Alex Jayakumar

About Alex Jayakumar

Google certified Cloud Security Architect specialize on platform and security with 20+ years of experience in designing, Planning, deploying architectures, security consulting and management of IT infrastructure for large enterprisesDeveloped and implemented security architectures in collaboration with Enterprise/Portfolio Architecture teams and Business Units, ensuring cloud migrations met top security and compliance standards.Led the creation and adoption of cloud security standards, best practices, and technologies, maintaining consistent and robust security across the Enterprise IT infrastructure.Acted as the primary liaison for security-related issues, aligning security initiatives and resolving concerns with internal stakeholders, InfoSec teams, and application development squads.Authored and refined security architecture, policies, and guidelines essential for designing secure cloud-based solutions, ensuring comprehensive documentation and adherence.Provided education and guidance to application, portfolio, and solution architects on secure design principles and industry best practices, fostering a security-first approach.Conducted threat modeling and continuously updated application security architectures to address emerging threats and vulnerabilities.Supported application development squads by integrating security measures throughout the development process and resolving security issues as they arose.Applied NIST frameworks to cloud patterns and capabilities, aligning application migrations with industry-standard security practices.Influenced technical patterns to embed security and cloud policies early in development processes, driving proactive security.Threat modeling for AI systems — identifying model abuse paths, indirect prompt injection vectors, data exfiltration risks, and supply-chain weaknesses.Secure cloud architecture design — zero-trust patterns, workload identity, encryption, secrets management, and secure CI/CD for ML systems.Governance & policy translation — converting abstract AI principles into enforceable security controls and review processes.Cross-functional leadership — aligning engineering, legal, product, and risk teams around responsible AI deployment in fast-moving environments.

Experience

1. Lead Enterprise Architect - Cloud Security

   Lowe's Companies, Inc.

   Aug 2025 — Present

Education

• J G National Hr sec school

  Higher secondary

  1999 — 2000

• University of Chicago

  Machine Learning for Cybersecurity

  2020 — 2021

• University of Madras

  Bachelor of Engineering (B.E.), Electrical and Electronics Engineering

  2000 — 2004

• Tamil Nadu Open University, Chennai

  Master of Business Administration (MBA), Information Technology