Varun Sunil Vaidya
Pune
Summary
Results-oriented Senior Security Operations Center (SOC) Analyst with 10 years of experience protecting enterprise networks in high-demand operational environments. Proven expertise in Tier 1 and Tier 2 incident response, vulnerability management. Adept at leveraging Event Management (SIEM) tools to detect and neutralize threats and malware. Successfully led cross-functional teams and managed incident response processes to ensure business continuity, and minimize risk.
Overview
17
17
years of professional experience
1
1
Certification
Work History
SOC Manager- Service Assurance
Tata Communications Ltd
03.2022 - 09.2025
- Reviewed findings from L2 team to identify patterns and trends.
- Planned threat-hunting exercises based on ongoing investigations.
- Analyzed logs, traffic, and user activity to uncover hidden threats.
- Updated and optimized SIEM rules, EDR policies, and detection mechanisms.
- Shared threat intelligence with L1 and L2 analysts for enhanced security posture.
- Assisted in incident response for complex cases requiring expert analysis.
- Guided L1 and L2 analysts on investigation techniques and best practices.
- Documented findings, refined playbooks, and provided recommendations to improve SOC performance.
SOC Analyst Level 2
Tata Communications Ltd
11.2019 - 03.2022
- Reviewed escalated critical cases from L1 team to verify ongoing investigations.
- Analyzed logs, network traffic, and endpoint activity for root cause determination.
- Isolated compromised systems, disabled accounts, and blocked malicious IPs in response to incidents.
- Collaborated with L3 team for advanced analysis and threat intelligence.
- Followed incident response playbooks for common incidents such as phishing and malware.
- Provided actionable insights for remediation, including patching vulnerabilities and implementing firewall rules.
- Updated incident reports with findings, actions, and recommendations.
- Ensured comprehensive documentation of all incidents and shared key insights with the team.
SOC Analyst Level 1
Symantec Corporation Ltd
06.2017 - 11.2019
- Reviewed handover notes and assessed priority alerts from previous shift.
- Monitored SIEM tool, classifying new alerts by severity: low, medium, high.
- Analyzed logs to validate alerts, distinguishing false positives from real threats.
- Escalated incidents requiring further investigation to L2 team.
- Documented findings and actions in ticketing system.
- Collaborated with L2 analysts and team members for status updates.
Network Security Analyst
Tata Consultancy Services
11.2014 - 06.2017
- Assisted in migration of firewall platforms from legacy Cisco ASA to Sophos Firewall.
- Monitored network traffic and analyzed packet captures to troubleshoot connectivity issues.
- Configured and managed Sophos Email and Web Protection for enhanced security.
- Collaborated on incident response and remediated security events effectively.
- Maintained updated network diagrams and security documentation for reference.
- Led a team of five in L1 operations, ensuring efficient task execution.
- Prepared and managed 24/7 shift roster, achieving 100% availability of team members.
Technical Lead
Cognizant Technologies LTD
06.2013 - 10.2014
- Implementing and Troubleshooting Voice Networks.
- Support the operations of IP network services (LAN and WAN).
- Microsoft Lync (Skype for Business 2015) Administrator Managing and troubleshooting the issues in Microsoft Lync infrastructure and Day-to-day tasks like adding and deleting the users as per project need.
- Providing daily, weekly and monthly reports of Lync servers utilization and high availability.
- I was a part of a team which integrated Microsoft Lync with CUCM servers for audio video experience through Lync clients.
Sr. System Engineer (IT Service Management)
Infosys Ltd
11.2008 - 05.2013
- Routing and Switching Issue troubleshooting.
- Implementing and Designing R & S Networks, Voice Network.
- Installation & implementation various CISCO Devices.
- Carrying Preventive Maintenance Activity for various company clients.
- IOS Upgradation and Basic Troubleshooting.
Education
BSC(IT) -
K.J.Somaiyya
Mumbai04.2008
HSC -
SVVM College
Mumbai03.2005
SSC -
SVVM School
Mumbai03.2003
Skills
- SIEM: Splunk and QRadar
- Network monitoring solutions
- Log analysis
- Incident response
- Security technologies
- Wireshark
Certification
- Cisco CCNA and CCNP R&S, CSCO11761778
- CompTIA Security+
- CompTIA Network+
Languages
- English
- Hindi
- Marathi
Personal Information
- Date of Birth: 01/23/87
- Gender: Male
- Marital Status: Married
Technical Skills
Splunk, QRadar, Wireshark Log Analysis, True, True, True
Timeline
SOC Manager- Service Assurance
Tata Communications Ltd
03.2022 - 09.2025
SOC Analyst Level 2
Tata Communications Ltd
11.2019 - 03.2022
SOC Analyst Level 1
Symantec Corporation Ltd
06.2017 - 11.2019
Network Security Analyst
Tata Consultancy Services
11.2014 - 06.2017
Technical Lead
Cognizant Technologies LTD
06.2013 - 10.2014
Sr. System Engineer (IT Service Management)
Infosys Ltd
11.2008 - 05.2013
BSC(IT) -
K.J.Somaiyya
HSC -
SVVM College
SSC -
SVVM School
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