Summary
Overview
Work History
Education
Skills
Certification
Websites
Core Technologies
Timeline
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Revanasiddappa A

Senior Security Analyst
Bengaluru

Summary

Highly skilled Senior Security Analyst with 10+ years of IT experience, including 4+ years specializing in cybersecurity and 6 years in Network Operations Center (NOC) operations. Expertise in Security Operations Center (SOC) environments, Microsoft Sentinel integration, custom detection development, and automation. Proficient in Security Information and Event Management (SIEM) tools (Sentinel, Splunk), Endpoint Detection and Response (EDR) solutions (Microsoft Defender for Endpoint), and cloud security technologies (Microsoft 365, Azure). Demonstrated ability to lead incident response, strengthen security defenses, and mentor SOC teams.

Overview

10
10
years of professional experience
5
5
Certifications

Work History

Senior Security Analyst

Joyson Safety System
Bengaluru
06.2023 - Current
  • Monitor, analyze, and respond to security events and incidents across enterprise networks, endpoints, and cloud environments using SIEM and EDR tools
  • Lead incident response efforts by conducting in-depth investigations, identifying root causes, and coordinating containment and remediation.
  • Develop and optimize detection rules, use cases, and automation playbooks in Microsoft Sentinel.
  • Integrate third-party log sources (e.g., firewall, IPS, Proxy, email gateway) into SIEM platforms to enhance visibility and correlation.
  • Perform proactive threat hunting using behavioral analysis, anomaly detection, and MITRE ATT&CK techniques.
  • Investigate phishing, malware, insider threats, and data exfiltration attempts, providing detailed reports and recommendations.
  • Develop and maintain incident response playbooks, standard operating procedures (SOPs), and automation workflows using Logic Apps or SOAR tools.
  • Conduct root cause analysis and generate incident reports for leadership and audit purposes.
  • Mentor junior analysts and enforce security best practices within the SOC.
  • Contribute to the development of dashboards and metrics to track SOC performance and incident trends.
  • Maintain compliance with security frameworks (NIST, ISO 27001) and contribute to SOC reporting and performance metrics.
  • Provide evidence and support for internal/external audits, compliance checks, or legal investigations.
  • Coordinate with IT and infrastructure teams to ensure timely remediation of vulnerabilities identified through regular scanning and threat intelligence feeds.

SOC Analyst

Huawei Technologies
Bengaluru
01.2021 - 03.2023
  • Monitored security alerts from SIEM tools and responded based on severity and priority.
  • Analyzed and triaged alerts by following structured runbooks and using threat intelligence and investigation tools.
  • Created and managed incident tickets, escalating to appropriate teams or SMEs as required.
  • Assisted in identifying root causes of security incidents and tracked remediation efforts.
  • Performed initial investigation and enrichment of security events using logs, threat intelligence platforms, and IOC lookups.
  • Documented incident findings, ensuring proper handover and knowledge sharing across SOC shifts.
  • Participated in weekly SOC meetings to review escalated incidents, improve response processes, and refine detection use cases.
  • Coordinated with L2/L3 teams for incident handling and feedback on false positives or tuning opportunities.

NOC Engineer

Huawei Technologies
Bengaluru
03.2019 - 01.2021
  • Monitored network alarms and handled L1 network issues, including fault and configuration management using FCAPS.
  • Provided remote troubleshooting and coordinated outage escalations until resolution.

NOC Engineer

AIRTEL India Private Ltd
Bengaluru
06.2018 - 03.2019
  • Performed real-time alarm monitoring and fault localization with IWAN-VLAN configurations.
  • Investigated outages, identified root causes, and ensured timely issue resolution.

Network Configuration and Management Engineer

Nokia Solutions and Network
Bengaluru
09.2017 - 03.2018
  • Managed fault and configuration operations under the FCAPS model using Huawei EMS.
  • Supported network element provisioning and performance tuning.

NMS Engineer

Huawei Technologies
Bengaluru
12.2015 - 08.2016
  • Provided L1 support through proactive monitoring, event handling, and remote troubleshooting.
  • Maintained customer communication to ensure issue closure and SLA adherence.

Education

Bachelor of Engineering - Electronics and Communication

Government Engineering College Chamarajanagar

Skills

SIEM – Microsoft Sentinel, Splunk

Threat Detection & Response

Incident Response & Investigation

Threat Intelligence

Threat Hunting

Vulnerability Management

KQL (Kusto Query Language) for Sentinel

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Certification

SOC Experts Certified

Core Technologies

SIEM: Microsoft Sentinel, Splunk | Endpoint Security: Defender for Endpoint | Email: Defender for O365 | Scripting & Automation: Logic Apps, KQL | Frameworks: NIST, MITRE ATT&CK | DLP& AIP: Microsoft Purview | Vulnerability Management: Tenable Nessus | Cloud Security & Identity: Microsoft 365 Security & Compliance, Microsoft Entra ID (Azure AD), Microsoft Cloud App Security (MCAS), Conditional Access Policies | Network Security Tools (Monitor): Cisco ISE, Tipping Point IPS, Juniper Firewalls and Forcepoint.

Timeline

Senior Security Analyst

Joyson Safety System
06.2023 - Current

SOC Analyst

Huawei Technologies
01.2021 - 03.2023

NOC Engineer

Huawei Technologies
03.2019 - 01.2021

NOC Engineer

AIRTEL India Private Ltd
06.2018 - 03.2019

Network Configuration and Management Engineer

Nokia Solutions and Network
09.2017 - 03.2018

NMS Engineer

Huawei Technologies
12.2015 - 08.2016

Bachelor of Engineering - Electronics and Communication

Government Engineering College Chamarajanagar
Revanasiddappa ASenior Security Analyst