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I'm Nathan Le

Senior Security Engineer

Based in Houston, TX

About Me
Nathan Le

Senior Security Engineer with extensive multi-cloud security experience across AWS, Azure, and GCP, specializing in identity and access management, cloud security posture management, and threat detection and response. Built scalable solutions to help secure large, multi-cloud enterprise environments spanning hundreds of accounts and subscriptions.

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Experience
Nov 2022 - Present
Senior Security Engineer - Sagent
  • • Own identity and access management (IAM) across >70 Azure subscriptions and GCP projects, including role assignments, access reviews, and enforcement of least-privilege principles
  • • Triage and remediate CSPM findings across multi-cloud environments to reduce misconfiguration risk
  • • Partner with engineering teams to embed cloud security best practices into Azure and GCP deployments
  • • Serve as point of contact for cloud security posture across Azure and GCP environments
  • • Conduct proactive threat hunting and incident investigations across environments
  • • Build and maintain SOAR playbooks to automate detection and response workflows
  • • Manage email security posture, including phishing detection, policy tuning, and threat remediation
Aug 2020 - Nov 2022
Cloud Security Engineer - S&P Global (formerly IHS Markit)
  • • Managed organizational deployment of WAF/DNSFW/Shield to more than 250 accounts in AWS
  • • Ensured security best practices are in place during architectural reviews of a wide variety of application
  • • Engineered different security solutions based on given requirements
  • • Created and maintained automated pipelines to collect IOCs from threat intelligence platforms to be used in coordination with WAF/DNSFW/GuardDuty
  • • Automated data collection pipelines for a centralized graph database and other business intelligence reports that focus on security
  • • Deployed operational excellence monitoring solution to respond efficiently to job failure/outage
  • • Responded to Log4Shell/Spring4Shell vulnerabilities by creating a pipeline to extract IP addresses with suspicious indicators from WAF logs and then feed the IPs to a centrally managed WAF block list
  • • Became a point of contact for security queries and data quality
  • • Ensured the success of one of the largest mergers of 2020 by assisting the integration of two large organizations and the divestiture of several branches
Dec 2019 - Aug 2020
IT Intern - Toshiba International Corporation
Jun 2019 - Oct 2019
Cybersecurity Intern - UiPath
  • • Learned and became the sole Mimecast administrator within 2 weeks for a global company of 3,500 users
  • • Administered Mimecast by tracking/monitoring email traffic, blocking/permitting senders, troubleshooting errors, creating/revising policies, and documenting changes
  • • Collected/presented feedback from UAT through different phases of service implementation
  • • Handled phishing reports by investigating email content, encouraging user behavior, and blocking senders
  • • Analyzed NormShield Cyber Risk Scorecard to deliver vulnerability report regarding multiple risky assets
  • • Provided user support on multiple channels (email/Slack/Jira/F2F) regarding cybersecurity issues
  • • Participated in a series of workshops to create and revise enterprise policies that conform to ISO 27001 standard
Aug 2012 - Feb 2013
IT Intern - EY
Education
Feb 2020 - Nov 2020
SANS - ICMCP: Diversity Cyber Academy

GSEC | GCIH | GCFE

Aug 2017 - May 2020
University of Houston

Bachelor of Science (B.S.), Computer Information Systems, 3.8 | Magna Cum Laude

2013 - 2016
Houston Community College

Associate of Science (A.S.)

Knowledge
  • AWS | Azure | GCP | Infrastructure as Code | Containerization
  • Team Leadership | Agile Methodologies | IT Operations
  • Bash | PowerShell | SQL | Python
  • CI/CD | Scripting | Automation | Git
  • Threat Hunting | Incident Response | SOAR
Honors
  • SANS - ICMCP: Diversity Cyber Academy Scholarship (2020)
  • Chevron Student Scholarship (2019)
  • UH Dean’s List
  • Paul G. Smith, Jr. Scholarship Endowment (2018)
  • National Third Prize – MOSWC 2012
  • National Consolation Prize – MOSWC 2011
  • Outstanding Contribution to Student Activities – HSU 2011
  • Outstanding Contribution to Youth Union – HCMC 2010
Contacts
Email

contact@nathanle.info