS or similar automation frameworks.

Knowledge of REST APIs for mainframe integration with enterprise automation tools.

Experience in observability platforms (OMEGAMON, IBM Z Monitoring Suite).

Certifications:

IBM z/OS, Automation tools, ITIL.

Tools & Environment

Languages:

Rexx, CLIST, JCL, optional Python for z/OS.

Automation Frameworks:
Ansible for z/OS, IBM Workload Scheduler.

Monitoring: OMEGAMON, RMF/SMF.

Version Control:
Git, Change Man.

Roles & Responsibilities

Automation Development & Maintenance

Design and implement automation scripts (Rexx, CLIST, JCL, Ansible for z/OS) for routine operational tasks, health checks, and system recovery.

Develop WTOR confirmation automation for operator commands with validation logic.

Automate batch scheduling workflows in IBM Workload Scheduler (IWS/TWS) and integrate with enterprise orchestration tools.

Create self-healing mechanisms for common issues (e.g., MQ transmit queue backlogs, DB2 log utilization alerts, IMS region restarts).

Monitoring & Alerting

Build real-time monitoring dashboards for system health (CPU, DASD, queue depths, buffer pools).

Implement event-driven automation for proactive remediation (e.g., auto-restart channels, clear JES backlog).

Integrate automation with SIEM/SOC tools for security compliance.

Governance & Compliance

Ensure all automation adheres to audit requirements: capture execution logs, approvals, and artifacts.

Maintain version-controlled repositories for scripts and automation frameworks.

Validate automation against SOX/ISO controls and enforce segregation of duties.

Performance & Optimization

Automate capacity checks and performance tuning tasks for DB2, IMS, and CICS regions.

Reduce batch window through job stream optimization and dynamic workload balancing.