What are the responsibilities and job description for the Sr Mainframe Engineer position at Jobs via Dice?
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Primary Responsibilities
Primary Responsibilities
- Operating System Support: Install, maintain, and upgrade z/OS, DB2, CICS environments across multiple LPARs, including performing HCD changes for I/O subsystem migrations.
- Workload Migration: Lead strategic projects to port legacy z/OS applications (CICS/DB2/WebSphere) to modern architectures like Microfocus, Tomcat, or SQL Server.
- Database Collaboration: Assist DB2 DBAs with version upgrades (e.g., v11 to v12) and monitor Distributed Data Facility (DDF) activity.
- Monitoring & Optimization: Replace and manage system monitoring tools (e.g., transitioning from Omegamon to ASG-TMON) to ensure 24/7 environment stability.
- Mainframe Core: Deep proficiency in z/OS, JCL, ISPF, REXX, and SAS Programming.
- Platform Breadth: Hands-on experience with AIX (pSeries), Linux, and Windows Server environments.
- Messaging & Web: Expert-level knowledge of IBM MQ, WebSphere (v5.1 through v8.5), Tomcat, and Apache HTTP Server.
- Hardware Management: Familiarity with HCD/HCM, HMC, and fiber-attached storage/tape devices.
- Legacy Tooling: Experience with Easytrieve, COBOL, and Tivoli Storage Manager (TSM).