zOS Systems Engineer
Location
Malvern, Pennsylvania
Job Type
Full-time
Category
other-general
Posted
May 15, 2026
zOS Systems Engineer
Malvern, PA - HYBRID
Role Summary
The Sr. z/OS Systems Engineer is responsible for the installation, maintenance, and optimization of the z/OS operating system and its associated subsystems. Unlike traditional storage-focused roles, this position emphasizes Middleware integration, Application Portability, and Modernization. You will be the primary technical lead for migrating legacy mainframe workloads to distributed platforms (Linux/AIX/Windows) and supporting high-availability messaging environments.
Primary Responsibilities
- Operating System Support: Install, maintain, and upgrade z/OS, DB2, CICS environments across multiple LPARs, including performing HCD changes for I/O subsystem migrations.
- Workload Migration: Lead strategic projects to port legacy z/OS applications (C...