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Mainframe Systems Manager

Redef CorpNew York, NY🇺🇸United StatesPosted 28 Aug 2026

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
New York, NY, United States
Posted
Yesterday
Capacity PlanningCompliance

Job Description

  • Job Title: Mainframe Systems Manager
  • Position Type: Full-time
  • Location: New York, NY

Please check the job description below for your reference
Seeking an experienced Mainframe Systems Manager to lead enterprise IBM mainframe operations and infrastructure support. This role is responsible for overseeing daily mainframe system operations, managing technical teams, ensuring system availability, supporting disaster recovery initiatives, and driving infrastructure upgrades and modernization efforts.
Key Responsibilities
  • Manage and lead the Mainframe Systems team
  • Oversee IBM mainframe operations, monitoring, and support
  • Ensure high availability and SLA compliance for production systems
  • Lead z/OS administration, performance tuning, and capacity planning
  • Support disaster recovery planning, testing, and implementation
  • Manage hardware/software upgrades and infrastructure projects
  • Coordinate with vendors and internal technical teams
  • Troubleshoot critical production incidents and provide 24/7 support when required
  • Maintain technical documentation and operational procedures
Required Skills
  • Strong IBM Mainframe and z/OS administration experience
  • Experience with CICS, DB2, IMS, MQ, RACF, JES2/JES3, SMP/E
  • Mainframe performance monitoring and capacity planning
  • Disaster recovery and high-availability experience
  • Production support and troubleshooting expertise
  • Experience managing enterprise infrastructure projects
  • Team leadership and operational management experience
Preferred
  • Parallel Sysplex experience
  • Mainframe modernization exposure
  • Financial services or large enterprise environment experience

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