Executive Summary
A highly experienced and trustworthy technology leader with experience
in software, security, databases, and networks.
Increasing team velocity through improved developer experience and
system observability.
Enabling team improvement through mentoring and high quality
documentation.
Reducing operational overheads and improving security through
automation, complexity reduction, and process improvement.
Trusted by the Australian Government with Baseline security clearance.
Looking for a long term commitment (5+ years) where I can leverage my
experience as team leader or CTO.
Technology Profile
I have a deep knowledge of Linux since RedHat 4.2 in 1997, PostgreSQL
since 2.0 in 1999, and Python with Django since 2007.
I've been using Debian/Ubuntu as my primary desktop and development
environment since 2008.
My home network has 2 backup long range wireless links connecting me
to the Melbourne Wireless network using BGP and OSPF routing.
quadrantChart
title Relatively positioned skills self-assessment
x-axis Past experience --> Recent experience
y-axis Lower proficiency --> Higher proficiency
Python: [0.96, 0.98]
PostgreSQL: [0.95, 0.90]
HTML: [0.96, 0.73]
CSS: [0.96, 0.69]
SvelteKit: [0.94, 0.61]
Svelte: [0.94, 0.56]
Bash: [0.87, 0.93]
JavaScript: [0.93, 0.43]
TypeScript: [0.92, 0.38]
NativeScript: [0.91, 0.11]
Anaconda: [0.92, 0.82]
Linux: [0.89, 0.98]
RedHat: [0.85, 0.65]
Pandas: [0.87, 0.29]
Git: [0.85, 0.85]
Cloudflare: [0.84, 0.50]
GitHub Actions: [0.82, 0.20]
Django: [0.78, 0.93]
DRF: [0.78, 0.88]
OpenTelemetry: [0.76, 0.75]
HTTP: [0.74, 0.65]
Diataxis: [0.72, 0.38]
Microsoft: [0.70, 0.11]
Debian: [0.69, 0.90]
Ubuntu: [0.69, 0.85]
MySQL: [0.68, 0.25]
AWS: [0.62, 0.63]
Zig: [0.62, 0.33]
Containers: [0.61, 0.47]
Kubernetes: [0.59, 0.15]
Docker: [0.55, 0.59]
CI/CD: [0.60, 0.91]
BSD: [0.33, 0.31]
React: [0.47, 0.57]
Puppet: [0.46, 0.19]
Webpack: [0.44, 0.10]
BDD: [0.42, 0.65]
SEO: [0.35, 0.71]
Google Cloud: [0.34, 0.23]
NodeJS: [0.32, 0.45]
PCI/DSS: [0.28, 0.78]
PHP: [0.27, 0.58]
Perl: [0.26, 0.38]
Solaris: [0.23, 0.15]
Ansible: [0.20, 0.30]
Jenkins: [0.15, 0.68]
Wi-Fi: [0.12, 0.90]
ITIL: [0.11, 0.20]
C/C++: [0.07, 0.40]
Assembly: [0.06, 0.57]
Java: [0.05, 0.30]
Experience
Founder | adpop.tv | January 2024 - Present
Digital signage solution focused on robust and reliable content
delivery using commodity hardware and repurposed displays.
Scale to zero cloud infrastructure to reduce costs and minimise
environmental impact.
-
Android app using NativeScript and supporting service oriented
architecture (SOA) using SvelteKit, Cloudflare, Neon (PostgreSQL).
-
Aggressive caching strategy to ensure reliable content display.
-
Git based configuration management database (CMDB) ensuring
reliable and repeatable deployments with managed rollback
capabilities.
-
Remote triggered GitHub Actions CI/CD pipelines for content
ingestion and delivery.
-
Cloudflare Pages deployments of management interface for
configuration and content management.
President | Lilydale Lions Roller Hockey Club | February 2024 -
Present
Doubled club membership in 18 months as acting President.
Inspired 6 people to assist as committee members.
Improved cash-flow by implementing sound accounting practices.
Successfully running "Lightning League" social games with hands on
coaching of team captains, referees, scorekeepers, and timekeepers.
Moved accounts to Bendigo Bank for strategic partnership benefits
(community grants).
CTO | Lilydale Lions Roller Hockey Club | August 2023 - Present
Built and published new club website.
Integrated accounting, event management, and newsletter systems for
streamlined operations.
- SEO friendly website using SvelteKit and Cloudflare Pages.
