Job DescriptionWe are seeking a highly skilled Senior Security Specialist (IC3) with 6-9 years of experience in Application Security & Penetration Testing (VAPT), and security testing methodologies. The ideal candidate should possess strong expertise in DAST, API Security Testing, Mobile Application Security Testing (MAST) , and hands-on exposure to AI-driven security testing and AI security risks . This role will work closely with development, DevOps, architecture, and product teams to identify, assess, and remediate security vulnerabilities throughout the SDLC. Key Responsibilities Application Security Perform end-to-end application security assessments for web, mobile, and API applications. Conduct threat modeling, secure design reviews, and architecture assessments. Validate security controls and identify vulnerabilities using manual and automated techniques. Review remediation recommendations and support development teams during vulnerability closure. DAST (Energetic Application Security Testing) Conduct DAST assessments using tools such as:



Burp Suite Enterprise/Professional Invicti (Netsparker) Checkmarx Analyze and validate findings to eliminate false positives. Support tuning and optimization of DAST tools. Develop DAST scanning standards, processes, and reporting mechanisms. API Security Perform API security testing against REST, SOAP, GraphQL, and Microservices architectures. Validate API security controls including: Authentication & Authorization OAuth 2.0 / OIDC JWT Security Rate Limiting Input Validation API Abuse Scenarios Conduct testing aligned with: OWASP API Security Top 10 OWASP ASVS OWASP Testing Guide Utilize tools such as: Postman Burp Suite OWASP ZAP ReadyAPI Mobile Application Security Testing (MAST) Perform Android and iOS application security assessments. Conduct dynamic mobile application testing. Assess data storage, encryption, certificate pinning, and API security implementations. Use security tools such as: MobSF NowSecure Burp Suite VA

📌 Senior Security Specialist (Chennai)
🏢 Lennox India Technology Centre
📍 Chennai