Who We Are

Lennox (NYSE: LII) Driven by 130 years of legacy, HVAC and refrigeration success, Lennox provides our residential and commercial customers with industry-leading climate-control solutions. At Lennox, we win as a team, aiming for excellence and delivering innovative, sustainable products and services. Our culture guides us and creates a workplace where all employees feel heard and welcomed. Lennox is a global community that values each team member’s contributions and offers a supportive environment for career development. Come, stay, and grow with us.

What Drives Success

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/Qualified
- 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 architec

📌 Senior Security Specialist (Chennai)
🏢 Lennox International
📍 Chennai