Summary
Overview
Work History
Education
Skills
Certification
Interests
Timeline
Generic

Vasantha Kumar Rajee

Specialist, Cyber Threat Response
Bangalore

Summary

  • Dynamic professional with extensive technical and managerial expertise in designing, scaling, and leading enterprise-grade Cyber Security Operations Centers.
  • Proven proficiency in SIEM, including cloud-native deployments, log source integration, and the creation of custom use cases and monitoring dashboards.
  • Skilled in analyzing and mitigating a wide range of cyber threats, from DDoS attacks to insider threats, while effectively managing enterprise-wide InfoSec initiatives that align with compliance and business objectives.
  • Committed to developing robust security policies and delivering comprehensive training programs to enhance organizational security posture and incident response readiness.

Overview

15
15
years of professional experience
6
6
Certifications
1
1
Language

Work History

Specialist, Cyber Threat Response

Standard Chartered GBS Pvt Ltd
01.2022 - Current
  • As a Cyber Threat Incident Responder (Situation Manager), is responsible to lead the high-impact incident response and orchestrate Major Incident Management calls during critical cybersecurity breaches, driving rapid containment, stakeholder alignment, and strategic recovery efforts
  • Applied the Cyber Threat Incident Response Cycle to detect, contain, eradicate, and recover from complex incidents while strengthening organizational resilience.
  • Conducted thorough Root Cause Analysis to identify control failures and mitigate risks across complex cybersecurity incidents.
  • Collaborated with cross-functional stakeholders to implement compensating and missing controls, enhancing overall security posture.
  • Led continuous improvement initiatives based on lessons learned, elevating incident response capabilities and organizational readiness.
  • Conducted root cause analysis and implemented continuous improvements based on lessons learned to elevate incident response and readiness.
  • Engineered SIEM frameworks (Splunk, MDE, SentinelOne), enriched SOAR playbooks, and automated response workflows.
  • Reduced false positives through parser tuning, alert logic refinement, and use-case optimization.
  • Oversaw log source onboarding, playbook enhancements, and case automation across hybrid environments.
  • Participated in Table-Top and Red Team exercises to validate detection and incident response readiness.
  • Participated in deployment of EDR for forensic collection across cloud/on-prem environments and enforced policy-driven app remediation.

Team Leader – Cybersecurity & SIEM Leadership | Global S Operations

Ocwen Financial Corporation
04.2017 - 12.2022
  • Led the Global SOC as the central hub for InfoSec incidents across Ocwen, ensuring SLA compliance and stakeholder satisfaction.
  • Developed a multi-tiered cybersecurity framework aligned with global standards and evolving threats.
  • Unified IT security strategy, aligning operations with emerging technologies, and risk landscapes.
  • Built and managed a cloud-native SIEM from scratch; migrated log sources with zero production impact.
  • Integrated critical assets (DCs, DNS/DHCP, WAFs, IPS/IDS, firewalls), and automated incident ticketing via ServiceNow.
  • Created custom rules, dashboards, and alarms; prevented over 2,000 intrusions in six months with a 0% breach rate.
  • Handled P1/P2 incidents with RCA reporting, and maintained 99.9% uptime.
  • Investigated threats from IPS/IDS, antivirus (McAfee ePO, CrowdStrike), and HR-referred violations.
  • Conducted phishing and spam analysis using reverse engineering; documented SOPs for consistency.
  • Trained Tier 1/2 SOC engineers; authored ISO 27001-aligned SOPs and knowledge base articles.
  • Supported audits, policy updates, and compliance assurance across security operations.
  • Strategic Oversight and Frameworks
  • SIEM Architecture and Automation.
  • Incident Response and Threat Management.
  • Training and Compliance
  • Set performance expectations for the team, monitoring progress towards goals and providing constructive feedback as needed.

Information Security Engineer

[24]7 Inc
06.2012 - 04.2017
  • Helped in designed the Security Incident response plan and Log Management Strategies for the newly built SOC team.
  • Acting as a SPOC and directly interacting with Service Owners (GEO-IT heads) to integrate complete Inventory with the SIEM.
  • Defining and prioritizing Event of Interest (EOI) and SLA for Security Operations Centre.
  • Identifying and documenting key templates, procedures, and processes required to support the SOC function.
  • Creating Daily, Monthly reports of events and incidents for Executive report.
  • Real Time Log monitoring/Packet analysis from different devices such as Firewalls, IPS, Operating Systems like Windows & Linux, Proxy Servers, Windows Servers, System Application, Databases, Web Servers and Networking Devices.
  • Performing Real-Time Monitoring, Investigation, Analysis, Reporting and Escalations of Security Events from Multiple log sources.
  • Creation of Custom Dashboards, Correlation Policies, File Policy, Intrusion policy on the McAfee SIEM Monitoring tool and the Cisco Firesight Management.
  • Notifying internal teams for Security Notifications and Vulnerability from US Cert and reports generated from Vulnerability Scanners (Tenable Nessus)

Education

B.Com. - Associate of Commerce

Karnataka State Open University
Bengaluru, India

Skills

Proficient in McAfee ESM, Rapid7 InsightIDR, and Splunk ES

Certification

CISSP - Certified Information Systems Security Professional

Interests

Passion: Photography, Travelling, Cooking and Painting

Timeline

Specialist, Cyber Threat Response

Standard Chartered GBS Pvt Ltd
01.2022 - Current

Team Leader – Cybersecurity & SIEM Leadership | Global S Operations

Ocwen Financial Corporation
04.2017 - 12.2022

Information Security Engineer

[24]7 Inc
06.2012 - 04.2017

B.Com. - Associate of Commerce

Karnataka State Open University
Vasantha Kumar RajeeSpecialist, Cyber Threat Response