-
Integrated QuickBooks with both Humanitix and Mailchimp to
streamline club operations.
Coach | Lilydale Lions Roller Hockey Club | August 2022 - May 2024
Coached youth team to win 4 successive tournament trophies.
Developed and implemented a structured training program that has
improved skill levels across the club, with one player selected for
the state team.
Implemented referee and coach training, resulting in 6 new referees
and 2 junior coaches.
Committee member | Victoria Day Council | August 2024 - Present
Worked with esteemed members of the community to organise and run
the Victorian of the Year awards.
Trusted to assist with managing the selection meeting for Victorian
of the Year 2023.
Trusted with dignitary, celebrity, and media liaisons on Victoria
Day in 2023 (assistant) and 2024 (lead).
Webmaster | Melbourne Wireless | December 2003 - Present
Built CMS and website using PHP, MapServer, and MySQL.
Maintained and improved website for over 20 years.
Integrated node database with Google Maps for easy node location.
Handled traffic referred from Slashdot, The Age, and The Herald Sun
on multiple occasions.
Eased developer onboarding with development containers and
incremental debugging.
-
Geospatial database of wireless nodes using MapServer and MySQL.
- Container deployments using ArgoCD to Kubernetes cluster.
- Advanced IDE debugging using DevContainers and XDebug.
-
Augmented reality node locations via Layar app (discontinued).
Senior Systems Analyst | Bureau of Meteorology | June 2023 -
December 2023
Lead development and deployment of secure, high performance, high
availability services into complex target environments within 6
months, where no other team had managed to do so.
Managed deployment of policy controlled Linux desktops and servers
for safety critical operations.
-
Developed and successfully delivered security policy compliant
developer process, pipelines and software with storage,
management, and visualisation of large scale safety critical
meteorological data.
-
Managed tightly controlled file system security policies through
verifiable CD pipelines.
-
Developed CI/CD strategy with verified application and library
manifests having precise versions of security approved software.
Senior Developer | BurnsRED | December 2021 - March 2023
Developed cross-referenced documentation build pipelines to
Atlassian Confluence making details searchable from Atlassian and
easily linkable from Jira tickets.
Upgraded multiple Django and DRF based web services to security
compliant versions of Python and Django.
- Integrated OpenTelemetry into services.
DevOps Engineer | Unique Micro Design & CardGate.net | August 2020 -
December 2021
Consolidated metrics, APM tracing and logging from multiple services
into a unified observability platform.
Built a single-pane-of-glass monitoring system for all services.
-
Added annotated OpenTelemetry logging and metrics to multiple
services.
-
Consolidated discrete system and application logs into a unified
stream via Fluentd.
-
Consolidated Nagios system monitoring with hierarchical
availability to provide concise notifications on the source of
issues across all services.
-
Resolved long standing issues with WAN architecture and firewall
configuration permitting efficient operations and monitoring from
all offices.
Freelance Developer | Self-Employed | October 2019 - August 2020
Developed and deployed multiple web applications for local and
international clients.
-
Python/Svelte/D3.js dashboard for major international online
pharmaceutical prescription service.
-
JavaScript/React/Leaflet.js mapping system to improve indigenous
health outcomes in the NT.
Senior Software Engineer | Gizmag | February 2016 - August 2019
Managed migration from custom CMS to Brightspot CMS in order to
increase features and reduce overheads.
Improved performance of custom CMS to reduce page load times and
improve search engine ranking.
-
Rebuilt render stack to make use of Cloudflare edge cache using
standardised caching mechanisms.
-
Implemented zero-downtime deployments, permitting rapid feature
iteration (~3 releases per day is normal).
-
Improved website performance from 400ms average response time to
~100ms for server side rendered pages.
-
Removed superfluous systems to improve performance while reducing
server load and code complexity.
-
Introduced a CI build pipeline to ensure consistent builds and
parity between production and dev systems.
-
Improved ChatOps to ensure error-free deployments by validating
proposed deployment branches.
President | PostgreSQL Down Under Inc | November 2017 - December
2018
MC for PG Day conference in 2017, lead group to make it an annual
event (previously held in 2013).
Rallied support for incorporation and garnered nominations for a
diverse committee.
MC for PG Day in 2018, stepped aside to Vice President to allow a
Sydney resident to lead the next event in Sydney.
