L2 Security Support - Microsoft Defender Endpoint (Contract)

Job Title: L2 Microsoft Defender for Endpoint Support Enterprise Cybersecurity / Endpoint Security Location: Singapore, Onsite Employment Type: Contract – 3 to 6 months (renewable contract) Job Summary Support a large-scale endpoint security migration with a focus on Microsoft Defender for Endpoint, go-live readiness, Hypercare, and warranty support. Provide L2 technical support across Microsoft Defender for Endpoint, Defender Antivirus, EDR configuration, Attack Surface Reduction rules, and Intune-based policy deployment. Key Responsibilities Investigate MDE onboarding issues, policy deployment behavior, endpoint configuration gaps, AV exclusions, ASR rule concerns, and deviations from approved Defender design guidance. Review logs, screenshots, connector status, device policy status, configuration evidence, and troubleshooting information provided by IT and security teams. Support go-live and Hypercare discussions related to Defender policy rollout, endpoint security transition, and post-deployment stabilization. Coordinate with endpoint, Intune, identity, SOC, and security teams to confirm root cause, validate remediation steps, and track issue closure. Escalate complex or unresolved issues to L3 engineers, SMEs, or architects where deeper platform or design guidance is required. Maintain issue trackers, action notes, support documentation, closure updates, and evidence-based troubleshooting records. Required Skills Experience in endpoint security support, MDE operations, MDE onboarding, or enterprise Microsoft security support. Hands-on knowledge of Microsoft Defender for Endpoint, Defender Antivirus, EDR, ASR rules, and Intune policy deployment. Ability to assess device policy status, endpoint deployment issues, operational exceptions, AV exclusions, and ASR behavior. Familiarity with Entra ID Conditional Access, SOC integration, Microsoft Sentinel, Splunk, and enterprise support governance. Qualifications and Experience Bachelor’s degree in IT, Cybersecurity, Computer Science, or a related field preferred. Relevant certifications such as SC-200, MD-102, SC-900, SC-100, AZ-500, or SC-300 are desirable. Experience in client-facing delivery, Hypercare, warranty support, or regulated enterprise environments is advantageous.