Graham Williamson
Senior Security Engineer at Tyro Payments
New South Wales, Australia
Summary
👤
Senior🎓
Top SchoolGraham Williamson is a Senior Security Engineer based in New South Wales with 12 years of hands-on experience across secure OS development, network security, and cyber operations. He has a strong track record in building and hardening infrastructure—from secure CI/CD and container environments to on-premise migrations—and has led enterprise deployments of SIEM, EDR and NIDS at scale. Graham’s background spans defence-grade intrusion detection and SOC/IR engineering, informed by roles with the Royal Australian Air Force, Northrop Grumman, and Penten, and he currently applies that expertise at Tyro Payments while contributing to the Honeynet Project. He pairs technical depth (system administration, detection engineering and packet-capture sensor networks) with operational leadership, having run infrastructure teams and CTO-level technology initiatives earlier in his career. Unusually for a security practitioner, he combines telecoms and VoIP platform experience with advanced cyber detection work, enabling a pragmatic view of real-world systems and threat surfaces. He holds a Master’s in Cyber Security and focuses on translating complex requirements into auditable, resilient security controls.
12 years of coding experience
9 years of employment as a software developer
St Thomas More College, Sunnybank HillsMasters, Cyber Security, Masters, Cyber Security at Charles Sturt University
Stackoverflow
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Github Skills (200)
python10
testing10
circleci10
automation10
hosting10
resource-sharing10
ssh10
linux10
libmagic10
pods10
ansible10
quality-assurance10
gtd10
property-based-testing10
docker10
Programming languages (17)
Github contributions (5)
00willo/ansible-role_sublimetext
Mar 2018 - Apr 2019
Contributions:18 commits, 2 PRs, 11 pushes in 1 year 1 month
00willo/validus
Jul 2017 - Apr 2019
A dead simple Python data validation library.
Contributions:6 pushes, 3 branches in 1 year 9 months
python310pythonvalidationvalidation-librarypython38
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