Senior Mainframe CICS System Administrator; MQ- Remote
Remote / Online - Candidates ideally in
Los Angeles, Los Angeles County, California, 90079, USA
Listed on 2026-10-04
Los Angeles, Los Angeles County, California, 90079, USA
Listing for:
Alliance IT
Remote/Work from Home
position Listed on 2026-10-04
Job specializations:
-
IT/Tech
Systems Administrator, Disaster Recovery IT, IT Infrastructure, Systems Engineer
Job Description & How to Apply Below
Required Skills
- 15+ years of experience administering IBM Mainframe environments.
- Strong hands-on experience with IBM CICS Transaction Server (TS 5.3/5.5/5.6).
- Extensive knowledge of z/OS ,
MVS ,
JES2 , and UNIX System Services (USS). - Experience creating and maintaining CICS Regions ,
CSD , and resource definitions using CEDA ,
CEMT , and CICS Explorer
. - Hands-on experience with CICSPlex SM administration and workload management.
- Strong knowledge of JCL
, PROC libraries, GDGs, SORT utilities, IDCAMS, IEBGENER, and IEFBR
14. - Experience with TSO/ISPF ,
SDSF ,
IOF ,
File-AID ,
SPUFI , and QMF
. - Strong knowledge of VSAM (KSDS, ESDS, RRDS), SMS, DFSMS, DFHSM, zFS, and storage management.
- Experience administering RACF security, started task IDs, dataset security, and keyring management.
- Experience with SMP/E, including PTF, APAR, RSU installation, and maintenance.
- Experience supporting DB2 ,
IMS , and IBM MQ integrated CICS environments. - Knowledge of CA7/CA Workload Automation or Tivoli Workload Scheduler (TWS).
- Experience using monitoring tools such as OMEGAMON ,
RMF ,
SMF ,
Net View
, and IBM Health Checker. - Strong troubleshooting skills for CICS regions, JCL failures, storage issues, and system performance.
- Administer and support IBM CICS Transaction Server environments across multiple production LPARs.
- Install, configure, maintain, and upgrade CICS regions and related system software.
- Manage CICS resource definitions using CEDA, CEMT, and CSD.
- Configure and maintain CICSPlex SM for workload balancing and region management.
- Perform system maintenance using SMP/E, including PTF, APAR, and RSU implementation.
- Monitor system health, availability, and performance using OMEGAMON, RMF, and SMF.
- Troubleshoot CICS transaction failures, abends, storage issues, and batch processing problems.
- Develop and maintain JCL, automation scripts (REXX/CLIST), and operational procedures.
- Administer RACF security, SSL/TLS configurations, and access controls.
- Manage VSAM datasets, storage allocation, backups, recovery, and disaster recovery procedures.
- Support CA7/TWS scheduling and optimize enterprise batch processing.
- Coordinate production implementations, IPL activities, and planned maintenance windows.
- Work closely with application developers, database administrators, network teams, and infrastructure teams to resolve production issues.
- Participate in 24x7 production support and on-call rotations.
- Prepare technical documentation, operational runbooks, and system standards.
- Experience supporting Banking, Financial Services, Insurance, or Utilities environments.
- IBM z/OS Systems Administration certification.
- IBM CICS System Administration certification.
- Experience with PCI DSS, SOC 2, NERC CIP, or other regulated environments.
- Knowledge of Disaster Recovery, High Availability, and Capacity Planning.
- Experience with CICS Web Services, TLS/SSL, and API integrations.
- Familiarity with automation using REXX, CLIST, or shell scripting.
- IBM z/OS
- IBM CICS Transaction Server (TS 5.3, 5.5, 5.6)
- CICSPlex SM
- JES2
- MVS
- UNIX System Services (USS)
- JCL
- TSO/ISPF
- SDSF
- IOF
- File-AID
- SPUFI
- QMF
- REXX
- CLIST
- VSAM
- DFSMS
- DFHSM
- SMS
- RACF
- SMP/E
- IBM MQ
- DB2
- IMS
- OMEGAMON
- RMF
- SMF
- Net View
- IBM Health Checker
- CA7
- Tivoli Workload Scheduler (TWS)
- IDCAMS
- DFSORT
- IEBGENER
- IEFBR
14
- CICS Web Services
- CICS Explorer
- IBM Z Performance Tuning
- Capacity Planning
- SSL/TLS Configuration
- Service Now
- Change Management
- Automation using REXX and CLIST
- Production Operations Support
- Disaster Recovery Testing
Position Requirements
10+ Years
work experience
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