G'day — I'm David.

I build and look after practical, reliable systems: servers, networks, radios and the software that ties them together. I prefer clean automation, clear documentation and a security‑first approach.

Outside work you’ll usually find me tinkering with tech — PC building, performance tuning and electronics — or spending time with my wife and our dog. I enjoy solving real‑world problems and leaving systems tidier than I found them.

Currently open to roles that blend infrastructure engineering with reliability and operational technology.

Highlights

Automated BI

Automated BI data sanitisation & ingestion across multiple customers with access via a secure web panel.

Over‑the‑Air IP Backhaul

Over‑The‑Air Data/IP transmissions using DMR radios for IP‑Backhaul.

Self‑Hosted Platforms

I manage my own hosting platforms for mail & web, with an emphasis on security, reliability and clear operational hygiene.

Personal Projects & Tinkering

Personal projects in PC building and performance tuning (display, drivers, memory stability, low‑latency settings) focused on smoothing frame pacing and 1% lows for friends and family members, spending time with my wife and dog, playing video games and tinkering with electronics.

REAM

Emergency alarm & event management platform integrating radio systems with web notifications and operator workflows.

Platform Security & Management

Security monitoring, endpoint management and patch automation across servers and clients, with centralised alerting and compliance reporting.

Production Operations

Operate production web servers (cPanel) for WordPress and Drupal sites; administer the organisation’s Microsoft 365; manage backups and operational tooling including radio dispatch, recording and fleet‑management applications.

Resume

Skills

A snapshot of the tools and platforms I use day‑to‑day.

Scripting

  • PowerShell
  • Bash/Shell
  • Python
  • PHP
  • Batch
  • HTML

Virtualisation & Containers

  • Proxmox
  • KVM
  • Hyper‑V
  • Docker
  • VMware ESXi/Workstation
  • Xen
  • AWS

Databases

  • SQL Server (2005‑2022)
  • MySQL/MariaDB
  • PostgreSQL
  • AWS RDS

Automation & Provisioning

  • cPanel
  • Plesk
  • VestaCP
  • Cobbler
  • Puppet

Ticketing & ITSM

  • Jira
  • Freshservice
  • Kayako
  • WHMCS
  • osTicket
  • WebRT
  • ProvalTracker

Systems & Apps

  • Windows & Linux
  • Active Directory
  • Group Policy
  • DNS / DHCP
  • IIS
  • Apache
  • Nginx
  • Tomcat
  • Exchange 2003‑2016
  • Microsoft 365
  • Google Workspace
  • Bind
  • Veeam
  • Arcserve UDP
  • Nakivo
  • Altaro Backup

Experience

Systems Administrator — Telechnics Pty Ltd (5y 10m)
  • Support state & federal agency communication systems; servers, networks and radio platforms.
  • Implemented patch management and built a new radio system; supported dispatch/recording suites, delivering savings and new revenue.
  • Security‑first operations with monitoring and preventive maintenance.
IT Manager & Systems Administrator — All Pumps Pty Ltd (3y 8m)
  • Ran day‑to‑day IT operations across on/off‑site environments; led a full network refresh.
  • Built dashboards/alerts, led incident response and post‑mortems; trained staff and handled escalations.
Systems Administrator & Project Coordinator — Parramatta Mission (3y)
  • Delivered core infra upgrades (AD, file/print, switching, routing); automated admin tasks.
  • Managed VOIP/desktops/mobiles and produced ops reports; coordinated cutovers with minimal downtime.
Systems Administrator — Digital Pacific (5m)
  • Administered shared hosting clusters and virtual environments; DNS/DHCP/TFTP and identity services.
  • Investigated escalations for mail/web; hardened apps and planned capacity.
Systems Administrator & Internal IT Projects — StyleTread (1y 1m)
  • Delivered a new network services stack; improved visibility, uptime and utilisation.
  • Supported scanners/mobiles and ERP; standardised build docs and support guides.
Systems Administrator — Netregistry (5y 7m)
  • L2/L3 admin across hosting stacks (web/mail/DNS); hardened multi‑server clusters.
  • Resolved critical incidents; improved monitoring/logging; maintained cPanel/Plesk and mentored juniors.

Certifications

  • PRINCE2® Foundation
  • HLTAID011 Provide First Aid
  • Construction Induction (White Card)
  • First Response Fire Training (FCF)
  • Manual Handling
  • Asbestos & Silica Awareness
  • Drug & Alcohol Awareness

Background checks (e.g., National Police Check) available on request.

References

Available on request.

Contact

Use the form below — I don't list my email publicly.

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