infrastructure & security engineer

hi, i'm luke rawnsley

Infrastructure & Security Engineer running a 1,500-endpoint, 78-site Azure/hybrid estate. Day job: Intune, Defender, Purview and SIEM. Nights & weekends: building cloud platforms, AI tooling and certification prep at Certeli, CV Human, and CrossFit Trainer.

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1,500+
endpoints managed
78
sites
6+
projects
7 earned
certifications

featured work

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Certeli

live

Certification exam simulator with 30K+ questions across 49 exams. Built with Next.js, PostgreSQL, and Stripe.

CV Human

live

AI-powered CV builder with ATS optimisation, FastAPI backend, and Stripe billing.

CrossFit Trainer

live

RX-level CrossFit training platform with programme cycles, load calculators, and subscription tiers.

Retirement Planner

in development

UK financial retirement planner with Monte Carlo simulation, Monte Carlo projection, and waterfall charts (Angular).