Under construction
Learning labCompleted · Lab
Infrastructure
Enterprise Infrastructure Lab
A multi-site Cisco, Windows Server and Linux environment for routing, VLAN and service-path testing.
View case studyIT Technician · Automation · Endpoint Management · Infrastructure
DavidDuffy
I work systematically: understanding how the whole environment fits together, reducing uncertainty and turning repeatable problems into dependable processes.
Selected work
Different work. One standard.
Professional systems, personal products, tools and labs—clearly labelled and documented without dressing one up as another.
Under construction
ProfessionalProduction · Iterating
Automation
Intune Device Audit
A repeatable device-audit workflow that classifies inactivity, retains previous responses and creates structured site-level outputs.
View case studyUnder construction
ToolIterating
Automation
PowerShell System Diagnostics
An interactive computer health check that reviews a technician-selected time window, interprets observations and suggests practical next steps.
View case studyUnder construction
ProfessionalIterating
Automation
User Onboarding Automation
A data-driven Active Directory workflow for validation, username generation, OU placement and group assignment.
View case studyUnder construction
Personal productLive · Iterating
Development
lateralOS
A structured neurodiversity knowledge platform designed around discovery, accessibility and sustainable content architecture.
View case studyCapabilities
What I do.
Practical experience across the systems that keep modern IT environments dependable.
Automation
PowerShell system diagnostics, device-audit workflows, Active Directory onboarding, Microsoft Graph inventory and reusable administration tooling.
Endpoint management
Intune configuration architecture, assignment groups and filters, compliance auditing, dedicated Android deployments, Managed Home Screen and Samsung Knox configuration.
Infrastructure
Windows Server and Active Directory labs, DNS and DHCP services, Linux administration, Proxmox virtualisation and multi-service troubleshooting.
Networking
Cisco switching and routing, VLAN design, VLSM addressing, NAT/PAT, WireGuard VPNs and structured packet-path testing.
Identity & operations
Entra ID and Active Directory provisioning, group assignment, device naming standards, asset lifecycle thinking and Microsoft 365 administration.
Development
Next.js and TypeScript products, structured Sanity content, REST and Graph APIs, Git-based delivery, Netlify deployment, Power Apps and C# development.
Current status
Under construction