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 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.
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 (Agile 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 appl

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