
Felix Ahmet Tapia-Valentin
@felixahmettapia-vale
I validate AI and enterprise security through offensive testing and evidence.
What I'm looking for
I've delivered penetration testing, vulnerability management, SOC/DFIR, and AI security evaluation for Sempra/WWT, QuidelOrtho, PG&E, ATOS, and other enterprise clients.
I test web, API, cloud, network, embedded, CI/CD, and AI/GenAI environments; validate automated findings against evidence; and turn confirmed risks into remediation roadmaps, runbooks, and executive-ready reporting.
Across 20+ years, I've used MITRE ATT&CK, NIST, OWASP, Splunk, Python, PowerShell, and adversarial AI testing to strengthen detections, controls, and security operations in regulated environments.
Experience
Work history, roles, and key accomplishments
Senior Cybersecurity / Penetration Tester & AI Engineer
Sempra / WWT - FAT & GCR Corp
Jun 2026 - Jul 2026 (1 month)
Executed web application, API, full-stack, AI/GenAI, embedded-system, CI/CD, cloud, network, and telecommunications penetration testing using OWASP, threat modeling, manual exploitation, DAST/SAST validation, and vulnerability-management workflows. Reviewed automated security-testing outputs and manually validated exploitability, authentication/authorization weaknesses, session defects, injection
Senior Cybersecurity / Penetration Tester & AI Engineer
QuidelOrtho
Apr 2025 - May 2026 (1 year 1 month)
Performed threat modeling, offensive security testing, penetration testing, incident response, and vulnerability-management automation across AI/GenAI, web/full-stack applications, embedded systems, CI/CD pipelines, cloud, network, and telecommunications environments. Evaluated AI/GenAI behavior with PyRIT, Promptfoo, Garak, DeepTeam, fuzzing, and custom Python workflows; reviewed model responses
AI Cybersecurity Architect
PG&E
Sep 2024 - Mar 2025 (6 months)
Designed and implemented AI cybersecurity architecture integrating agentic workflows, foundation LLMs, data platforms, governance agents, penetration testing, threat modeling, incident response, and vulnerability-management automation. Performed continuous Breach and Attack Simulation with SafeBreach, AttackIQ, Cymulate, Picus, Burp Suite, PyRIT, fuzzing, and Promptfoo to validate control effectiv
Implemented and operated SOC, threat detection, incident response, forensic security, penetration testing, vulnerability management, threat modeling, asset management, and security-control validation programs across enterprise networks, applications, APIs, mobile, embedded, and multi-cloud environments. Performed SOC/DFIR analysis and security investigations using SIEM/SOAR and endpoint/network ev
Information Security Consultant
Coach / Trailblazer
Mar 2016 - Dec 2016 (9 months)
Led vulnerability and patch-management programs using Tenable, Rapid7, BigFix, SCCM/WSUS, and endpoint controls while performing penetration tests, exploitation assessments, incident response, and security testing. Investigated security events across network, web/full-stack, API, IoT, cloud, and endpoint environments; combined forensic analysis, malware analysis, threat modeling, and vulnerability
IT Risk & Security Engineer - IAM
Goodyear / Robert Half
Feb 2016 - Mar 2016 (1 month)
Served as security architect for a global IAM environment, implementing provisioning, password-reset, access-control, and identity workflows across multiple domains. Conducted incident response and software-based security testing, including unit, automation, performance, and workflow validation, to identify control defects and verify corrective actions.
Sr. Security Analyst
ABB Optical / Synergy
Aug 2015 - Feb 2016 (6 months)
Managed an enterprise security program spanning SIEM (Splunk), IDS/IPS, vulnerability management, endpoint security, PKI, network security, firewall assessment, patching, and OWASP-aligned SDLC security. Performed SIEM/security-event review, incident response, penetration testing, vulnerability scanning, malware analysis, threat modeling, and risk analysis to identify malicious activity and contro
Education
Degrees, certifications, and relevant coursework
Edinboro University of Pennsylvania
Bachelor of Software Engineering, Computer Science
Bachelor of Software Engineering in Computer Science from Edinboro University of Pennsylvania.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Salary expectations
Social media
Job categories
Skills
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