Cyber Security Engineer Proofpoint

Job Title: Cyber Security Engineer Proofpoint

Location: Aurora, IL - Onsite

SKILLS REQUIRED:

Key Responsibilities

Email Environment Assessment & Integration

• Review the new organisation's email infrastructure (Microsoft 365 or on-premises Exchange).
• Add new domains to Proofpoint configuration and set destination mail servers.
• Integrate user directory (LDAP or Azure AD) for address validation and synchronisation.
• Plan and execute MX record switch to route email traffic through Proofpoint.
• Configure connectors for Microsoft 365 or Exchange environments.

Security Configuration & Threat Management

• Implement spam, phishing, malware filters, and DLP policies as needed.
• Align Proofpoint DLP with existing enterprise solutions (e.g., Microsoft Purview).
• Configure alerting mechanisms to notify SOC of advanced threats.
• Define alert routing protocols and ensure visibility of threat intelligence to SOC.
• Monitor quarantines for false positives and tune policies accordingly.

User & Admin Enablement

• Train mail administrators on Proofpoint UI (quarantine release, tracking logs).
• Set up user digest notifications for quarantined emails and VIP impersonation protection.
• Provide end-user guidance on quarantine digest usage and email release procedures.
• Grant access to operations teams and conduct KT sessions with handover sign-off.

Governance & Maintenance

• Develop SOPs for policy tuning, quarantine management, and threat analysis.
• Update filters, lists, and blocklists based on evolving threat landscape.
• Periodically scan for rogue or expired certificates and renew SSL certs used on the Proofpoint interface.
• Ensure capacity planning for increased inbound/outbound email volume.
• Maintain user synchronisation via directory integration.

Domain & Authentication Management

• Update SPF, DKIM, and DMARC records for new domains sending via Proofpoint.
• Outline parallel run or direct cutover strategy for Proofpoint deployment.
• Document all configurations and maintain change logs for audit and compliance.

Qualifications

• Proven experience with Proofpoint Secure Email Gateway and enterprise email security.
• Strong understanding of email infrastructure (O365, Exchange), MX records, and mail routing.
• Experience with LDAP/Azure AD integration and directory synchronisation.
• Familiarity with SPF, DKIM, DMARC, and email authentication best practices.
• Excellent documentation and training skills.
• Ability to lead cross-functional teams and drive secure email initiatives.

Preferred Certifications

• Proofpoint Certified Specialist
• Microsoft Certified: Messaging Administrator Associate
• Certified Information Systems Security Professional (CISSP)
• CompTIA Security+ or equivalent