Senior Software Engineer | Common Code | July 2014 - February 2016
Authored Django DDP, a real-time Meteor server replacement in
Python/Django bringing the backend Python and frontend JavaScript
teams together.
-
Coached agile, BDD, CI and TDD techniques to both the Common Code
team and to the team at Savvi.io who develop network reporting
software used by NBN Co for the National Broadband Network.
-
Wrote Selenium Page Adapter, an open source Python library
providing abstracted web page automation.
-
Developed company agile practices for test driven development and
continuous delivery using BDD techniques.
-
Project managed and lead development for version 4 of Karaage
supercomputer cluster management software, made job reporting 240x
faster, delivered on time and on budget.
-
Wrote the first open source Python 3 SOAP client library (rinse),
hardened against XML vulnerabilities.
Senior Software Engineer | Unique Micro Design | January 2007 -
March 2014
Won ongoing contract to supply venue access control software to
Australia's largest ticketing company (Ticketek).
Developed agile team practices for continuous delivery, shipping
robust software as often as each day.
Designed, developed and maintained LOGIC RFID personal protective
equipment tracking system (SaaS), trusted by state fire-fighting
authorities to track compliance with stringent safety requirements.
Consistently achieved over 99.995% uptime each month across all
managed services (up to 130 seconds downtime each month). Achieved
99.99% uptime in March 2014 when moving the primary data centre
20km.
-
Implemented CI with Jenkins and Selenium, with test cases covering
>80% of source code.
-
Developed and deployed high-availability features for VAST access
control system with Byzantine fault tolerant high-availability,
including PostgreSQL database replication, automatic fail-over and
automatic recovery.
-
Designed, developed and administered multi-tenant web services
platform with replicated database clustering across multiple
sites, networks and operating systems.
-
Managed deployment and maintenance of web application software and
dependencies, system and security updates and life cycle
management of system software and hardware platforms.
-
Designed and developed credit card payment processing for SkyBus
online ticketing system.
-
Design and specification of distributed transaction and validation
engine used in UMD dQue cashless RFID payment and patron access
system for festivals, field days and corporate & promotional
events.
Systems Administrator | CardGate.net | April 2011 - August 2013
Systems administrator with responsibilities covering PCI-DSS
certified (security for credit card systems) systems and software,
processing over $4.5 billion worth of credit card transactions
annually.
Unprecedented security compliance - all annual PCI-DSS security
audits conducted by external auditors passed without requiring
re-mediation activities.
-
Designed and implemented integrated security monitoring and
alerting for all platforms using OSSEC-HIDS.
President | Melbourne Wireless | August 2001 - July 2013
A founding member, President elect for two terms, treasurer elect
for two terms, chief web master since 2002.
Led the group to build a network of over 100 wireless nodes across
Melbourne and Geelong.
Front page interview for The Age (IT); Two page feature in The
Herald Sun (Connect)
Private briefing to the House of Representatives standing committee
on Communications, Information Technology and the Arts inquiry into
Wireless Broadband.
-
Implemented OSPF and BGP routing protocols for metropolitan area
networking.
IT Specialist | Nationwide Digital Products | April 2006 - January
2007
Improved Google PageRank to become leading Melbourne online presence
for copiers and PABX systems.
-
Implemented Google Analytics to measure success of ongoing SEO
operations.
Business Support Team Member | CSIRO IT | January 2005 - March 2006
Developed standards and delivery of corporate standard operating
environment for fleet of 8000 desktop PCs.
-
Installed and maintained Victorian campus SSH server (Debian),
integrated with Active Directory via Kerberos.
-
Managed procurement, provisioning, dispatch and maintenance of
desktop PCs.
-
Designed and delivered CSIRO Print Services asset tracking
website.
Desktop Support Officer | CSIRO Molecular Science (Clayton) | July
2001 - January 2005
Initiated High Performance Cluster Computing Club (HPCCC) at CSIRO
Clayton campus.
-
Maintenance and user support for over 300 desktop computers and
numerous other special purpose computers (ie: attached to
scientific instruments).
Junior software developer | Heart Consulting Services | August 1999
- June 2001
Rewrote DOS insurance broker management suite (MicroBEAT) into
Windows application (WinBEAT).
-
Compatibility with PostgreSQL 2.0 and Microsoft SQL Server.
+61-408-897-662
tyson@clugg.net
linkedin.com/in/tyson-clugg/