Felipe Diaz
Cybersecurity Engineer Ii @Mathematica
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WORK HISTORY
Cybersecurity Engineer Ii @Mathematica
Princeton, NJ, US
Developed a Detection as Code Pipeline for quality control and unit testing of detection rules enforcing schema uniformity, decreasing false positives, and standardizing detection reviews.• Designed, tested, and applied security policies using Microsoft Intune and Group Policy to enhance security posture across environments, resulting in improved execution ease and detailed documentation for effective implementation.• Collaborated on the documentation and implementation of Zero Trust Architecture, improving organizational security resilience.• Conducted continuous application security assessments to review in-house applications and ensure compliance with standards, leading to reduced vulnerabilities and a stronger security posture.• Developed and implemented a CI/CD pipeline automating workflows and integrating security scanning tools which reduced deployment and code review time by 80% across 200+ repositories.• Deployed and configured Cisco Secure Access with integrated ZTNA to enable secure, application-specific access for remote and hybrid users as well as granular access control for internal and external applications.• Developed modules and scripts for the Security Team Git Repository that automated and enriched security findings from various tools such as Microsoft Defender and AWS Security Hub, reducing data collection and investigation time by 60%.• Conducted validation campaigns against APT groups involving reporting and exploiting techniques, which led to refined detections and improved logging. Established a cadence for compliance assessments and control implementation using NIST, STIGs, and CIS benchmarks, which improved compliance scores across various environments.
EDUCATION
Rutgers University–New Brunswick
Bachelor of Applied Science - BASc, Information Technology Specializing in Cyber Security
ABOUT FELIPE DIAZ
Team player and result driven individual. Implemented Security Automation across various products for enhanced analytics, logging, and data enrichment. Implemented Automation driven handling and enrichment of security alerts resulting in a decrease in resolution time by 3 hours. Developed CI/CD architecture and security from the ground up decreasing Deployment and Code Review time by 80%. Configured various CI/CD automated workflows with interconnectivity to various security scanning products for vulnerability remediation and auditing across more than 200 team repositories. Contributed more than 100 scripts and various modules automating Security tasks and increasing productivity by 70% allowing for more time the team can focus on high priority deliverables. Handled and resolved more than tickets within our ticketing system decreasing teams SLA time. Developed and documented various Validation tests increasing organization Security Posture through findings and implementations such as Microsoft Defender Secure Score. Created various detections and log sources for Elastic (SIEM) allowing for greater security coverage and the detection of more than incidents/anomalies.
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