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Rachel Bullmann

@rachelbullmann

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Offensive Security Engineer at RD Station who conducted 30+ penetration tests and validated 500+ security findings.

Brazil

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What I'm looking for

I'm available for global remote roles and relocation.

At RD Station, I conducted more than 30 web application and infrastructure penetration tests, identifying exploitable attack paths and providing remediation guidance to engineering teams.

I led adversary emulation exercises, including a phishing assessment involving more than 900 employees. The assessment recorded a 20% credential submission rate and informed improvements to security awareness and resilience.

I identified critical weaknesses in AWS and GCP environments and validated more than 500 security findings. I also partnered with engineering, fraud prevention, threat intelligence, and Blue Team colleagues to analyze threats and prioritize exposed assets for remediation.

Before RD Station, I worked in advanced support at HostGator America Latina, where I handled Linux and Windows hosting infrastructure, server hardening, and malware remediation. I developed shell-script automation there and at RD Station, and I hold an Information Security Technologist Degree from UNIP.

Experience

Work history, roles, and key accomplishments

Current

Cyber Security Engineer

Current

RD Station

Mar 2022 - Present (4 years 8 months)

Conducted 30+ web application and infrastructure penetration tests, identifying exploitable attack paths and providing remediation guidance. Led adversary emulation exercises and phishing assessments involving 900+ employees, and validated 500+ security findings.

Penetration Testing Web Application Security Infrastructure Security Adversary Emulation Phishing Tests AWS GCP BASH Security Automation Vulnerability Assessment Remediation Guidance

Advanced Support Analyst – Level III

HostGator America Latina

Dec 2018 - Feb 2022 (3 years 2 months)

Provided advanced technical support for Linux and Windows hosting infrastructures, including DNS, email systems, and server performance optimization. Performed server security hardening, malware analysis, and remediation in compromised environments.

Linux Windows DNS Email Systems Server Performance Security Hardening Malware Analysis CPanel Plesk Shell Scripting Automation

Helpdesk Analyst

Unisys

Feb 2014 - Feb 2017 (3 years)

Provided remote technical support through ticket systems, telephone, and remote access tools. Produced technical documentation and troubleshooting guides, improving the support team's efficiency.

Technical Support Ticketing Systems Remote Support Documentation Troubleshooting Communication Skills