The ability to do deep work and learn.
Open to opportunities
Vincent User
@vincentuser12
Lead Security Engineer at PIERRE COMPUTER COMPANY, INC; implemented an ISMS and detection capabilities.
PortugalWhat I'm looking for
At PIERRE COMPUTER COMPANY, INC, I designed and implemented an ISMS and technical controls. I also implemented detection and response capabilities using Slack Agents, Elastic SIEM, and osquery.
Previously, at SOURCEGRAPH, I developed an AI-driven security operations agent that reduced alert fatigue and deployed cloud security detection and response infrastructure using eBPF runtime security tooling. My work has also included penetration testing, vulnerability research, reverse engineering, and incident response.
Experience
Work history, roles, and key accomplishments
PI
Current
Lead Security Engineer
Pierre Computer Company, Inc
Jun 2026 - Present (4 months)
Designed and implemented an ISMS and technical controls. Implemented detection and response capabilities using Slack Agents, Elastic SIEM, and osquery.
Developed an AI-driven security operations agent to improve detection and response, reducing alert fatigue. Designed and deployed scalable cloud security detection and response infrastructure using eBPF runtime security tooling.
Built and managed Kubernetes-based security tooling and detection systems. Performed red-team style pentesting and source code reviews.
DJ
CNE Operator
Dutch Military Intelligence Agency - JSCU
Sep 2019 - May 2021 (1 year 8 months)
Conducted vulnerability research, reverse engineering, and fuzzing of critical systems. Executed network vulnerability analysis and exploitation.
KT
Ethical Hacker
KPN-CISO Red Team
Sep 2016 - Aug 2019 (2 years 11 months)
Conducted infrastructure, web, and Kubernetes security assessments. Developed red team tooling in C and Python for internal engagements.
VS
Delivered infrastructure and web application security consulting for major FinTech clients. Executed red team operations and adversary simulations against NGOs and FinTech clients.
Conducted infrastructure and web application penetration tests for enterprise clients. Supported vulnerability management programs and presales security assessments.
Education
Degrees, certifications, and relevant coursework
Offensive Security
Offensive Security Certified Professional, Security
Earned the Offensive Security Certified Professional certification.
Offensive Security
Offensive Security Certified Expert, Security
Earned the Offensive Security Certified Expert certification.
SANS Institute of Technology
GIAC Network Forensic Analyst, Network Forensics
Earned the GIAC Network Forensic Analyst certification.
Availability
Open to opportunities
Location
PortugalAuthorized to work in
Salary expectations
90k+ EUR
Job categories
Skills
Application SecurityPenetration TestingCloud SecurityThreat ModelingDetection EngineeringIncident ResponseVulnerability ResearchExploit DevelopmentSecure Code ReviewReverse EngineeringFuzz TestingNetwork ForensicsMemory Forensics (Volatility)Red TeamingSecurity Information And Event Management (SIEM)
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