Headline

Cybersecurity & Embedded Systems Professional | IEC 62443-4-2 · EU CRA | Threat Modelling · Cryptography | 17+ Yrs in Telecom, Medical & Industrial IoT | Secure Boot · OpenSSL · TPM

About

I'm a Cybersecurity and Embedded Professional with 17+ years of hands-on experience in Telecommunication systems(4G LTE L2/5G gNB), Medical Devices, and Industrial IoT products. My work sits at the intersection of deep embedded engineering and regulatory compliance — translating complex security frameworks into practical, audit-ready implementations. 🏆 Career Highlights ▸ Contributed to EU CRA compliance mapping (Annex I → IEC 62443-4-2 controls) for Industrial IoT communication modules at HCL and contributed to the Requirements to implementation. ▸ Conducted TARA and risk assessment for a Heart Status Monitor Device (HSMD), scoring vulnerabilities with CVSS and delivering Data Flow Diagrams using Microsoft Threat Modeling Tool. ▸ Contributed to threat modeling (TARA/CVSS/STRIDE), IEC 62443-4-2 compliance evaluations, and EU Cyber Resilience Act (CRA) implementations for Industrial IoT communication modules. ▸ Delivered embedded features for Asensus Robotics LUNA and Senhance Laparoscopic Surgery Devices — QNX-based systems with MISRA C/C++ compliance across multi-IDE environments. ▸ Built 5G gNB user plane (RLC/MAC) and WCDMA HSUPA features at Nokia — received the Nokia Applaud Excellence Award twice. ▸ Developed and 4G LTE eNB user plane (PDCP/RLC/MAC) and MAC Scheduler at Tata Elxsi. ▸ Recognized with Long Service Award (HCL + Asensus), Bravo Awards, and Best Delivered Code Award across three organizations. 🛠 Core Skills Threat Modeling (TARA · CVSS · STRIDE) · IEC 62443-4-2 · EU CRA · Cybersecurity · Secure Boot · TPM · OpenSSL · Embedded C/C++ · Linux · QNX · MISRA C/C++ · VectorCAST · GTEST · Parasoft · Static Analysis · 5G/LTE UP/MAC Scheduler

Location

Greater Madurai Area

Work experience

Technical Manager at HCLTech, Oct 2025 - Present · 10 mos, Madurai

Senior Technical Lead at HCLTech, Jan 2019 - Sep 2025 · 6 yrs 9 mos, Madurai

Research And Development Engineer at Nokia Siemens Networks, Sep 2014 - Jan 2019 · 4 yrs 5 mos, Bangalore

Senior Engineer at Tata Elxsi, Nov 2008 - Aug 2014 · 5 yrs 10 mos, Chennai, Tamil Nadu, India

Education

Bachelor of Technology - BTech, Information Technology, Mepco Schlenk Engineering College