Daniel Teycheney
Automation Professional
I enjoy designing and building solutions, automating processes and working on team projects which make a real difference to a customers IT experience.
Put simply, I like to leave all teams, organisations and environments in a better position than when I found them.
Skills
Network Automation
Advanced
- Nornir
- NAPALM
- Scrapli
- Netmiko
- jmespath
- Pandas
- Jinja2
- Ansible
- Data modelling
Observability
Intermediate
- Splunk
- SignalFx
- Fluent Bit
Consulting
Advanced
- Migration Strategies
- Architecture and Roadmaps
- High Level Designs / Detailed Designs
- Network Assessments / Network Remediation
Programming
Intermediate
- Python
- Terraform
- FastAPI
- Pulumi
- JSON
- YAML
GitOps
Intermediate
- Bitbucket
- Bitbucket Pipelines
- TravisCI
- Azure DevOps
- Github
- Github Actions
- Infrastructure as Code
- Bamboo
Amazon Web Services (AWS)
Intermediate
- VPCs
- Transit Gateways
- NAT Gateways
- Subnets
- Route Tables
- Security Groups
- EKS
- ECR
- EC2
- Lambda
- IAM
- CloudFormation
Microsoft Azure
Intermediate
- Load Balancing
- VNETs
- Network Security Groups
Networking
Advanced
- BGP
- OSPF
- EIGRP
- VRF Route Leaking
- vPC
- VXLAN
- FabricPath
- STP
- Load Balancing
- WAN Optimisation
- Wireless
- Next-Generation Firewalls
- Vulnerability Scanning
- Virtual Private Networks
Work Experience (12)
Jul 2024 - Current
Cloud Network Engineer
Atlassian
Working as part of the Edge Services team which are responsible for building and operating a secure, scalable, and reliable public Edge layer that terminates public client connections, applies business-wide compliance and security measures, and load-balance traffic internally
- Built custom health check APIs and automated post-deployment validation using pytest and synthetic monitoring, eliminating manual deployment shepherding for critical services
- Containerised Squid proxy service and decoupled compilation from AMI builds, reducing build times by 5 minutes per build and enabling flexible deployment options across environments
- Designed comprehensive SignalFX monitoring with custom Python collectors and environment-aware filtering for load balancing platform, decreasing detection time and uplift troubleshooting capabilities for future incidents
- Consolidated and modernised 70 repositories, migrating active repositories to cloud platforms and archiving legacy codebases to enable enterprise compliance
- Migrated logging pipeline from Vector to Fluent Bit, reducing tooling complexity and improving observability across multiple services
- Achieved 192GB monthly storage savings by optimising logging volume on security-compliant proxies, reducing operational costs and addressing quota requirements
- Mentoring multiple new team members and contributed to strategic planning, accelerating team onboarding and improving development practices across the team
Jun 2022 - Jul 2024
Senior Automation Engineer
Dragonfly Technologies
Working as part of the development team, supporting an internally developed microservices platform by performing a variety of tasks
- Rebuilt AWS environment using Pulumi and Python via Github Actions
- Migration of approx 35 repositories from Bitbucket to Github
- Created pipelines that automated build of microservice containers into AWS ECR and automate the release notes into Github
- Created pipelines that deployed Kubernetes manifests into AWS EKS using Kustomize
- Remediated and optimised automated Python test pipelines for each release, reducing pipeline runs from 45 minutes down to 3 minutes
- Implemented and automated code quality standards across all Python-based repositories
- Integrated automated Github actions pipeline notifications via Slack
- Developed reusable automation solutions in Python, which are used across various customers
Aug 2020 - Jun 2022
Network Automation Engineer
Transurban
Defining, leading and implementing network automation solutions for the corporate and roadside network teams, using a Python-centric approach.
- Development of network automation roadmap to progress network automation efforts within the organisation
- Lead developer for network automation architectural and design decisions
- Establishment of Source of Truth solution to identify and mass remediate inventory data inside ServiceNow
- Development of daily automated backup solution, including secret masking (approx 1050 devices)
- Development of automated compliance solutions (approx 24,000 checks over 1400 devices)
- Development of standards for code development, installation instructions to ensure code portability and ease of use across various platforms
- Code refactor of all existing code projects to ensure that projects are consistent and follow best practices, such as adherence to style guides and readability
- Mentoring of other staff on improving programming skills, including running internal sessions on topics such as FastAPI, nornir and code quality practices
Dec 2019 - Jun 2020
Cloud Engineer (Contract)
Australian Super
Assisting the cloud team in maturing the cloud offering, with a focus on networking automation within the multi-region cloud environment.
- Development of Ansible playbooks for Checkpoint firewall rule automation
- Mentoring of other staff on improving network automation skills, including running internal sessions on topics such as Ansible
- Deployment of internal Terraform module for Checkpoint high availability (HA) deployments in Azure
- Remediating Azure DevOps pipelines to ensure that builds are consistently deployed across regions
Jul 2019 - Nov 2019
Managing Consultant
Basis Networks
Implemented a network automation strategy for company wide code projects, with Python being the primary programming language
- Consolidation of disparate code locations into a central code repository (Bitbucket)
- Code refactor of all existing code projects to ensure that projects are consistent and follow best practices, such as adherence to style guides and readability
- Development of standards for code development, installation instructions to ensure code portability and ease of use across various platforms
- Mentoring of other staff on improving programming skills, including running internal sessions on topics such as Ansible
Feb 2016 - Jun 2019
Senior Consultant
Basis Networks
Lead a number of large scale network and security projects for large Australian enterprise businesses, using automation
- Designed and implemented a decoupling of management networks from the production network on behalf of Australia’s largest postal service, to mitigate a significant business risk of loss of management access during a critical network outage at either of their data centres.
