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.Key ResponsibilitiesApplication SecurityPerform 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/ProfessionalInvicti (Netsparker)CheckmarxAnalyze and validate findings to eliminate false positives.Support tuning and optimization of DAST tools.Develop DAST scanning standards, processes, and reporting mechanisms.API SecurityPerform API security testing against REST, SOAP, GraphQL,



and Microservices architectures.Validate API security controls including:Authentication & AuthorizationOAuth 2.0 / OIDCJWT SecurityRate LimitingInput ValidationAPI Abuse ScenariosConduct testing aligned with:OWASP API Security Top 10OWASP ASVSOWASP Testing GuideUtilize tools such as:PostmanBurp SuiteOWASP ZAPReadyAPIMobile 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:MobSFNowSecureBurp SuiteVAPT ActivitiesConduct vulnerability assessments and penetration tests.Validate exploitability and business impact of identified vulnerabilities.Prepare detailed technical and executive reports.Track remediation and support closure verification activities.Collaborate with development teams to reduce recurring vulnerabilities.AI Security & Emerging TechnologiesAssess security risks associated with AI/LLM-powered applications.Understand and evaluate:Prompt InjectionData Leakage RisksModel PoisoningInsecure Plugin IntegrationsExcessive AgencySensitive Information DisclosureFamiliarity with:OWASP Top 10 for LLM ApplicationsGenAI Security Best PracticesSecure AI Development LifecycleUtilize AI-assisted security testing tools to improve assessment efficiency.Secure SDLC IntegrationCollaborate with development and DevOps teams.Support security gates within CI/CD pipelines.Participate in security reviews and release approvals.

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