Need Only W2 - Urgent Role - Mainframe Role - Fully Remote

About the role

Administer and support IBM z/OS mainframe environments, including job scheduling configuration, LPAR performance, and IPL processes.

Responsibilities

• Perform daily system health checks, job monitoring, and performance tuning using tools such as Omegamon, RMF, and SMF.
• Apply z/OS maintenance and upgrades using System Modification Program, ensuring changes are validated and documented.
• Configure and optimize IBM Workload Manager (WLM) to enforce workload prioritization and meet service goals.
• Monitor and support IBM Db2 for z/OS, including subsystem configuration, job tracking, performance tuning, and collaboration with DBAs.
• Manage Hitachi mainframe-compatible storage systems, including volume allocation, data set migration, HSM policy enforcement, and storage analysis.
• Implement and maintain Data Domain backup technologies and snapshot-based recovery solutions to support DR, archival, and restore processes.
• Administer RACF (or equivalent) security settings, conduct access audits, enforce compliance, and support incident investigations.
• Support SSL and related security protocols across mainframe subsystems to ensure secure communication and compliance with encryption standards.
• Troubleshoot and resolve system and performance issues, including CPU utilization, storage bottlenecks, and misconfigured WLM policies.
• Maintain and support middleware integrations with CICS, MQ, IMS, FTP, and distributed systems via TCP/IP, VTAM, and SNA.
• Participate in and validate disaster recovery, backup, and restore procedures; maintain operational runbooks and documentation.
• Implement and track changes through ITIL-aligned change management processes, ensuring controlled and auditable system modifications.
• Support mainframe modernization and re-platforming efforts, providing expertise on system dependencies, data flows, and migration planning.