Noida · Senior
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The Email Security Engineer (L3) is responsible for managing, securing, and optimizing enterprise email security platforms. The role acts as the highest level of technical escalation for email security incidents, phishing investigations, malware containment, secure email gateway administration, and compliance enforcement. The engineer ensures protection against phishing, malware, business email compromise (BEC), spam, and advanced email-borne threats.
Key Responsibilities Serve as the L3 escalation point for complex email security incidents and threat investigations. Administer and support Secure Email Gateway (SEG) and Email Threat Protection platforms. Analyze phishing, malware, spoofing, and Business Email Compromise (BEC) incidents. Configure and maintain security policies for inbound and outbound email security. Implement and manage SPF, DKIM, DMARC, and email authentication controls. Conduct Root Cause Analysis (RCA) and recommend preventive measures. Support email security audits, compliance reviews, and risk assessments. Monitor security alerts, threat intelligence feeds, and email security dashboards. Develop email security standards, SOPs, and operational runbooks. Collaborate with SOC, IAM, Network Security, Endpoint Security, and Messaging teams. Mentor L1/L2 engineers and provide guidance during major incidents.
Technical Skills Email Security Platforms Microsoft Defender for Office 365 Microsoft Exchange Online Protection (EOP) Proofpoint Email Security Mimecast Cisco Secure Email Gateway (ESA) Barracuda Email Security Gateway Messaging Platforms Microsoft Exchange Online Microsoft 365 Exchange Hybrid SMTP Infrastructure Email Security Controls SPF DKIM DMARC Anti-Spam & Anti-Malware Safe Links Safe Attachments URL Rewriting & Sandboxing Threat Protection Phishing Analysis Business Email Compromise (BEC) Malware Investigation Email Forensics Threat Hunting Incident Response Monitoring & Reporting Microsoft Defender Portal SIEM (Splunk, Sentinel, QRadar) Message Trace Analysis Security Dashboards Automation & Scripting PowerShell Exchange PowerShell Microsoft Graph API Email Security Automation Preferred Certifications Microsoft Security Operations Analyst (SC-200) Microsoft Security Administrator (SC-300) Microsoft 365 Security Administrator (MS-102) Proofpoint Certified Security Administrator Mimecast Certified Engineer CISSP (Preferred) CEH ITIL Foundation Soft Skills Strong analytical and investigative skills. Excellent communication and stakeholder management. Ability to work in a 24x7 operational environment. Experience leading major security incidents. Documentation and knowledge management expertise. Key Competencies Email Security Operations Threat Detection & Response Phishing & Malware Analysis Security Governance & Compliance Incident & Problem Management Security Automation Cybersecurity Risk Mitigation
Technical Skills Email Security Platforms Microsoft Defender for Office 365 Microsoft Exchange Online Protection (EOP) Proofpoint Email Security Mimecast Cisco Secure Email Gateway (ESA) Barracuda Email Security Gateway Messaging Platforms Microsoft Exchange Online Microsoft 365 Exchange Hybrid SMTP Infrastructure Email Security Controls SPF DKIM DMARC Anti-Spam & Anti-Malware Safe Links Safe Attachments URL Rewriting & Sandboxing Threat Protection Phishing Analysis Business Email Compromise (BEC) Malware Investigation Email Forensics Threat Hunting Incident Response Monitoring & Reporting Microsoft Defender Portal SIEM (Splunk, Sentinel, QRadar) Message Trace Analysis Security Dashboards Automation & Scripting PowerShell Exchange PowerShell Microsoft Graph API Email Security Automation Preferred Certifications Microsoft Security Operations Analyst (SC-200) Microsoft Security Administrator (SC-300) Microsoft 365 Security Administrator (MS-102) Proofpoint Certified Security Administrator Mimecast Certified Engineer CISSP (Preferred) CEH ITIL Foundation Soft Skills Strong analytical and investigative skills. Excellent communication and stakeholder management. Ability to work in a 24x7 operational environment. Experience leading major security incidents. Documentation and knowledge management expertise. Key Competencies Email Security Operations Threat Detection & Response Phishing & Malware Analysis Security Governance & Compliance Incident & Problem Management Security Automation Cybersecurity Risk Mitigation
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