Senior Security Specialist

Lennox India Technology Centre; Chennai District; On-site; INR 900,000 - 1,350,000; Full time

Job summary

Lennox India Technology Centre seeks a Senior Security Specialist (IC3) with 6-9 years of experience in Application Security & Penetration Testing to safeguard applications across the SDLC. You will lead DAST, API security testing, and MAST efforts while exploring AI-driven security testing.

You will collaborate with development, DevOps, architecture, and product teams to identify, assess, and remediate vulnerabilities, and you will produce both technical and executive reports to drive

Qualifications

• 6-9 years of experience in Application Security & Penetration Testing (VAPT).
• Expertise in DAST, API Security Testing, and Mobile Application Security Testing (MAST).
• Hands-on exposure to AI-driven security testing and AI security risks.
• Collaborate with development, DevOps, architecture, and product teams to remediate vulnerabilities across the SDLC.

Responsibilities

• Perform end-to-end application security assessments for web, mobile, and API apps.
• 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 developers during vulnerability closure.
• Prepare detailed technical and executive reports; track remediation and closure verification.

Skills

Application security

Penetration testing

DAST

API security testing

MAST

AI security testing

Tools

Burp Suite

Invicti

Checkmarx

Postman

OWASP ZAP

ReadyAPI

MobSF

NowSecure

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.

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 (Dynamic 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:
• OAuth 2.0 / OIDC
• JWT Security
• Input Validation
• 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

VAPT Activities

• Conduct 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 Technologies

• Assess security risks associated with AI/LLM-powered applications.
• Understand and evaluate:
• Insecure Plugin Integrations
• Excessive Agency
• Sensitive Information Disclosure
• Familiarity with:
• OWASP Top 10 for LLM Applications
• GenAI Security Best Practices
• Secure AI Development Lifecycle
• Utilize AI-assisted security testing tools to improve assessment efficiency.

Secure SDLC Integration

• Collaborate with development and DevOps teams.
• Support security gates within CI/CD pipelines.
• Participate in security reviews and release approvals.