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Nirjhar Banik

@nirjhar

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Certified Ethical Hacker | Automotive Cybersecurity | TARA | NIST Cybersecurity framework.

India

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What I'm looking for

As a cybersecurity engineer, my primary focus is on everything related to Web, API, Automotive, Industrial, and IOT Cybersecurity.

I'm Nirjhar, a versatile Cybersecurity Engineer, currently playing the role of Cybersecurity architect with a Tier 1 Automotive Company. I specialize in vulnerability assessments, penetration testing, threat modeling, security training, ISO 27001, ISO/SAE 21434, UNECE R 155, TARA and NIST Cybersecurity framework.

Experience

Work history, roles, and key accomplishments

Current

Senior Technical Lead - Product Security

Current

Embitel Technologies - CARIAD India | Volkswagen Group

May 2026 - Present (1 month)

Leading cybersecurity engineering for vehicle HPC platforms, ensuring ISO/SAE 21434 & UNECE R155 compliance. Driving TARA, concepts, and cases across Volkswagen programs to embed security-by-design. Validating controls, Shift-Left practices, and safeguards with full traceability. Supporting validation across diagnostics, comms, updates, and HPC attack surfaces.

Security Security Architecture Security Engineering Security Operations Security Compliance Security Testing Security Best Practices Security Assessments Security Frameworks Security Monitoring Security Systems Security Policies Security Auditing Security And Compliance Frameworks Security Governance

Cybersecurity Lead

Sasken Technologies

Nov 2024 - May 2026 (1 year 6 months)

• Driving TARA Assessments and Threat Modelling for In-Vehicle Infotainment, Instrument Cluster, Radar & Surround View Camera.
• Crafting Cybersecurity Concepts with detailed Case & Relevance Documentation.
• Ensuring Secure Boot, Storage & Communication across system & sub-system levels.
• Leveraging EVSec for End-to-End Security, aligning with ISO/SAE 21434 & UNECE R155.

Security Security Best Practices Security Compliance TARA Methodologies ISO 27001 ISO 27701

Team Lead - Technology

UpGrad

Jul 2022 - Sep 2024 (2 years 2 months)

Reduced Regression Time: 3 Days to 21 Minutes
Boosted Test Suite Efficiency by 65%
Penetration Testing: Web, Mobile, API
Launched RVDP via HackerOne
Managed GDPR, PCI-DSS, ISO Compliance
Developed Threat Models with OWASP
Deployed Cloudflare WAF Policies