Senior M365 Engineer
Role Summary
This role serves as the Level 3 Messaging Engineer for the Collaboration Team and is the primary Exchange (Online and On-Prem) engineering and architecture subject matter expert.
Responsibilities
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Leads Level 3 incident response for messaging and collaboration services, rapidly restoring service while driving root cause analysis, corrective actions, and prevention of recurrence.
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Drives modernization initiatives such as IronPort/secure email gateway upgrades, hybrid Exchange configuration and migration, SharePoint and OneDrive migration, and mobile device management (MDM) strategy enhancements.
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Shapes identity, provisioning, and directory synchronization models in partnership with Identity Services, addressing hybrid dependencies (AD/Entra ID).
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Designs and automates enterprise Microsoft Teams policies and messaging security controls (DLP, sensitivity labeling, anti-phishing/anti-malware).
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Plans and executes vulnerability response, security updates, and patch sequencing for hybrid Exchange environments, including pre-production validation, change control, rollback planning, and coordination with Security/Infrastructure teams.
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Guides enterprise messaging and collaboration architecture for platform integrations (ex: Salesforce, Outlook scheduling) including authentication / authorization patterns, mail flow/connectors, and Microsoft 365 Copilot readiness.
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Oversees analysis of health, performance, and capacity trends (telemetry, logs, and user experience signals).
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Led roadmap planning to ensure long-term health, resiliency, and compliance of communication systems.
Qualifications
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BS degree (or equivalent experience) and 5+ years of relevant experience.
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Requires in-depth expertise in infrastructure operations and messaging platforms.
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Deep understanding of Microsoft Exchange (on-prem and online), IronPort, Microsoft Teams, M365/Entra ID, mobile device management, and messaging security controls.
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Familiarity with architectural oversight and modernization strategies for communication systems.
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Root cause analysis skills for investigating incidents impacting technology availability.
Preferred
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SharePoint Online and OneDrive for Business administration, including migration planning/execution, governance, and user experience troubleshooting.
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Experience operationalizing Microsoft 365 Copilot for collaboration scenarios.
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Automation and scripting for M365 administration (PowerShell, Graph) to standardize configuration, reporting, and policy enforcement.
FINRA Requirements
FINRA licenses are not required and will not be supported for this role.
Work Flexibility
This role is eligible for hybrid work, with up to three days per week from home.
Pay
$87,000.00 - $148,000.00 for the location of: Maryland, Colorado, Washington and remote workers
$95,500.00 - $163,000.00 for the location of: Washington, D.C.
$108,000.00 - $185,000.00 for the location of: New York, California
Benefits
We value your goals and needs, at work and in life. As an associate, you’ll be supported with resources, benefits, and work-life balance so you can thrive in ways that matter to you.