Mainframe Systems Admin

1600 Cantrell Rd, Little Rock, AR 72201

Dillard’s is looking for an ambitious, seasoned Mainframe System Administrator to join our team! The mainframe is the heartbeat of Dillard’s, and we need someone who can make valuable contributions to maintaining and improving it. This is a rare opportunity to expand your expertise and share your knowledge while learning new things in the process.

This position is on our Mainframe System and Storage Administration Team, which is responsible for our corporate mainframe infrastructure. This team supports a dynamic environment with a focus on software installation and maintenance, performance tuning, documentation, and problem determination/resolution.

Members of this team treat one another with respect and are trusted to carry their load, but will also jump in to help one another solve challenging issues and constantly work to help each other succeed. To be successful on this team, you must be self-aware, enjoy problem-solving and knowledge-sharing, and operate with a high level of integrity.


  • Perform z/OS Systems Administration
  • Support z/OS utilities: TSO, ISPF, IDCAMS, IEFBR14, SMPE, HCD, GDPS
  • Work with development on Batch and CICS COBOL questions and problems
  • Troubleshoot JCL, JES2, VSAM, TSO, VTAM, TCP/IP and RACF functions
  • Work with our online system security team
  • Perform system parameters/parmlib maintenance
  • Work with operations to monitor, maintain, and IPL systems to improve consistency and availability
  • Develop and execute disaster recovery plans and exercises
  • Perform security hardening and remediation of all supported infrastructure
  • Participate in an on-call rotation


  • 5+ years mainframe administration experience
  • Solid mainframe environment experience (know your way around TSO, ISPF, JES2)
  • Experience in most of the following: RACF, SMPE, VTAM, REXX, System Exits, StarTool, TPX, JHS,
  • Zeke, ChangeMan, BMC Tools, WLM, Connect Direct, zSecure, Zowe, zOSMF, NetView, DumpMaster, ssh, AT-TLS, co:Z Toolkit, SyncSort MFX, Splunk, IBM Assembler
  • Effective oral and written communicator with a positive attitude
  • Work well under pressure, grasp new ideas quickly, and be able to thrive in a dynamic and diverse environment
  • Ability to maintain a schedule-driven project list while handling interruptions in a timely and effective manner
  • Ability to work onsite at the Corporate Office in Little Rock, AR
  • Authorization to work in the United States without sponsorship now and in the future


  • 5 Years


  • Knowledge of IBM Safeguarded Copy, Cyber Vault, Cobol, Splunk

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