Mainframe Storage Admin

Job Description Position Summary We are seeking a highly experienced Senior Mainframe Storage Administrator to support enterprise Mainframe (System z) storage platforms and initiatives. This role encompasses end-to-end systems engineering activities across storage infrastructure, including design, implementation, optimization, and operational support for mission-critical environments. The ideal candidate will bring deep expertise in mainframe storage (DASD, tape, replication) technologies along with strong problem-solving capabilities, the ability to operate independently, and experience working on complex, high-impact projects. This role also includes mentoring junior team members and collaborating across engineering and operations teams to deliver scalable, resilient solutions. Key Responsibilities

• Design, engineer, and support mainframe storage solutions across System z environments, including infrastructure and software integration.
• Lead or contribute to storage-related projects of varying complexity, including system design, build, deployment, maintenance, and operational support.
• Manage and optimize DASD environments, including replication strategies for high availability and disaster recovery.
• Implement and support synchronous and asynchronous replication solutions using enterprise storage technologies (e.g., Hitachi Vantara).
• Configure and maintain IBM Tape Grid environments to support scalable and resilient data storage strategies.
• Support and manage FICON infrastructure, including Broadcom (Brocade) directors and channel extension technologies.
• Develop and maintain technical documentation, including architecture designs, implementation plans, and operational runbooks.
• Evaluate and implement new mainframe storage technologies, ensuring alignment with enterprise standards and performance requirements.
• Perform advanced troubleshooting and root cause analysis across storage, system, and infrastructure layers.
• Collaborate with project managers and senior engineers to deliver technical solutions aligned with business requirements.
• Provide technical mentorship, peer reviews, and guidance to junior engineers and analysts.

Support change management, incident resolution, and system improvements within a high-availability environment. We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to View email address on click.appcast.io learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: Skills and Requirements Required Qualifications

• 5–10+ years of experience as a Mainframe Storage Administrator / Engineer in enterprise environments.
• Strong expertise in DASD management and replication, including:

• Hitachi Vantara storage solutions
• Synchronous and asynchronous replication technologies

• Experience with IBM Tape Grid configurations and management.
• Hands-on experience with Broadcom (Brocade) FICON directors and channel extension.
• Deep knowledge of mainframe storage and system utilities, including:

○ DFSMS components (ACS routines, SMS, SRS)

○ DFHSM

○ ICKDSF

○ CA1

○ User Catalogs

○ ABARS

○ TDMF

○ DFDSS

• Strong technical documentation and communication skills. • Proficiency in tools such as:

○ SAS

• Visio
• Microsoft Office Suite

• Experience with mainframe scripting and programming, including:

○ REXX

○ CLIST

○ Assembler

• Strong analytical and problem-solving skills with the ability to work independently and make decisions within broad guidelines. Desired Qualifications
• Experience implementing new mainframe storage technologies and participating in modernization initiatives.
• Working knowledge of mainframe operations and batch processing environments.
• Experience with project management or leading technical initiatives.

Familiarity with enterprise standards related to availability, resiliency, and disaster recovery. Insight Global