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Raymond Mayer

Security Engineer · Systems Architect · Incident Responder

01   about

Who I Am

I'm a Senior Security & Systems Engineer with over 15 years of experience across Windows, Linux, and macOS environments. I specialize in incident response, ransomware recovery, Active Directory security, and resilient infrastructure design.

My background spans the full range of the security lifecycle - from hardening environments before something goes wrong, to leading client recovery engagements when environments are already compromised. I've worked with teams ranging from small businesses to Fortune 500 companies.

I build tools, automate security workflows, and document everything - because good security is reproducible security.

cat profile.json
years_experience15+
specializationIR / AD / Hardening
certificationsAzure AI Fundamentals
scriptingPowerShell · Python · Bash
cloudAzure · AWS · GCP
current_roleLead Systems Eng. @ Centene
emailray@drraypc.com
02   skills

Technical Expertise

Cybersecurity
Incident ResponseRansomware Recovery Threat DetectionAD Hardening CrowdStrikeSentinelOne SIEMForensics
Systems Engineering
Windows ServerRHEL / Linux Active DirectoryAzure AD ExchangeDNS Group PolicyPKI
Automation & Scripting
PowerShellPython BashAnsible TerraformGitHub Actions Azure DevOps
Cloud & Infrastructure
Microsoft AzureAWS Google CloudVMware Hyper-VDocker Office 365
Network Security
FirewallsVLANs IPSec / VPNIDS / IPS TLS HardeningNetwork Segmentation
DevOps & SDLC
JenkinsCI/CD Pipelines Code ReviewsGit DockerPatch Management

GitHub Repositories

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04   contact

Get In Touch

Whether you have a security incident that needs hands-on attention, want to discuss a project, or just want to connect - my inbox is open.

send_message.sh

if my work has been useful to you

🍕 Buy me a pizza