Mark Donnelly Get in touch

Data Center Engineering & Infrastructure Leader

Mark
Donnelly

I design, build, and run data center infrastructure, from site selection and power to the automation on top, and I lead the engineers who do it with me.

At a glance

My work spans data center architecture, power infrastructure, capacity planning, network connectivity, large-scale migrations, UNIX/Linux systems, automation, and observability.

What I do

  1. Buildouts & site designWholesale and retail, from site selection to live racks

  2. Power & capacityFeeders, busways, PDUs, and the plan behind them

  3. MigrationsServers, storage, and whole sites

  4. ConnectivityStructured Cabling, Dark Fiber, and cross-connects

  5. Automation & observabilityPython, Ansible, Prometheus, DCIM

  6. Standards & teamsConsistency, and engineers who stay

What I know

  • FacilitiesPower, Cooling, Conveyance
  • Physical PlantContainment, Racks, PDUs
  • Compute & StorageHashiCorp, GPUs, Ceph, Proxmox
  • ConnectivityStructured Cabling, Dark Fiber, cross-connects
  • Operating SystemsDebian, Ubuntu, RHEL
  • AutomationPython, Ansible, PXE/iPXE
  • ObservabilityPrometheus, Grafana, Alertmanager, DCIM, BMS
  • HardwareSupermicro, Dell, HP, Servertech, Opengear, ZPE, Starline, Corning, LeGrand

Contact

Hiring, or have an interesting problem? File it here, and I can send a full resume if you need one.