Senior Mainframe Storage Engineer

Location: Chandler, AZ (Hybrid – minimum three days per week onsite)

About the role

This position supports mission-critical IBM Z storage platforms, with a focus on ensuring high availability, resiliency, data protection, and regulatory compliance. The role involves business as usual (BAU) operations, automation, cyber-resilience, and the delivery of storage services that enable parallel development, testing, and production workloads.

Responsibilities

• Operate and support IBM DS8000 (Gen9/Gen10) and associated mainframe storage environments.
• Design, implement, and support Metro Mirror, Global Mirror, Global Copy, and HyperSwap.
• Support continuous availability, GDPS-managed replication, and multi-site resiliency architectures.
• Implement and maintain Safeguarded Copy / immutable backups and cyber-resilient recovery designs.
• Execute and validate disaster recovery tests, recovery automation, and control evidence.
• Support parallel development, testing, and production environments while maintaining controls.
• Perform BAU risk routines, capacity management, and storage provisioning.
• Address audit, regulatory, and security baseline requirements.
• Support automation, tooling, and modernization initiatives.
• Partner with application, platform, and infrastructure teams to reduce lead times.

Requirements

• 7–12+ years of hands-on experience supporting enterprise mainframe storage environments.
• Proven experience in 24x7, mission-critical, highly regulated production environments, preferably within financial services.
• Experience operating at scale across multiple data centers and regions.

Skills

• Strong experience with IBM Z / zOS mainframe storage.
• Hands-on expertise with DS8000 Copy Services and GDPS.
• Experience with FICON, SAN concepts, and enterprise storage controls.
• Knowledge of disaster recovery, resiliency, cyber-recovery, and immutable backup patterns.
• Strong understanding of z/OS I/O architecture (CHPIDs, control units, paths), FICON protocols, and multi-pathing concepts.
• Proficiency with I/O performance diagnostics (RMF, SMF, DCOLLECT).
• Experience working with z/OS systems programmers.
• Familiarity with Python.

Preferred Qualifications

• Bachelor’s degree in Computer Science, Information Systems, Engineering, or equivalent practical experience.
• Advanced technical certifications and vendor training.
• Experience with automation scripting (REXX, Python, Ansible, or vendor tooling).
• Experience with storage modernization or large-scale migrations.
• Exposure to audit, regulatory exams, and control evidence management.
• Knowledge of Assembler, ACC/SRS, CA1, DFHSM, DFSMS, IBM Utilities/Exits, and ICF Catalogs.
• A storage administration perspective on DB2 and IMS.

Benefits

• Medical, dental, vision, life, and disability insurance plans.
• Employee Stock Purchase Program (ESPP).
• 401K program with company match after 12 months of tenure.
• Health Savings Account (HSA) on the HDHP plan.
• SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions.
• Corporate discount savings program and other discounts.
• On-demand training program and access to certification prep, technical and leadership courses/books/seminars after 6+ months of tenure.
• Certification discounts and perks to associations including CompTIA and IIBA.
• Dedicated customer service team for benefits and resources.
• Access to a certified Career Coach.