Email Security Administrator

About the role

Madre Integrated Engineering is seeking two dedicated Email Security Administrators to manage and support its on-premises email security infrastructure. The role ensures secure, reliable and uninterrupted email communication by handling spam, phishing and malware protection, and integrating secure mail flow with Microsoft 365 and related systems.

Key responsibilities

• Administer and monitor the email security gateway daily, keeping track of dashboards, alerts and security events
• Configure and tune anti-spam, anti-phishing, malware filtering and spoofing protection rules, reducing false positives and negatives
• Review quarantined emails, validate false positives and handle user requests about blocked messages
• Troubleshoot mail flow issues across the gateway and Microsoft 365, including SMTP routing, mail connectors and relay settings
• Investigate spam, phishing, malware and impersonation attempts, analyse logs and support incident response with SOC teams
• Manage SPF, DKIM, DMARC and TLS configurations
• Coordinate with infrastructure, network, SOC and vendor teams, and support audits and reporting
• Support upgrades, patches and change requests with minimal disruption

Required profile

• Proven experience administering email security gateways in on-prem or hybrid environments
• Strong hands-on knowledge of mail flow architecture and SMTP routing
• Experience with Microsoft 365 mail systems
• Familiarity with SOC environments and escalation workflows

Required skills

• SMTP, MX records, DNS, SPF, DKIM, DMARC and TLS
• Phishing, spam and malware analysis and incident handling
• Strong troubleshooting of mail flow and connectivity issues