Email Security Administrator

Company : Madre Integrated Engineering

Job Type : Full Time

Doha, Qatar

Job Description - Email Security Administrator

We are seeking two dedicated Email Security Administrators to manage and support the organization’s on -premises email security infrastructure. The role focuses on ensuring secure, reliable, and uninterrupted email communication across the enterprise by managing spam, phishing, malware protection, and secure mail flow integration with Microsoft 365 and related systems.

1. Platform Administration & Monitoring

Perform daily administration and health monitoring of the email security gateway
Ensure system availability, performance, and stability
Monitor dashboards, alerts, and security events in real time

2. Policy Management & Optimization

Configure, maintain, and tune email security policies
Manage anti -spam, anti -phishing, malware filtering, and spoofing protection rules
Continuously improve filtering accuracy and reduce false positives/negatives

3. Quarantine & Mail Handling

Review quarantined emails and support safe release workflows
Validate false positives and ensure secure message delivery
Handle user requests related to blocked/quarantined emails

4. Mail Flow & Integration Support

Troubleshoot end -to -end mail flow issues across on -premises gateway and Microsoft 365
Manage SMTP routing, mail connectors, and relay configurations
Ensure seamless integration between security gateway, DNS, and email systems

5. Threat Investigation & Response

Investigate spam, phishing, malware, spoofing, and impersonation attempts
Perform log analysis and correlate security events
Support incident response in coordination with SOC teams

6. Security Protocol & Email Authentication

Manage and validate SPF, DKIM, DMARC, and TLS configurations
Ensure email authentication standards are correctly implemented and enforced

7. Collaboration & Escalation Management

Coordinate with infrastructure, network, SOC, and messaging teams
Work with vendors for issue escalation, RCA tracking, and resolution follow -up

8. Reporting & Audit Support

Generate operational and security reports (threat trends, blocked mail, system health)
Support internal and external audit requirements
Maintain documentation for configurations, incidents, and changes

9. Change & Maintenance Support

Support system upgrades, patches, and maintenance activities
Execute change requests following approval processes
Ensure minimal disruption during updates and migrations

Requirements

Proven experience in email security gateway administration (on -prem or hybrid environments)

Strong hands -on knowledge of mail flow architecture and SMTP routing

Experience working with Microsoft 365 mail systems

Deep understanding of:

SMTP, MX records, DNS
SPF, DKIM, DMARC authentication
TLS encryption for email transport

Experience in phishing, spam, malware analysis, and incident handling

Familiarity with SOC environments and security escalation workflows

Strong troubleshooting skills for mail flow and connectivity issues

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