Senior Mainframe CICS System Administrator (MQ)

Title: Remote Senior Mainframe CICS System Administrator (MQ)
Location: REMOTE 
Duration: 12+ Months Contract
 

Job Description

We are seeking a highly experienced Senior Mainframe CICS System Administrator to administer, support, and optimize enterprise IBM z/OS mainframe environments. The ideal candidate will have extensive experience managing CICS Transaction Server, z/OS systems programming, CICSPlex SM, JCL, RACF, VSAM, and production support in mission-critical environments. This role requires strong troubleshooting, performance tuning, system maintenance, and automation experience supporting large-scale banking, insurance, or utility organizations.

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 IEFBR14.
• 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, NetView, and IBM Health Checker.
• Strong troubleshooting skills for CICS regions, JCL failures, storage issues, and system performance.