Email Security Engineer

Role Summary

The Mail Hygiene Engineer is responsible for securing and optimizing an organization's email environment by implementing email security controls, monitoring mail flow, reducing spam/phishing threats, and ensuring compliance with cybersecurity policies. The role focuses on protecting email infrastructure and enhancing the overall email security posture.

Key Responsibilities

• Administer and maintain email security platforms such as Microsoft Defender for Office 365, Exchange Online Protection (EOP), Proofpoint, Mimecast, or similar solutions.
• Monitor email traffic and investigate suspicious emails, phishing attempts, malware, and spam campaigns.
• Configure and manage email authentication technologies including:SPF (Sender Policy Framework)DKIM (DomainKeys Identified Mail)DMARC (Domain-based Message Authentication, Reporting & Conformance)
• Create and optimize mail flow rules, transport rules, and anti-spam/anti-malware policies.
• Analyze email security incidents and provide remediation recommendations.
• Conduct threat hunting and investigate business email compromise (BEC) attempts.
• Monitor email security dashboards and generate operational/security reports.
• Work with SOC, Security Operations, and IT teams to resolve email-related security incidents.
• Support email security awareness initiatives and phishing simulation programs.
• Ensure compliance with organizational security policies and regulatory requirements.
• Participate in security audits, risk assessments, and continuous improvement initiatives.

Required Skills & Qualifications

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or related field.
• Hands-on experience with Microsoft 365, Exchange Online, or enterprise email environments.
• Strong understanding of email security concepts, protocols, and standards.
• Experience with email security gateways and threat protection solutions.
• Knowledge of: SMTPDNSSPF, DKIM, DMARC Anti-phishing and anti-malware technologies
• Familiarity with SIEM tools and email security analytics.
• Ability to troubleshoot email delivery and authentication issues.
• Strong analytical, communication, and problem-solving skills.