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Nestor Technologies. Logo
Mainframe Lead

Nestor Technologies.

 

St. Louis, MO, USA

Posted On: 1 day ago
Experience: 8+ years
Availability: Onsite
Openings: 2
Category: Mainframe Lead
Tenure: Full-time Only
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Description

Lead technical support and maintenance for enterprise-grade mainframe applications, ensuring system stability and SLA adherence.

This role is on-site.

Responsibilities

  • Manage application debugging, troubleshooting, and monitoring to resolve complex production issues.
  • Provide technical guidance to the team and ensure strict adherence to SLAs and KPIs.
  • Coordinate with customer teams and Service Delivery Managers to prevent escalations.
  • Analyze historical incidents to develop solutions, SOPs, and knowledge articles.
  • Participate in 24x7 shift rotations to support operational activities.

Required Skills

  • 8+ years of total IT experience.
  • Strong proficiency in COBOL, JCL, DB2, CICS, and VSAM.
  • Experience with CA7 and Abend-Aid.
  • Hands-on experience with ITSM tools such as ServiceNow.
  • Solid understanding of ITIL frameworks.
  • Proven experience in application support and maintenance.
  • Ability to analyze code flow and application functions for debugging.

Preferred Skills

  • Domain knowledge in Capital Markets.

Education

ANY GRADUATE

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