Mainframe zOS System Programmer

Role: Mainframe zOS System Programmer
Client - Army & Air Force Exchange Service (AAFES)
Visa - and H1B visa's 
Positions - 5 

MAINFRAME APPLICATIONS AND SUBSYSTEMS:

 Support CICS systems for Milstar Star, ESSO, Walker, and additional applications.

 Provide operational support for MQSeries, IMS, and DB2 environments.

 Enhance and maintain VISION CICS and related high availability infrastructure.

 Support batch processing (IWS) and ensure SLA adherence to job completion windows.

 Oversee RMDS to JRB migration with minimal business disruption.

 Ensure continuous availability of TTERM.

 Manage and participate in Anglepoint software audits.

 Develop and maintain upgrade and maintenance budgets.

 Oversee certification renewals for software and platform compliance.

 Mainframe Hardware and Systems Software

 Provide technical leadership for zSeries hardware, storage, and zOS upgrades.

 Support zOS patching, maintenance, subsystem compatibility, and regression testing.

 Conduct disaster recovery failover testing with Recovery Time Objective (RTO) ≤ 4 hours and

Recovery Point Objective (RPO) ≤ 1 hour for production environments.

 Evaluate attached storage and recommend optimization or consolidation opportunities.

 Support data center migration, hardware refresh, and platform conversion initiatives.

 Recommend cost savings through platform rightsizing, workload consolidation, and licensing

optimization.

 Maintain currency with supported zOS versions and contractor roadmaps.

 Implement Infrastructure-as-Code (IaC) for repeatable, auditable environment provisioning.

 Use automation tools to handle routine tasks like patching, system monitoring, and compliance

reporting.