Endpoint Security Operations Engineer (L2) – Microsoft Defender

Accountabilities

• Provide L2 operational support for Microsoft Defender alerts, incidents, and service requests.
• Investigate endpoint detection alerts, malware detections, suspicious activity, and security incidents using Microsoft Defender for Endpoint.
• Analyze device timelines, alert evidence, process activity, and investigation data to assess the scope and potential impact of threats.
• Troubleshoot Defender sensor health, endpoint onboarding, connectivity, policy application, reporting, antivirus scans, and signature updates.
• Support approved threat containment and remediation actions, including device isolation and validation of endpoint security restoration.
• Assist with threat hunting, evidence collection, vulnerability remediation, and escalated security investigations in coordination with SOC and L3 teams.
• Monitor endpoint protection coverage, device risk status, security dashboards, and compliance gaps; coordinate corrective actions with relevant teams.
• Support endpoint onboarding and offboarding in Defender, security policy administration, audit evidence collection, and compliance reporting.
• Manage incidents within defined SLAs and follow established incident, problem, change, and security incident management procedures.
• Participate in major incident response, service restoration, and post-incident reviews.
• Maintain investigation records, incident timelines, runbooks, operational documentation, and shift handover notes.
• Coordinate with L1/L3 operations, SOC, Endpoint, Identity, Network, and Infrastructure teams, escalating complex threats and platform issues appropriately.
• Ensure effective follow-the-sun operational handovers across APAC, EMEA, and North America.

Requirements:

• 3–6 years of experience in enterprise security operations, Microsoft Defender administration, endpoint protection, or security incident support.
• Hands-on experience with Microsoft Defender for Endpoint and its alert investigation and security response capabilities.
• Strong understanding of endpoint protection, malware detection, threat analysis, and security incident handling.
• Experience investigating security alerts, device timelines, suspicious processes, and endpoint activity.
• Knowledge of Defender onboarding, sensor health, security policies, endpoint protection configurations, and device compliance.
• Good understanding of Windows operating systems, endpoint administration, and basic PowerShell.
• Familiarity with incident severity assessment, containment, remediation, and escalation procedures.
• Experience using the Microsoft Defender portal and security monitoring dashboards.
• Familiarity with ServiceNow or equivalent IT service management tools and incident management workflows.
• Experience working in enterprise production environments or 24/7 security operations.
• Strong analytical, troubleshooting, documentation, communication, and cross-functional coordination skills.
• Preferred: Microsoft SC-200 or an equivalent security operations certification.
• Preferred: Exposure to Microsoft Defender XDR, Microsoft Sentinel, KQL, threat hunting, and endpoint investigation techniques.
• Preferred: Familiarity with Microsoft Defender for Identity, Defender for Office 365, vulnerability management, and security compliance.
• Preferred: Experience with PowerShell scripting and security operations automation.

Benefits:

• Remote working arrangement within India.
• Opportunity to work with Microsoft security technologies and enterprise endpoint protection environments.
• Exposure to global security operations and collaboration across international teams.
• Professional development through hands-on experience in threat investigation, incident response, and endpoint security.
• Collaborative environment focused on innovation, continuous learning, and inclusive teamwork.
• Salary, healthcare coverage, insurance, paid leave, and additional benefits are not specified in the job description.

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