Senior Messaging Engineer

Job Description

Job Title: Email / IM / Collaboration Lead

Location: Milford, MA 01757

Note :- IN-Person interview required.

Messaging Administration and Operation

• sAdminister 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 Suppor

• tDiagnose 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 Complianc

• eConfigure 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 Desig

• nLead 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 Managemen

• tMonitor 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 Optimizatio

• nDevelop 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 Skill

sCore Messaging Technologie

• sMicrosoft 365 (Exchange Online – advanced level
• )Exchange Hybrid (on-premises + cloud integration
• )Mail flow and transport configuratio

nSecurity & Complianc

• eExchange Online Protection (EOP
• )Microsoft Defender for Office 36
• 5Email security technologies (anti-spam, anti-virus, threat protection)
• SPF, DKIM, DMARC implementatio

nDirectory & Identit

• yAzure AD / Entra I
• DActive Directory (synchronization, AAD Connect

)Networking & Protocol

• sSMTP, TLS, and DNS (MX and SPF records
• )Email routing and relay configuration

sScripting & Tool

• sPowerShell (Exchange Online & Azure modules

)Monitoring tools (M365 Admin Center, Security Center

)