Sr Subject Matter Expert (Support&Ops)
India
Job Description
Sr Subject Matter Expert (Support&Ops)
Chennai, Tamil Nadu

Job Summary

• Perform internal threat hunting using open-source tools to proactively identify hidden threats and anomalies.

• Analyze security telemetry and logs to detect advanced threats using MITRE ATT&CK; framework techniques.

• Conduct vulnerability assessments and manage remediation using tools such as Qualys and Tenable.

• Execute moderate-level penetration testing to validate vulnerabilities and security gaps.

• Correlate threat intelligence with internal findings to improve detection and response capabilities.

• Develop and refine threat hunting hypotheses based on emerging attacker tactics and behaviors.

• Collaborate with SOC, IR, and IT teams to investigate and resolve identified security issues.

• Maintain and enhance detection rules, signatures, and use cases for continuous monitoring.

• Document findings, risk ratings, and remediation actions in alignment with security policies.

• Ensure compliance with internal security standards and vulnerability management processes.

• Track and report vulnerability metrics, trends, and risk posture to stakeholders. 

Key Responsibilities

• Conduct vulnerability assessments and manage remediation using tools such as Qualys and Tenable.

• Execute moderate-level penetration testing to validate vulnerabilities and security gaps. 

Skill Requirements

Threat Hunting, Vulnerability Management

Other Requirements

Penetration testing, KALI

Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 226,300 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending December 2025 totaled $14.5 billion.

23 Benefits At HCLTech, we believe in empowering our employees with comprehensive benefits that support their professional growth and enhance their well-being. When you sign up for a career with us, you gain access to: https://rmkcdn.successfactors.com/147eb21f/a701dca9-f32d-4fc9-9447-6.svg Industry-benchmarked compensation https://rmkcdn.successfactors.com/147eb21f/b0c54381-ddcc-4a33-9b35-9.svg Best-in-class healthcare benefits https://rmkcdn.successfactors.com/147eb21f/b73027be-7aae-4d36-a090-4.svg Personal time off https://rmkcdn.successfactors.com/147eb21f/d5b4fdfd-2e99-4e26-9878-9.svg Maternity and paternity benefits https://rmkcdn.successfactors.com/147eb21f/3d42b0fc-4652-435a-9ece-c.svg Access to skills / higher education programs/resources https://rmkcdn.successfactors.com/147eb21f/aeddeaf2-9e25-4584-ad11-d.svg Discounts on products and services via Benefit Box https://rmkcdn.successfactors.com/147eb21f/a9609a3b-2700-4b3c-9d90-a.svg Participate in CSR programs and live life with a purpose https://rmkcdn.successfactors.com/147eb21f/c6e33851-710f-4634-bd69-f.svg Opportunities to grow and advance your career Note: The benefits listed above vary depending on the nature of your employment and the country where you work. Some benefits may be available in some countries but not in all.