- Performed a second data centre relocation and consolidation for a subsidiary on behalf of Australia’s largest postal service, in order to retire legacy infrastructure and recoup significant data centre hosting savings for the business.
- Performed a firewall rule remediation for a large inbound information management service company, removing several thousand rules over seven high availability firewall pairs.
- Performed a data centre relocation and consolidation for a subsidiary on behalf of Australia’s largest postal service, in order to retire legacy infrastructure and recoup significant data centre savings for the business.
- Developed a Python application to provide a configuration backup tool for Basis Networks’ managed service offering to diversify the company’s offerings.
Jun 2015 - Jan 2016
Technical Consultant
Telstra Corporation
As part of a team of four consultants, designed and built two new data centre networks for a large gambling company.
- Designing and implementation for one of Australia’s first Cisco ACI implementations
- Designing a multi VRF routing solution for new network
- Develop change plans and cutovers to the new network
Jun 2014 - May 2015
Technical Consultant
O2 Networks
Lead a WAN migration for over eighty sites across Australia for a large health organisation from one WAN service provider to another.
- Liaised with various stakeholders involved in WAN migration activities
- Designed and compiled network changes for implementation at all sites
- Develop test cases and test plans to ensure successful WAN migrations
- Developed standard change procedures and plans for migrations
- Organising network resourcing and schedule for all migrations
Nov 2012 - May 2014
Network Engineer
Treasury Wine Estates
Treasury Wine Estates (TWE) is one of the world’s largest wine companies, with a global winemaking and distribution business operating in multiple countries.
- Worked in a global network services team which is responsible for over ninety sites globally, primary lead for the Australia and Asia Pacific, approximately 60 sites
- Involved in gathering network requirements, interpreting into network designs, implementations (onsite and remote) and support/BAU
- Designing, configuring and implementing site integrations into TWE internal network
- Developing standards for monitoring, routing and switching practices globally
- Installing, configuring and management of Cisco routing, switching, wireless, WAN optimisation and firewalls
- Operational changes and management of Nexus switching, F5 load balancing, McAfee Web Gateways
Jun 2012 - Oct 2012
Traveller
Travelling
Travelling through Europe on a career break.
0Nov 2010 - May 2012
Network Engineer
ISN Solutions Ltd
Part of the network team performing network services for ISN Solutions' managed service customers.
- Installing, configuring and management of Cisco routers, switches, firewalls and wireless access points
- Installing, configuring and management of Cisco Unified Call Manager Express (CME) and Cisco Unified Communications Small Business Systems (UC540 and UC 560 series)
- Installing, configuring and management of Riverbed Steelhead WAN optimisers
- Installing, configuring and management of Websense Web Security software
- Co-ordinated and relocated customers from onsite services to hosting centre migrations
- Configuration and management of Checkpoint UTM and open server firewalls
- Coordinating and liaising with third party vendors such as Internet Service Providers to install, configure and troubleshoot components of customer networks.
- Mentoring and training new network engineers as part of team expansion
- Remote monitoring, reporting and management of networking suite using N-Central monitoring system
- Configuring and implementing complete network solution for deployment on oil rig
May 2008 - Oct 2010
Network Engineer
Deakin University
Principal contact for all onsite Networking faults, service requests and queries at Deakin University, Waurn Ponds campus and ensuring their completion in line with Service Level Agreements
- Installing, configuring and load testing UPS Devices
- Installing, troubleshooting and configuration of Tandberg Video Conferencing systems
- Installing, configuring and replacing Cisco switches, wireless access points and routers for the University network as per customer requirements
- Complete requests for configuration of Cisco IP Phones and IP Voice Points using Cisco Call Manager 4.3 and 7
- Coordinate and organise Change Records and Outage Notifications to alert customers of IT Service disruptions in line with ITIL best-practice.
- Coordinate with Systems Administrators to complete all networking requests for servers in the Universities data centre
- Liaise with Facilities Management for design, fit-out and installation of network services into new and refurbished building projects
- Coordinate contractors to complete data outlet cabling, system tails for switches and server hosts
- Complete cabling requests for fax lines, auto-diallers and EFTPOS lines by cabling from MDF to end-customer locations
Projects (2)
motherstarter
Nov 2020 - Current
A network data transformation tool to accelerate the adoption of network automation by providing a command-line interface to convert input file sources to various network automation output formats.
- Maintainer of the project
Building Network Automation Solutions - Course Assignments
Feb 2019 - May 2019
As part of completing the course, my portfolio of coursework can be found on Github
Education (2)
2004 - 2006
Diploma
Information Technology (Network Engineering)
Computer Power Institute of Technology
2019 - 2019
Online Course
Building Network Automation Solutions
IP Space
Certificates
2021-03-31
Cisco Certified DevNet Associate
Cisco Systems
2019-11-28
AWS Certified Solutions Architect - Associate
Amazon Web Services
2014-05-24
Cisco Certified Network Professional Enterprise (CCNP Enterprise)
Cisco Systems
2015-05-22
Cisco Certified Design Professional (CCDP)
Cisco Systems
Publications
The Art of Network Engineering Podcast in The Art of Network Engineering
Appeared on the podcast and spoke about network automation and my journey to becoming a network automation engineer
Appeared on the podcast and spoke about open source versus commercial software and some of the key considerations
Appeared on the podcast and spoke about open source software as it relates to networking and network automation
E127 - Daniel Teycheney at Dragonfly Technologies in Hamilton Barnes
Appeared on the podcast and about my background, approach and mindset to one's career.
The Hedge 216: Automation Success Stories in The Hedge
Appeared on the podcast to discuss the issues around adopting automation within an organisation.
Languages
English
Native speaker
Interests
Cycling
- Bikepacking
- Outdoor Adventuring