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.