STEFAN KELLY · NETWORK ENGINEER

Networks, automated.
Projects, documented.

I explore how code can make networks easier to build and operate. This is my collection of hands-on projects in network automation, cloud infrastructure and software.

Explore my projects Meet the engineer

ENGINEERING THROUGH CODE LAB / NOTES

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DEFINECode & configurationPython · Go · Terraform

VERSION · REVIEW · REPEAT

⌘

AUTOMATERepeatable workflowsAnsible · GitLab CI/CD

BUILD · CONFIGURE · EXPLORE

⊞

OPERATENetworks & cloudCisco · Arista · FortiGate · AWS

A lab for ideas. A record of how they work.

EXPLORE THE RANGE

Browse by topic.

From network fabrics to Python and cloud infrastructure. Choose a topic to explore the articles.

All articles

Networking

Code & automation

Cloud & platforms

Security

SELECTED WORK

From configuration to automation.

All projects

Network automation01

Automating a VXLAN fabric

Published 23 Jul 2023

From fabric configuration to automation with the NX-OS API. A documented EVPN VXLAN lab with Ansible and GitLab workflows.

Cisco NexusAnsibleGitLab

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Cloud infrastructure02

Taking a Flask application to AWS

Published 4 Jul 2025

Deploying a finance and savings application to AWS, bringing infrastructure, containers and a GitLab pipeline together.

AWSCloudFormationDocker

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Software & networking03

Firewall rules, through self-service

Published 26 Nov 2023

An evolving Go project exploring a self-service approach to firewall rules, documented through each development milestone.

GoAPIsFirewalls

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THE APPROACH

Build it. Understand it.
Write it down.

These projects connect network engineering with programming and infrastructure as code. Each one captures the configuration, code and practical steps behind the lab.

Explore the project overviews for the bigger picture, or follow the technical articles for the implementation details.

FROM THE LAB