Senior Mainframe Systems Owner — Z/OS & DR Leader

Prequel Solutions; Pittsburgh (Allegheny County); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Medical insurance

Vision insurance

401(k)

Job summary

A leading technology company based in Pittsburgh is seeking a Mainframe Systems Engineer with over 10 years of experience in IBM Z/Series (Z/OS) systems. This hands-on role involves managing mission-critical systems and driving modernization efforts. Candidates should have deep knowledge of mainframe architecture, ACF2 security, and disaster recovery processes. Benefits include medical and vision insurance and a 401(k) plan.

Qualifications

• 10+ years of experience with IBM Z/Series / Z/OS systems administration.
• Deep understanding of mainframe architecture and subsystems.
• Hands-on experience with ACF2 security and DASD management.

Responsibilities

• Manage and maintain Z/Series operating systems and 160+ subsystems.
• Administer the IBM OnDemand Optical Retrieval system.
• Lead mainframe disaster recovery testing and system restoration.

Skills

IBM Z/Series (Z/OS) systems administration

Mainframe architecture

ACF2 security

DASD management

COBOL compilers

Disaster recovery testing

MQ Series

Job description

A leading technology company based in Pittsburgh is seeking a Mainframe Systems Engineer with over 10 years of experience in IBM Z/Series (Z/OS) systems. This hands-on role involves managing mission-critical systems and driving modernization efforts. Candidates should have deep knowledge of mainframe architecture, ACF2 security, and disaster recovery processes. Benefits include medical and vision insurance and a 401(k) plan.