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

Requisition 39683: B4 Mainframe Systems Engineer

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Norfolk Southern offers a unique opportunity to be part of our proud legacy that spans nearly 200 years. We are a customer-centric, operations-driven team dedicated to advancing safety, serving communities, and driving innovation for tomorrow's rail. As part of Norfolk Southern, you'll join a collaborative team where there are opportunities for growth across the organization. We are building a culture where everyone can thrive by owning and driving exceptional results, being humble and leading with trust, serving our customers with excellence, and collaborating and coaching to win.

Job Description

Norfolk Southern is seeking a highly motivated, self-starting Mainframe Systems Engineer to oversee and administer the company's enterprise mainframe environment. In this role, you will support a Parallel Sysplex infrastructure and play a critical role in ensuring system reliability, performance, and availability.

Key responsibilities include DASD and tape storage management, system performance monitoring and tuning, and proactive problem resolution. The Mainframe Systems Engineer will also collaborate with internal stakeholders and third-party hardware providers to design and implement solutions that support a highly available, scalable, resilient mainframe environment.

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.

Education

Bachelor's degree in technology, MIS, CIS or other related degrees preferred. Will consider experience in lieu of college degree.

Job Related Experience

• Minimum Level: 4 years
• Preferred Level: 5+ years

Skills Required

• 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.

Skills Desired

• Expertlevel understanding of z/OS internals, UNIX System Services (USS), and Parallel Sysplex architecture, including crosssystem 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.

Work Conditions

• Location: Position eligible for remote work within Norfolk Southern's 22‑state operating network.
• Environment: US Remote
• Shift Work: No
• On-Call: Yes
• Weekend Work: No

Company Overview

Since 1827, Norfolk Southern Corporation (NYSE: NSC) and its predecessor companies have safely moved the goods and materials that drive the U.S. economy. Today, it operates a customer‑centric and operations‑driven freight transportation network. Committed to furthering sustainability, Norfolk Southern helps its customers avoid 15 million tons of yearly carbon emissions by shipping via rail. Its dedicated team members deliver more than 7 million carloads annually, from agriculture to consumer goods, and is the largest rail shipper of auto products and metals in North America. Norfolk Southern also has the most extensive intermodal network in the eastern U.S., serving a majority of the country's population and manufacturing base, with connections to every major container port on the Atlantic coast as well as the Gulf of Mexico and Great Lakes. Learn more by visiting

At Norfolk Southern, we believe in celebrating our individuality. By leveraging the unique backgrounds and viewpoints of our employees, we can create a culture of innovation, respect, and inclusion. We know that employees thrive in a workplace where differing viewpoints, ideas, and experiences are freely shared and valued. As such, we encourage all employees to contribute their distinctive skills and capabilities to our organization.

Equal employment opportunities are available to all applicants regardless of race, color, religion, age, sex, national origin, disability status, genetic information, veteran status, sexual orientation, and gender identity. Together, we power progress.