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Mainframe Production Support

United IT Solutions

 

Columbus, OH, USA

Posted On: 15+ days ago
Experience: 10+ years
Availability: Hybrid
Openings: 1
Category: Mainframe Support Engineer
Tenure: No Preference/Any
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Description

You will lead the Mainframe SRE team, ensuring the reliability and scalability of enterprise z/OS platforms.

This role is on-site.

Responsibilities

  • Own the reliability, availability, and resilience of mainframe environments and subsystems.
  • Define and implement SRE practices including SLIs, SLOs, error budgets, and reliability metrics.
  • Drive automation using REXX, JCL, or Python to reduce manual operations and improve recovery times.
  • Lead incident management, root cause analysis (RCA), and post-incident reviews.
  • Oversee monitoring and observability using tools like OMEGAMON, CA/BMC, or Control-M.

Required Skills

  • 10+ years of experience in mainframe systems engineering or operations.
  • Strong hands-on expertise with IBM z/OS.
  • Deep knowledge of core components: CICS, IMS, DB2, JES2/JES3, MQ, SMF, and SDSF.
  • Proficiency in scripting and automation (REXX, JCL, CLIST, Python).
  • Experience with mainframe performance tuning and capacity planning.
  • Proven track record leading production support and managing major incidents.
  • Familiarity with monitoring and scheduling tools (OMEGAMON, CA/BMC, Control-M).

Preferred Skills

  • Experience applying SRE principles in hybrid (mainframe + distributed) environments.
  • Exposure to DevOps, CI/CD, and automation frameworks.

Education

Any Graduate

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