Analyst III - Information Security

UST Global
Posted on
UST Global logo

Experience
3 - 6 yrs
Salary (CTC)
560,000 - 720,000
Job Location
Thiruvananthapuram, India
Vacancy
1
Designation
Information Security Analyst
Job Type
ONSITE

Job Description

Role:

EDR Specialist (Multi-Platform EDR/XDR)

Experience:

3 6 Years | Full-Time

Role Summary

We are seeking an experienced EDR Specialist with strong hands-on expertise in managing and operating multi-vendor EDR/XDR platforms. The role focuses on platform administration, operational excellence, and enabling SOC teams to effectively detect, investigate, and respond to advanced threats across enterprise environments.

The candidate should have hands-on exposure to tools such as Trellix AV, CrowdStrike, SentinelOne and Microsoft Defender for Endpoint (MDE).

Key Responsibilities

1. EDR/XDR Platform Administration (Primary ~70 80%)

  • Administer and manage EDR platforms Trellix AV, CrowdStrike, SentinelOne and Microsoft Defender for Endpoint (MDE).
  • Manage full endpoint agent lifecycle: deployment, upgrades, troubleshooting, and decommissioning
  • Configure endpoint security policies, exclusions, prevention controls, and response mechanisms
  • Perform proactive threat hunting using advanced detection techniques
  • Build and tune custom detection rules to enhance out-of-the-box capabilities
  • Manage RBAC, user access, device grouping, tagging, and organizational hierarchy
  • Perform continuous agent health monitoring and ensure optimal endpoint coverage
  • Fine-tune s to reduce false positives and minimize fatigue

2. Trellix EDR-Specific Responsibilities

  • Administer and support Trellix AV / EPO server and Agent handlers

3. Operational & Incident Support

  • Execute response actions such as host isolation, process termination, and file quarantine.
  • Handle P1/P2 incident escalations and provide 24x7 operational support where required.
  • Coordinate with IT, endpoint, and infrastructure teams for remediation activities
  • Maintain incident documentation, evidence handling, and audit trails

4. Reporting, Governance & Stakeholder Management

  • Develop executive and operational reports (daily/weekly/monthly).
  • Present insights and recommendations to stakeholders and customers
  • Support audits with configuration evidence and operational documentation.
  • Coordinate with IT, endpoint, and infrastructure teams for remediation activities
  • Maintain incident documentation, evidence handling, and audit trails

Required Skills & Experience

  • 3 6 years of hands-on experience in EDR/XDR platform administration
  • Strong expertise in at least two tools: Trellix AV (mandatory), CrowdStrike, SentinelOne, MDE.
  • Experience in agent deployment, troubleshooting, and platform tuning.
  • Strong knowledge of endpoint OS: Windows, Linux, macOS.
  • Experience with SIEM/SOC workflows and integrations
  • Strong troubleshooting, communication, and stakeholder management skills
Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

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