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<p>Mainframe System Support Engineer</p> <ul> <li>Maintain and manage the z/OS operating system, including installing updates, patches, and new software. </li><li>Optimize system performance, troubleshoot issues, and identify bottlenecks. </li><li>Utilize scripting languages like REXX to automate tasks and manage the mainframe environment. </li><li>Work on troubleshooting and resolving problems, analyzing root causes, and managing change requests. </li><li>Hardware Support: Understand mainframe hardware components, including processors, storage, and network interfaces. </li><li>Network Troubleshooting: Diagnose and resolve network connectivity issues, including TCP/IP and other protocols. </li><li>Implement and manage RACF security controls, including user access, group permissions, and system privileges. </li><li>Conduct security audits, identify vulnerabilities, and recommend remediation measures. </li><li>Respond to security incidents, analyze events, and implement containment and recovery procedures. </li><li>Evaluate security risks and develop mitigation plans. </li><li>Configure and maintain security-related software and hardware, such as firewalls and encryption systems. </li><li>Work with hardware and software vendors to resolve issues and manage projects. </li></ul> <p>Skillset:</p> <ul> <li>IBM/vendor support - familiar with IBM and other vendors web sites: Open problem cases, ask questions, prepare and send dumps. </li><li>SMP/E - in depth knowledge to do install work on CICS and any associated products </li><li>Security - in depth knowledge of ACF2 (must be able to install security on CICS and associated products and create ACF2 security rules as they pertain to CICS) </li><li>SMF - moderate skill set required to gather and manipulate SMF data (specifically the CICS 110 records) </li><li>Problem determination skills - ability to diagnose problem and determine root cause and remediation </li><li>Agile experience is a plus. </li><li>Expertise in Mainframe Db2 v12/ v13 Database System-Administration on z/OS </li><li>DB2 installation, upgrade, patching, configuration and operations </li><li>Proficiency in DB2, VSAM Systems Performance Tuning and Capacity Planning </li><li>Experience in Data Sharing setup in Parallel Sysplex environment </li><li>Knowledge in ACF2/RACF, CICS v5.5, Mainframe MQ v9 </li><li>Experience in SMPE and ISV tools installation and migration </li><li>Create and maintain database entities, including instances, databases, table spaces and tables </li><li>Database DR, Clo ning, Backup/Recovery, HA and Point In Time Recovery (PITR) expertise </li><li>Experience with Database ISV Tools and Products like OmegaMon and AdminTool </li><li>Application related performance tuning; Write, modify, and debug database specific SQL queries </li><li>DBA related utilities like Unload, Load, DSNJU003, DSNJU004, Reorg, Runstats, image copy </li></ul> <p>REXX, CLIST, JCL, JES and Assembler knowledge</p> <p>Salary Range- $85,000-$95,000 a year</p> <p>#LI-SP3</p> <p>#LI-VX1</p>
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