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Senior Mainframe Production Support Lead

United States, McKinney · Job Posted May 04, 2026
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Job Description

The Senior Mainframe Production Support Lead is responsible for ensuring 24x7 stability, availability, and operational excellence of Life Insurance applications, running on a z/VSE mainframe platform. This role provides L2/L3 production support, leads incident triage and resolution, ensures SLA compliance, and supports critical batch and online insurance processes in a highly regulated, SLA‑driven environment.

Job Responsibility

  • Provide L2/L3 production support for AIL mainframe insurance applications
  • Monitor and ensure successful completion of daily, weekly, and monthly batch cycles
  • Support batch cycle execution, including job monitoring, restarts, reruns, and data corrections
  • Perform abend analysis, issue resolution, and production recovery activities
  • Ensure end‑to‑end data flow, coordinating with upstream and downstream systems to confirm timely receipt and processing of production files
  • Perform incident triage, prioritization, and assignment for production issues
  • Conduct in‑depth incident analysis, troubleshooting, and resolution
  • Apply temporary or tactical fixes where required (without code changes) to restore service
  • Identify root causes and propose permanent fixes, coordinating with Application Build teams for code remediation
  • Manage incidents, problems, and changes using ServiceNow and Jira
  • Participate in change, release, and deployment activities, including post‑implementation validation and production readiness checks
  • Analyze and resolve production issues involving: Assembler
  • Easytrieve
  • COBOL
  • CICS
  • JCL
  • VSAM
  • Act as an Application SME, supporting L2.5 and Production Assurance teams with deep application and data knowledge
  • Work closely with Application Build teams, Production Assurance, Infrastructure/System Programmers, vendors, and business stakeholders
  • Maintain and enhance runbooks, SOPs, operational procedures, and knowledge articles
  • Identify opportunities for operational improvements, standardization, and risk reduction
  • Support audit, compliance, and operational reporting requirements
  • Participate in 24x7 on‑call rotation supporting P1/P2 production incidents
  • Provide after‑hours, weekend, and holiday support for critical batch processing and business events
  • Ensure rapid response, effective communication, and timely resolution during business‑critical outages
  • Ensure adherence to SLA targets for incident response and resolution
  • Track and manage incident aging, backlog trends, repeat issues, and RCA action items
  • Apply ITIL best practices across Incident, Problem, Change, and Release Management
  • Support SLA reporting, audits, and compliance activities

Requirements

  • 10+ years of experience providing L2/L3 mainframe production support for mission‑critical applications in a 24x7, SLA‑driven environment
  • Strong hands‑on experience supporting mainframe technologies, including: z/VSE and z/OS
  • Assembler
  • Easytrieve
  • COBOL
  • CICS
  • JCL
  • VSAM
  • Proven expertise in batch operations support, including job monitoring, restarts, reruns, abend resolution, and data corrections
  • Experience using ITSM tools such as ServiceNow and Jira, with strong knowledge of ITIL‑based Incident, Problem, Change, and Release Management processes
  • Life Insurance domain experience strongly preferred, particularly supporting Acquisition and Policy Administration systems
  • Demonstrated ability to perform deep technical troubleshooting, root cause analysis, and production recovery
  • Proven experience working under pressure during P1/P2 incidents, meeting strict SLA response and resolution targets
  • Strong communication and stakeholder coordination skills, including interaction with business users, vendors, infrastructure, and application teams
  • Strong ownership mindset with a focus on system stability, reliability, and business continuity
  • Demonstrated leadership capability to guide cross‑functional teams during high‑severity production incidents

Nice to have

Life Insurance domain experience strongly preferred, particularly supporting Acquisition and Policy Administration systems

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