> Markdown version of [/jobs/ext/2172822-email-security-engineer](https://www.wearedevelopers.com/jobs/ext/2172822-email-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Email Security Engineer

- **Company:** Corteva
- **Location:** Des Moines, IA, United States
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Cyber Security, Databases, Data Integration, Domainkeys Identified Mail, Domain-Based Message Authentication Reporting and Conformance (DMARC), Microsoft Exchange Server, Simple Mail Transfer Protocols, Enterprise Messaging Systems, Microsoft Office, Windows PowerShell, Role-Based Access Control, Release Management, Azure Active Directory, Phishing, Office365, Sender Policy Framework (SPF), Spoofing, Cisco
- **Published:** August 21, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3361157420&tx=HT767THZ&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

* Senior-level experience 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 related mail sanitation and threat protection platforms.
 * Hands on experience of working with Microsoft Exchange Server 2019/SE and Office 365.
 * Deep understanding of Exchange transport, SMTP, TLS, connectors, mail routing, hybrid mail flow, accepted domains, relays, and message hygiene controls.
 * Good understanding of Exchange databases, MBX and CAS server model.
 * Good understanding of Active Directory and Azure Active Directory.
 * Good understanding of O365 Licensing services and offerings.
 * Microsoft Exchange Online Implementation and management Experience.
 * Working knowledge of implementing compliance policies and RBAC model.
 * Some PowerShell scripting understanding to write scripts for implementing changes, troubleshooting issues for large number of users.
 * Experience in implementing whitelisting, relays and compliance in Messaging gateways and EOP (Exchange Online protection).
 * Experience implementing and supporting email authentication and domain protection controls, including DMARC, SPF, DKIM, domain alignment, spoofing protection, and reporting-based remediation.
 * Experience working with MSS providers, SOC teams, and security operations resources to manage email security incidents, tune controls, review detections, and support operational handoffs.
 * Experience working with Vendors, SLAs, product roadmaps, and support lifecycles.
 * Understanding of Directory Synchronization/AD Connect/Microsoft Entra Connect sync.
 * ITIL and Microsoft certifications is a plus.
 * Experience in Active directory and Microsoft Exchange hybrid servers is desirable.

Leadership Competencies

 * Strong verbal and written communication skills
 * Managing externally contracted team resources.
 * Partnering with vendors and suppliers.
 * Ability to work with cross functional global teams

## Description

* Lead incident response efforts within service delivery for any incidents impacting mail and related applications.
 * Provide senior-level engineering support for Exchange Online, Exchange hybrid, on-premises Exchange, SMTP relay, transport, and related messaging services.
 * Provide architecture support for mail flow, Exchange topology, hybrid connectivity, identity integration, security controls, and future-state messaging roadmaps.
 * Responsible for change, release management, and testing associated with non-impact, operational readiness, and transition acceptance.
 * Responsibility to deliver on projects for Exchange user Migrations, AD data integration with messaging platforms etc.
 * Responsible for communications and interfacing with internal and external stakeholders impacted, or potentially impacted, by service disruption, additions, changes, and/or reductions in service.
 * Responsible for information security and compliance in relation to messaging environment.
 * Administer and improve Exchange security tooling and controls, including Proofpoint, DMARC, SPF, DKIM, EOP, anti-phishing, anti-spoofing, email authentication, quarantine, policy tuning, and secure mail routing.
 * Partner with Managed Security Services (MSS) resources to investigate email security events, coordinate response actions, tune detections and policies, and support continuous improvement of messaging security operations.
 * Lead complex troubleshooting and root-cause analysis for escalated messaging, mail flow, authentication, delivery, and security incidents across internal teams and external service providers.
 * Maintenance and review of KB Articles, documentation.


## Related Videos

- [Develop enterprise-ready applications for Microsoft Teams with Azure resources on modern web technologies](https://www.wearedevelopers.com/videos/187-develop-enterprise-ready-applications-for-microsoft-teams-with-azure-resources-on-modern-web-technologies)
- [Passkeys: Truly Phishing-Resistant? Implementation and Pitfalls](https://www.wearedevelopers.com/videos/100156-passkeys-truly-phishing-resistant-implementation-and-pitfalls)
- [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team)
- [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities)
- [Checkmate: 5 Real Incidents That Can End a Software Company](https://www.wearedevelopers.com/videos/100126-checkmate-5-real-incidents-that-can-end-a-software-company)
- [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques)

## Related Articles

- [Events like RSAC Get You CISOs. Developers Decide What Actually Gets Deployed.](https://www.wearedevelopers.com/magazine/693-events-like-rsac-get-you-cisos-developers-decide-what-actually-gets-deployed)
- [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Dev Digest 191: Malware interviews, EU ❤️ Open Source and Skilled Agents](https://www.wearedevelopers.com/magazine/645-dev-digest-191-malware-interviews-eu-open-source-and-skilled-agents)
- [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)
- [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)