100% Remote IBM Mainframe Systems Engineer with Strong z/OS Migration

DMS Vision • Frisco, TX

9h • Remote

About The Position

A leading grocery retailer in the Southeast is seeking a highly skilled IBM Mainframe Systems Engineer with strong z/OS migration experience. This high-visibility role is responsible for maintaining, optimizing, and migrating the mainframe environment, with direct impact on project strategy and execution. The position is listed as 100% remote and is offered as a six-month-plus contract-to-hire opportunity.

The engineer will serve as a subject matter expert for IBM mainframe technology, support system availability and performance, and contribute to disaster recovery readiness and exercises. The role also provides troubleshooting, training, and technical support to users and projects, and ensures systems comply with server, network, security, and engineering standards.

Requirements

• Extensive subject matter expertise and team lead experience with IBM z/OS mainframes and related tools and products, including LPAR configuration, MQ Series, DB2, COBOL, JCL, VSAM, CICS, and mainframe ISV software.
• Experience with IBM file structures, including HFS, ZFS, and PDS, as well as TSO and DFSMS.
• Experience with IBM DS89xx disk subsystems, including daily operations, replication, flash copies, and immutable staging using tools such as Copy Service Manager (CSM).
• Experience with networking technologies that support mainframes, such as Ethernet and FICON.
• Experience with z/OS virtualization, including zLinux installation and maintenance.
• Excellent communication and organizational skills, with the ability to stay focused on completing tasks and meeting goals in a fast-paced environment.
• Experience with various backup solutions and strategies.
• Ability to communicate technical subject matter expertise to management and others.
• Bachelor's degree in information technology, computer science, or a related field.
• At least 7 years of relevant experience.
• Strong z/OS migration experience.
• Must be a U.S. citizen or green card holder.

Nice To Haves

• Knowledge of LAN, WAN, firewall, and VPN technologies.

Responsibilities

• Manage and maintain IBM z/OS mainframe systems to ensure high availability and performance.
• Design and implement system upgrades, patches, and enhancements.
• Install, maintain, and upgrade system software and independent software vendor (ISV) software.
• Maintain and support virtual tape backup systems and libraries.
• Provide troubleshooting, training, and technical support for organizational users and projects.
• Resolve issues escalated or transferred from other support tiers.
• Configure and maintain readiness of the disaster recovery mainframe site, including immutable storage systems.
• Participate in and perform tasks during disaster recovery exercises.
• Ensure compliance with server, network, security, and engineering standards and guidelines.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior