Job Description
We 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 solid 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.
nKey Responsibilities
nApplication Security
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- n
- Perform end-to-end application security assessments for web, mobile, and API applications.n
- Conduct threat modeling, secure design reviews, and architecture assessments.n
- Validate security controls and identify vulnerabilities using manual and automated techniques.n
- Review remediation recommendations and support development teams during vulnerability closure.n

nDAST (Dynamic Application Security Testing)
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- n
- Conduct DAST assessments using tools such as:n




- Burp Suite Enterprise/Professionaln
- Invicti (Netsparker)n
- Checkmarxn
- Analyze and validate findings to eliminate false positives.n
- Support tuning and optimization of DAST tools.n
- Develop DAST scanning standards, processes, and reporting mechanisms.n

nAPI Security
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- n
- Perform API security testing against REST, SOAP, GraphQL, and Microservices architectures.n
- Validate API security controls including:n
- Authentication & Authorizationn
- OAuth 2.0 / OIDCn
- JWT Securityn
- Rate Limitingn
- Input Validationn
- API Abuse Scenariosn
- Conduct testing aligned with:n
- OWASP API Security Top 10n
- OWASP ASVSn
- OWASP Testing Guiden
- Utilize tools such as:n
- Postmann
- Burp Suiten
- OWASP ZAPn
- ReadyAPIn

nMobile Application Security Testing (MAST)
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- n
- Perform Android and iOS application security assessments.n
- Conduct dynamic mobile ap

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