> Markdown version of [/jobs/ext/4311406-exchange-online-administrator](https://www.wearedevelopers.com/jobs/ext/4311406-exchange-online-administrator). 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). --- # Exchange Online Administrator - **Company:** The Brixton Group, Inc. - **Location:** Seattle, WA, United States - **Experience:** Expert - **Salary:** $124,800.0 - $145,600.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Microsoft Antivirus, User Authentication, Configuration Management, Domainkeys Identified Mail, Domain-Based Message Authentication Reporting and Conformance (DMARC), Email Filtering, Microsoft Exchange Server, Microsoft Office, Microsoft Software, Online Service Provider, Windows PowerShell, Anti-Phishing, Facebook Flow, Software Troubleshooting, Sender Policy Framework (SPF) - **Published:** October 7, 2026 - **Apply:** https://www.careerbuilder.com/job-details/exchange-online-administrator-seattle-wa--53f87cfd-dd3a-4f6f-b64b-f1b466aff53e ## About the Role Microsoft Exchange Server Administration, Automation, Microsoft Exchange Server, Administrative Skills, Identify Issues, Microsoft Product Family, Microsoft Exchange Server Administration, Internet/Online Service, Authentication, Configuration Management, We are seeking an experienced Exchange Online Administrator / Service Engineer to design, implement, secure, and support Microsoft Exchange Online within the Microsoft 365 environment. The ideal candidate will have strong hands-on experience in Exchange Online administration, mail flow, security engineering, troubleshooting, automation, and Microsoft 365 security and compliance., * 10+ years of experience in IT, with strong hands-on expertise in Microsoft Exchange Online administration and service engineering. * Expertise in mail flow, transport rules, connectors, and Exchange Online PowerShell. * Experience implementing Exchange Online security controls and Microsoft Defender for Office 365. * Strong knowledge of SPF, DKIM, DMARC, modern authentication, and mail flow troubleshooting. * Experience providing L3/SME-level production support and resolving complex technical issues. * Experience with Microsoft 365 security, identity integration, and operational governance. * Strong troubleshooting, communication, and technical documentation skills. ## Description * Design, configure, administer, and support Microsoft Exchange Online services. * Provide L3/SME-level troubleshooting for complex messaging, mail flow, authentication, and delivery issues. * Manage Exchange Online configurations, including transport rules, connectors, distribution groups, shared mailboxes, and retention policies. * Implement and manage security controls, including anti-spam, anti-phishing, Microsoft Defender for Office 365, Safe Links, and Safe Attachments. * Configure and manage SPF, DKIM, DMARC, modern authentication, and mail flow security. * Lead and support Exchange Online security implementation, migration, and optimization projects. * Monitor service health, investigate security events, and resolve complex production issues. * Collaborate with Microsoft support and cross-functional teams to resolve critical service incidents. * Develop technical documentation, operational procedures, and runbooks. * Support change management, testing, deployments, and Microsoft 365 governance initiatives.