- OS Internals & Advanced Diagnostics: Mastery of IBM i architecture from microcode/SLIC through OS layers; expert command of SST/DST, advanced MSD triage, machine check recovery, LIC traces, and PMR/APAR management.
- Power Hardware & Virtualization Architecture: Expert level mastery of IBM Power9/Power10 enterprise platforms, advanced PowerVM, redundant VIOS design, Live Partition Mobility (LPM), PEP 2.0, and HMC architecture.
- High Availability & Zero Downtime DR: Deep architectural expertise in designing, implementing, and recovering active active and active passive solutions using PowerHA SystemMirror, Precisely MIMIX, Remote Journaling (RJ), and SAN HyperSwap.
- Enterprise Storage & IASP: Comprehensive architecture of Independent Auxiliary Storage Pools (IASP), SAN Volume Controller (SVC), FlashSystem array integration, Safeguarded Copy, and bare metal recovery.
- Backup & Cyber Resiliency:



Advanced architecture of multi node BRMS network groups, enterprise VTL grids, cloud storage tiering, and air gapped cyber recovery vaults.
- Up-to-date Systems Automation: Strong expertise with Ansible for IBM i, QSYS2 Db2 for i Services, advanced CL programming, Python scripting within PASE, and REST API system integration.
- Performance Engineering & Capacity Planning: Mastery of Collection Services, Performance Tools (PT1), Performance Data Investigator (PDI), Job Watcher, Disk Watcher, IBM i Doctor, and long term CPW capacity modeling.
- Security & Regulatory Architecture: Advanced implementation of Security Level 50, FieldProc, Cryptographic Coprocessors, QAUDJRN stream forensics, and compliance frameworks (PCI DSS, SOX, ISO 27001).

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