Exchange Online Administrator

$60 - $70 per hour

The Brixton Group

Duration: 6+ months

Compensation: $60-70/hr

Location: On-site 1-2 days/week in Seattle, WA

*** U.S. Citizens and those authorized to work in the U.S. are encouraged to apply. We are unable to sponsor or transfer visas at this time. ***

*** No Vendors/3rd parties. ***

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.

Responsibilities:

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.

Requirements:

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.

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Vacancy posted 2 days ago

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