Mainframe Systems Engineer (zOS Mainframe Internals, Parallel Sysplex, Hardware & Storage) Remote

Norfolk Southern is a customer-centric, operations-driven team dedicated to advancing safety and driving innovation in rail transport. They are seeking a highly motivated Mainframe Systems Engineer to oversee and administer the company’s enterprise mainframe environment, ensuring system reliability, performance, and availability.

Responsibilities:

• Drive z/OS technology development initiatives, including evaluation, deployment, and integration of new product enhancements and hardware solutions
• Own the installation, maintenance, and operational support of mainframe infrastructure and system software across a Parallel Sysplex environment
• Monitor and manage mainframe performance
• Use, configure and provide support of storage subsystems and infrastructure
• Coordinate with hardware and software vendors for support and future project work
• Create comprehensive documentation, conduct thorough testing, and follow defined change control processes
• Provide support for mission critical application infrastructure and products
• Communicate with end-users, application programmers, co-workers, managers, and other stakeholders
• Writing test scripts and performing testing verification of product deliverables
• Serve as part of a rotational Level 2 on-call support team, responding to and resolving complex system issues

Requirements:

• Bachelor's degree in technology, MIS, CIS or other related degrees preferred. Will consider experience in lieu of college degree
• Minimum Level: 4 years Preferred Level: 5+ years
• 4+ years of experience with mainframe z/OS internals, z/OS Parallel Sysplex, Unix Systems Services (USS)
• 4+ years of experience with mainframe hardware, software and third-party installation support
• 4+ years of experience designing, administering, and supporting mainframe disk (DASD) and tape storage infrastructure
• Experience mainframe capacity planning and performance tuning
• Experience writing test scripts and performing testing verifications
• Experience with mainframe application development IDE build and run tools
• Expert‑level understanding of z/OS internals, UNIX System Services (USS), and Parallel Sysplex architecture, including cross‑system communication and workload management
• Experience with Assembler, TCPIP/VTAM, TSO/ISPF, REXX, SMP/E
• Maintain and operate within a Parallel Sysplex environment including virtual tape and sharing of DASD
• Knowledge of Infrastructure software solutions, (ex. Zeke, Zebb, ISPW, TMON, JCLPrep, QuickRef, SAS, CICS, IBM utilities)
• Maintain a Coupling Facility environment