Mainframe System Administrator
Colton , California , United States
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2025-07-18 09:54:55
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.