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Mainframe System Administrator
| 2025-07-18 09:54:55
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Job Specs

The Innovation and Technology Department of San Bernardino County is seeking a motivated contract mainframe system administrator. The candidate will …

·Work business hours and occasional after hours and weekends.

·Provide for coverage of other mainframe system administrators as necessary.

·Provide on-call support after hours and weekends, participate in an on-call rotation.

 

Contract Duration: 1 to 5 years (renewed annually).

 

Responsibilities

  • Install, implement, test, tune and support IBM and 3rd party mainframe software.
  • Provide Support for customers and application developers.
  • Disaster Recovery preparedness by maintaining, tuning, and testing backup and recovery processes.  Perform system recovery if necessary.
  • Perform storage management, capacity planning, system performance tuning and troubleshooting.
  • Support network connectivity to mainframe TCPIP, VIPA etc.
  • Support computer operations and other mainframe staff to ensure smooth operation of mainframe batch and online systems.

Skills and Qualifications

 

  • Experience with zOS administration such as IODF, HCD, SMPE, zOSMF, and performing System upgrades.
  • Experience with performing archive, backup and recovery of datasets, and disaster preparedness.
  • Experience with mainframe batch scheduling such as ESP or Control-M and tuning of system performance with WLM.
  • Experience with REXX and JCL and administering Unix System Services.
  • Experience with mainframe networking such as TCPIP, VIPA, VTAM, and administration of RACF digital certificates for encryption technologies for secure FTP and secure TN3270 using Policy Agent.
  • In-depth experience performing troubleshooting of zOS and 3rd party mainframe software.

Desirable Skills and knowledge, but not required:

  • Sysview, ESP, Endevor, Spool, View/Deliver and/or OPS/MVS from Broadcom
  • IBM File Manager, Debugger, Fault Analyzer
  • Shadow from Rocket software
  • FDR
  • IBM Tivoli Decision Support
  • IBM IDAA loader or Data Virtualization Manager
  • IBM Cloud Tape Connector
  • SAS
  • DB2 and/or IMS database systems

 

Experience and Education:

  • Minimum of 5 years as zOS system administrator (system programmer).
  • Thirty (30) semester (45 quarter) units of completed, post high-school coursework from an accredited university or technical school in Computer Information Systems, Business/Public Administration, or a closely related field.