Email Security Engineer

Tekskills Inc.; Kolkata District; On-site; INR 1,000,000 - 1,500,000; Full time

Job summary

Tekskills Inc. is seeking an Email Security Specialist to manage and enhance Mimecast Email Security, focusing on phishing prevention, spoofing mitigation, and malware protection. The role aligns email routing and DKIM/DMARC/SPF with compliance, while monitoring threats and performing RCAs on events.

You will integrate security events with SIEM, develop weekly threat reports, and guide BEC protection plus user awareness programs. Collaboration with IT and IR teams is essential.

Qualifications

• Experience implementing Mimecast Email Security to prevent phishing and malware.
• Ability to establish advanced filtering and impersonation protection.
• Knowledge of DKIM/DMARC/SPF configurations for compliance.
• Experience with phishing simulations and user awareness programs.
• Familiarity with incident response and RCA processes.

Responsibilities

• Manage and continuously improve Mimecast Email Security implementation to prevent phishing, spoofing, and malware threats targeting users.
• Establish advanced filtering, impersonation protection, and attachment sandboxing policies per risk-based user segmentation.
• Ensure email routing, journaling, and DKIM/DMARC/SPF configurations are aligned with compliance and audit requirements.
• Monitor and resolve advanced email threats, perform RCA on false negatives/positives, and lead remediation for targeted phishing attacks.
• Integrate email security events into SIEM for correlation with identity and endpoint telemetry for improved incident detection.
• Develop reporting templates for weekly threat trends and support governance teams with compliance submissions.
• Provide guidance on BEC protection, email content control, and mailbox behavior analytics.
• Lead simulation testing, phishing campaign exercises, and user awareness metrics for ongoing posture improvements.
• Collaborate with IT and IR teams to drive end-to-end containment and recovery of email-borne incidents.
• Define operational baselines, tune policies, and manage escalations from SOC analysts and internal stakeholders.

Skills

Email security

Threat detection

Incident response

SOC collaboration

Policy tuning

Tools

Mimecast Email Security

SIEM

DKIM/DMARC/SPF

Job description

Key Responsibilities

• Manage and continuously improve Mimecast Email Security implementation to prevent phishing, spoofing, and malware threats targeting users.
• Establish advanced filtering, impersonation protection, and attachment sandboxing policies per risk-based user segmentation.
• Ensure email routing, journaling, and DKIM/DMARC/SPF configurations are aligned with compliance and audit requirements.
• Monitor and resolve advanced email threats, perform RCA on false negatives/positives, and lead remediation for targeted phishing attacks.
• Integrate email security events into SIEM for correlation with identity and endpoint telemetry for improved incident detection.
• Develop reporting templates for weekly threat trends and support governance teams with compliance submissions.
• Provide guidance on BEC protection, email content control, and mailbox behavior analytics.
• Lead simulation testing, phishing campaign exercises, and user awareness metrics for ongoing posture improvements.
• Collaborate with IT and IR teams to drive end-to-end containment and recovery of email-borne incidents.
• Define operational baselines, tune policies, and manage escalations from SOC analysts and internal stakeholders.