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Mainframe Specialist

Calliere Group
Full-time
Remote
Worldwide

Job Category: DevOps / Sysadmin

Our client is seeking a z/OS Mainframe Systems Specialist to join their infrastructure team. This role involves comprehensive management of enterprise mainframe environments, encompassing system administration, software deployment, and operational excellence within a sysplex configuration. The position also requires expertise in Control-D workflow management solutions.

System Operations & Maintenance: Responsibilities (What You’ll Do)

  • Make sure that the z/OS mainframe infrastructure and associated applications perform well and are available.
  • Find and fix medium-level technical problems, doing thorough root cause analysis.
  • Work with technology vendors to troubleshoot and put suggested solutions in place while giving needed diagnostic data.
  • Keep an eye on key system performance indicators to find ways to improve things.

Technical Implementation: Responsibilities (What You’ll Do)

  • Put in place and set up third-party mainframe applications and related updates.
  • Handle and fulfill user access provisioning requests.
  • Follow documented testing protocols and deployment procedures.

Requirements (What We’re Looking For)

  • Comprehensive knowledge of z/OS mainframe architecture within sysplex configurations (mandatory).
  • Minimum 5 years in mainframe operations and support roles.
  • Solid grasp of IT infrastructure system fundamentals.
  • Working knowledge of z-series hardware architecture.
  • Proficiency in at least one programming language (Assembler, COBOL, REXX, or SAS).
  • Competency with JCL, TSO/ISPF, and SDSF utilities.
  • Experience with BMC Control-D workflow management platforms.
  • Understanding of business continuity and disaster recovery principles.

Professional Skills:

  • Excellent verbal and written communication abilities.
  • Strong problem-solving and analytical capabilities.
  • Adherence to established testing and implementation methodologies.
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