Principal Infrastructure Engineer
About The Position
The Principal Infrastructure Engineer serves as the principal technical lead for IBM Z, IBM Power, enterprise storage, and SAN architecture. The role establishes technical direction, engineering standards, and best practices while leading critical infrastructure initiatives such as platform upgrades, technology refreshes, capacity expansions, migrations, lifecycle planning, and major configuration changes. The position engineers and supports IBM Z and IBM Power environments, including HMC/SE management, LPAR configuration, processor and memory planning, and capacity management. It designs and operates enterprise storage platforms including IBM DS8000, IBM FlashSystem, Dell Data Domain, and IBM TS7700, with a focus on performance, availability, replication, and optimization. The role owns SAN, FICON, and mainframe I/O engineering, including Brocade and Cisco directors, fabric design, zoning, pathing, redundancy, IOGEN/I/O configuration, and complex troubleshooting. It also maintains engineering standards, runbooks, controls, and configuration baselines to ensure changes and documentation are accurate, controlled, and audit-ready. The engineer provides technical leadership and mentorship and uses automation and AI-assisted engineering to improve incident triage, analysis, change-risk management, documentation, and operational efficiency.
Requirements
- 10+ years of hands-on enterprise infrastructure engineering experience, with significant depth in IBM Z / System z, enterprise storage, and SAN environments.
- Deep expertise with IBM Z hardware and IBM DS8000, including configuration, capacity, performance, availability, and platform operations.
- Strong experience with SAN technologies, including Brocade and Cisco directors, fabric architecture, zoning, FICON connectivity, redundancy, and multi-fabric troubleshooting.
- Hands-on experience with IOGEN / mainframe I/O configuration, disciplined change execution, and complex infrastructure dependency management.
- Experience with IBM FlashSystem, IBM Power Systems, and Dell Data Domain, including platform engineering, storage configuration, and operations.
- Strong knowledge of storage replication, networking, capacity management, data segmentation, and infrastructure resiliency, including their impact on performance and operational controls.
- Proven principal-level technical leadership, strong troubleshooting, communication, documentation, automation, and AI-assisted engineering skills, and the ability to lead complex, cross-functional initiatives.
Nice To Haves
- Experience with large-scale multi-site IBM Z / storage environments and complex SAN topologies.
- Vendor certifications or equivalent depth in IBM Z, IBM storage, SAN (Brocade/Cisco), or IBM Power.
- Experience integrating infrastructure telemetry into monitoring/alerting platforms and building actionable operational dashboards.
- Experience modernizing operational practices, including standardized change patterns, configuration baselines, automated validation, and post-change monitoring.
Responsibilities
- Serve as the principal technical lead for IBM Z, IBM Power, enterprise storage, and SAN architecture, establishing technical direction, engineering standards, and best practices.
- Lead infrastructure initiatives including platform upgrades, technology refreshes, capacity expansions, migrations, lifecycle planning, and major configuration changes.
- Engineer and support IBM Z and IBM Power environments, including HMC/SE management, LPAR configuration, processor and memory planning, and capacity management.
- Design and operate IBM DS8000, IBM FlashSystem, Dell Data Domain, and IBM TS7700 storage platforms, focusing on performance, availability, replication, and optimization.
- Own SAN, FICON, and mainframe I/O engineering, including director and fabric design, zoning, pathing, redundancy, IOGEN/I/O configuration, and complex troubleshooting.
- Establish and maintain engineering standards, runbooks, controls, and configuration baselines.
- Ensure infrastructure changes and documentation are accurate, controlled, and audit-ready.
- Provide technical leadership and mentorship.
- Use automation and AI-assisted engineering to improve incident triage, analysis, change-risk management, documentation, and operational efficiency.
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What This Job Offers
Job Type
Full-time
Career Level
Principal
Education Level
No Education Listed
