Z/OS Systems Engineer

UST is looking for a z/OS Systems Engineer to support and enhance our enterprise platform. This role focuses on z/OS administration, CICS management, security and encryption (TLS/ICSF), and ensuring reliable, secure, and efficient operations. The ideal candidate brings strong z/OS expertise and the ability to work across evolving, cloud-integrated environments.

Key Responsibilities

• Provide day-to-day support and administration of the z/OS operating system and related subsystems.
• Manage, configure, and troubleshoot CICS regions, resources, and runtime environments.
• Implement and support TLS and enterprise encryption capabilities across z/OS components.
• Support and manage ICSF (Integrated Cryptographic Service Facility), including key lifecycle and cryptographic operations.
• Monitor system performance and proactively resolve issues to maintain high availability and reliability.
• Participate in system upgrades, patching, and mainte...