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100% Remote Senior Mainframe CICS System Administrator (MQ)

DMS Vision Inc.United States🇺🇸United StatesPosted 28 Aug 2026

Quick Overview

Seniority
Mid Senior
Work mode
Remote
Location
United States
Posted
Yesterday
ShellPCI DSSSOC 2

Job Description

Job Title 100% Remote Senior Mainframe CICS System Administrator (MQ)

Location: Remote

Duration: 6-12 month contract

 

 

Required Skills:

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.

 

Key Responsibilities

  • 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.

 

Preferred Qualifications

  • 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.

 

Technical Environment

  • 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
  • NetView
  • IBM Health Checker
  • CA7
  • Tivoli Workload Scheduler (TWS)
  • IDCAMS
  • DFSORT
  • IEBGENER
  • IEFBR14

 

Nice-to-Have Skills

  • CICS Web Services
  • CICS Explorer
  • IBM Z Performance Tuning
  • Capacity Planning
  • SSL/TLS Configuration
  • ServiceNow
  • Change Management
  • Automation using REXX and CLIST
  • Production Operations Support
  • Disaster Recovery Testing

 

 

Thanks & Regards,
Gaurav Gaur

Team Lead Recruitment 
Email:  | Phone : 

 

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