Sunil Kumar

About Sunil Kumar

I lead 24x7 Security Operations with a hybrid focus on SOC and Network Security.With over 6 years of experience across enterprise and MSSP environments, I specialize in SIEM engineering, firewall governance, and high-priority incident response. I currently manage a 20-member SOC team, drive SLA-compliant service delivery, and lead P1/P2 incident bridges while performing advanced threat hunting across Microsoft Sentinel and EDR platforms.My core strengths include:• SIEM detection tuning and dashboard engineering• Firewall rule implementation and change governance (Check Point)• Malware analysis and sandbox validation• Threat hunting using multi-source telemetry correlation• Client governance reporting (WSR/MSR)• Shift planning and operational optimizationI focus on reducing MTTR, strengthening detection coverage, and aligning security operations with business impact.Open to opportunities in SOC Operations Leadership, Hybrid SOC + Network Security Lead roles, and enterprise security operations environments.

Experience

1. Project Team Lead

   Tata Consultancy Services

   Nov 2025 — Present · Hyderabad, IN

   Lead day-to-day security operations for cloud and network environments, coordinating L2/L3 SOC activities, incident response workflows, and analyst task allocation.Own incident escalation, root cause analysis (RCA), and post-incident reporting for high-severity alerts.Oversee SIEM operations using Azure Sentinel and Sumo Logic, improving alert fidelity and reducing false positives through tuning and rule optimization.Act as technical point of contact between SOC analysts, project stakeholders, and client security teams, ensuring SLA adherence.Mentor junior analysts on alert triage, threat analysis, and investigation methodologies.

Education

• Annamalai University

  Bachelor of Business Administration - BBA, Business Administration and Management, General

• Tjs polytechnic college

  Diploma of Education, Mechanical Engineering

  2016 — 2019

• Hindustan University

  Professtional Diploma in Cyber Investigation and law, Cyber security

  2019 — 2020