Expert z/OS managing critical mainframe environments, optimizing systems and enforcing security measures. Collaborating with internal teams and transferring knowledge.
Responsibilities
Administer and optimize z/OS systems and their associated components
Manage Sysplex, ICSF, and Coupling Facility environments
Configure and monitor network traffic and flows (VTAM, TCP/IP, TN3270, WAN)
Enhance security through RACF administration and firewall management
Contribute to automation using REXX, Shell, and USS scripting
Participate in knowledge transfer to internal teams
Requirements
Strong expertise in z/OS mainframe environments
Deep knowledge of networking and security
Proficiency with REXX, Shell, USS / Linux
High degree of autonomy, strong analytical skills, and clear communication
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