Email / IM / Collaboration Lead (US Citizen)

Job Title: Email / IM / Collaboration Lead

Location: Milford, MA 01757

Visa - US Citizen

Messaging Administration and Operations

• Administer and oversee Exchange Online environments, including mailbox provisioning, retention configuration, and transport rule administration.
• Maintain mail flow configurations, including connectors and message routing policies.
• Manage shared mailboxes, resource mailboxes, distribution lists, and Microsoft 365 Groups in accordance with organizational standards.
• Execute advanced mailbox operations, including migrations, recoveries, litigation holds, and archive management.

Advanced Troubleshooting and Tier 3 Support

• Diagnose and resolve complex email delivery issues, including latency and service degradation.
• Troubleshoot and support hybrid Exchange environments (on-premises and cloud) to ensure continuity of service.
• Analyze and remediate issues related to mail routing, connectors, and DNS records (MX, SPF, DKIM, DMARC).
• Produce root cause analyses (RCA) and provide preventive recommendations to reduce recurrence.

Email Security and Compliance

• Configure and administer Exchange Online Protection (EOP) and Microsoft Defender for Office 365.
• Implement, monitor, and tune anti-spam, anti-malware, and phishing protection policies to mitigate email-borne threats.
• Design, implement, and maintain email authentication protocols (SPF, DKIM, DMARC).
• Support compliance requirements, including retention policies, eDiscovery, and audit activities.

Architecture and Design

• Lead the design and implementation of messaging solutions and service enhancements.
• Support migration initiatives, including on-premises Exchange to Exchange Online and cross-tenant migrations.
• Provide technical direction to ensure scalability, high availability, and performance optimization of the messaging platform.
• Contribute to transition and transformation initiatives to modernize and standardize messaging environments.

Monitoring and Incident Management

• Monitor messaging services, alerts, and service health indicators to ensure operational stability.
• Manage major incidents (Priority 1/Priority 2) and coordinate resolution efforts with Microsoft and third-party vendors, as required.
• Adhere to ITIL-aligned processes for Incident, Problem, and Change Management.

Automation and Optimization

• Develop and maintain automation scripts using PowerShell for Exchange Online.
• Streamline operational activities, including user provisioning, reporting, and mailbox management.
• Drive continuous improvement initiatives to enhance service efficiency and reliability.

Required Technical Skills

Core Messaging Technologies

• Microsoft 365 (Exchange Online – advanced level)
• Exchange Hybrid (on-premises cloud integration)
• Mail flow and transport configuration

Security & Compliance

• Exchange Online Protection (EOP)
• Microsoft Defender for Office 365
• Email security technologies (anti-spam, anti-virus, threat protection)
• SPF, DKIM, DMARC implementation

Directory & Identity

• Azure AD / Entra ID
• Active Directory (synchronization, AAD Connect)

Networking & Protocols

• SMTP, TLS, and DNS (MX and SPF records)
• Email routing and relay configurations

Scripting & Tools

• PowerShell (Exchange Online & Azure modules)

Monitoring tools (M365 Admin Center, Security Center)