Rajesh S.

About Rajesh S.

Enterprise Security Architect with 17 years of experience in designing layered security…

Experience

1. Principal Consultant - Cybersecurity Cloud Security

   Infosys

   Jun 2018 — Present · Chennai, IN

   Security Architect in cybersecurity and cloud security is responsible for designing, implementing, and overseeing secure systems and infrastructure to protect an organization’s digital assets across on-premises and cloud environments - Spearheaded SOC operations as a Security SME for the National Critical Infrastructure Projects, maintaining a \"zero-breach record\" over 7 years, ensuring no data theft, loss, or corruption- Led SOC transformation initiatives, integrating SOAR and Threat Intelligence platforms with SIEM, significantly reducing false positives and automating incident response, enhancing L1, L2 operations productivity- Pioneered GenAI-based SOC use case implementations using open-source models, earning the BTN Award for innovation in security operations- Conducted deep investigations into dark web and deep web threats, delivering detailed RCAs to CERT-IN, NCIIPC, CAG, and law enforcement agencies- Architected and implemented AWS Cloud Security & Azure Security solutions, leveraging services like WAF, DDoS protection, Security Groups, VPC, CloudWatch, and firewalls for robust public cloud defense- Achieved 100% cloud security posture alignment with NIST, ISO, Threat Modelling(STRIDE, OWASP)and CIS frameworks, driving compliance and resilience- Delivered cutting-edge security implementations including Zero Trust Architecture, API Security, Deception Technologies, SOAR, Security Data Lake (SDL), Application Security (SAST, DAST, API, Mobile), IoT Security, and comprehensive VAPT activities- Expert in Database Activity Monitoring (DAM) using Imperva, Privileged Identity & Access Management (PIAM), EDR, and endpoint protection strategies- Led forensic investigations and RCA for ransomware, malware, and data leakage incidents, including dark web exposure analysis- Championed cybersecurity awareness and training programs, upskilling teams on emerging technologies and best practices in security.

Education

• Madras institute of Technology, chennai

  Master's Degree, Information Technology

  2011 — 2014

• Sree Sastha Engineering College (Affiliated To Anna University)

  Engineer's Degree, Electronic and Communications Engineering

  2005 — 2009

Skills

• Security
• Routing
• Cisco Firewall Security
• Technical Support
• Switches
• Network Security
• Bgp
• Tcp/Ip
• Network Administration
• Firewalls
• Checkpoint Security
• Ospf
• Troubleshooting