Email Security Engineer

This is a fully remote position, open to applicants in Iowa.

📋 Description

• Deliver advanced engineering and architectural support for Exchange Online, Office 365, hybrid, and on-premises systems.

• Design, enhance, and maintain enterprise messaging capabilities across email, SMTP, distribution lists, shared mailboxes, transport services, and mail flow integrations.

• Take ownership of operational support for Exchange security platforms and controls, including Proofpoint, DMARC, SPF, DKIM, EOP, and third-party messaging gateways.

• Oversee and manage changes that affect messaging and related applications.

• Lead incident response initiatives for issues impacting mail and associated applications.

• Provide senior-level engineering support for Exchange, SMTP relay, transport, and related messaging services.

• Offer architectural support for mail flow, Exchange topology, hybrid connectivity, identity integration, security controls, and messaging roadmaps.

• Manage change, release management, testing, operational readiness, and transition acceptance.

• Execute projects involving Exchange user migrations and Active Directory data integration with messaging platforms.

• Communicate and coordinate with internal and external stakeholders affected by service disruptions, additions, changes, or reductions in service.

• Ensure information security and compliance within the messaging environment.

• Administer and enhance email security tools and controls, including anti-phishing, anti-spoofing, email authentication, quarantine, policy tuning, and secure mail routing.

• Collaborate with Managed Security Services resources to investigate email security incidents, coordinate response actions, fine-tune detections and policies, and enhance messaging security operations.

• Lead complex troubleshooting and root-cause analysis for escalated messaging, mail flow, authentication, delivery, and security incidents.

• Maintain and review knowledge-base articles and documentation.

⛳️ Requirements

• Senior-level experience in architecting, engineering, administering, and supporting enterprise Exchange environments, including Exchange Online, Microsoft 365, Exchange hybrid, and on-premises Exchange.

• Strong hands-on experience with Exchange security tools and messaging gateways such as Proofpoint, Cisco, Mimecast, Microsoft EOP, and associated mail sanitation and threat protection platforms.

• Practical experience with Microsoft Exchange Server 2019/SE and Office 365.

• Profound understanding of Exchange transport, SMTP, TLS, connectors, mail routing, hybrid mail flow, accepted domains, relays, and message hygiene controls.

• Solid understanding of Exchange databases, MBX, and CAS server models.

• Familiarity with Active Directory and Azure Active Directory.

• Good understanding of O365 licensing services and offerings.

• Experience in implementing and managing Microsoft Exchange Online.

• Working knowledge of compliance policy implementation and RBAC models.

• Some understanding of PowerShell scripting to write scripts for changes and troubleshooting issues for large user groups.

• Experience in implementing whitelisting, relays, and compliance within messaging gateways and EOP.

• Experience in supporting email authentication and domain protection controls, including DMARC, SPF, DKIM, domain alignment, spoofing protection, and reporting-based remediation.

• Experience collaborating with MSS providers, SOC teams, and security operations resources to manage email security incidents, tune controls, review detections, and facilitate operational handoffs.

• Experience with vendors, SLAs, product roadmaps, and support lifecycles.

• Understanding of Directory Synchronization/AD Connect/Microsoft Entra Connect sync.

• ITIL and Microsoft certifications are advantageous.

• Experience with Active Directory and Microsoft Exchange hybrid servers is preferred.

• Strong verbal and written communication abilities.

• Experience managing externally contracted team resources.

• Experience collaborating with vendors and suppliers.

• Ability to work with cross-functional global teams.

🏝️ Benefits

• Numerous development opportunities available to enhance your skills.

• Health benefits for you and your family starting on your first day of employment.

• Four weeks of paid time off and two weeks of well-being pay annually, in addition to paid holidays.

• Exceptional parental leave policy, providing a minimum of 16 weeks for both mothers and fathers.

• Competitive retirement savings plan.

• Tuition reimbursement program.