> Markdown version of [/jobs/ext/4295374-principal-infrastructure-engineer](https://www.wearedevelopers.com/jobs/ext/4295374-principal-infrastructure-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Infrastructure Engineer - **Company:** JPMorgan Chase & Co. - **Location:** Columbus, OH, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, IBM Storage, IBM System Z, Storage Area Network (SAN), Runbook, Software Troubleshooting, Pathing, Data Management, Ibm Power Systems, Cisco - **Published:** October 31, 2026 - **Apply:** https://jpmc.fa.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1001/requisitions/preview/210801426 ## About the Role * 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, with strong troubleshooting, communication, documentation, automation, and AI-assisted engineering skills and the ability to lead complex, cross-functional initiatives. Preferred Qualifications * 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 (standardized change patterns, configuration baselines, automated validation, post-change monitoring). ## Description * 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 critical 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 enterprise storage platforms, including IBM DS8000, IBM FlashSystem, Dell Data Domain, and IBM TS7700, with a focus on performance, availability, replication, and optimization. * Own SAN, FICON, and mainframe I/O engineering, including Brocade/Cisco directors, fabric design, zoning, pathing, redundancy, IOGEN/I/O configuration, and complex troubleshooting. * Establish and maintain engineering standards, runbooks, controls, and configuration baselines, ensuring infrastructure changes and documentation are accurate, controlled, and audit-ready. * Provide technical leadership and mentorship while leveraging automation and AI-assisted engineering to improve incident triage, analysis, change-risk management, documentation, and operational efficiency.