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M365 Messaging Lead jobs in United States
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Cognizant · 18 hours ago

M365 Messaging Lead

Cognizant is a global leader in business and technology services, and they are seeking an M365 Messaging Lead to ensure the reliability, security, and governance of their enterprise messaging environment. This role involves overseeing daily operations of Exchange Online, managing mail flow, and enhancing collaboration through Microsoft Teams, while also mentoring junior engineers and driving operational excellence.
ConsultingIndustrial AutomationInformation TechnologySoftwareSoftware Engineering
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Responsibilities

Oversee daily operations of Exchange Online and hybrid messaging services, ensuring secure mail flow, high availability, and optimal performance
Manage mail flow, transport rules, connectors, mailbox policies, shared mailboxes, distribution groups, and permissions
Monitor message traces, queues, and service health, leading incident response and root cause analysis (RCA) for messaging issues
Administer and optimize Proofpoint (POD/TRAP/TAP/EOP) for anti-spam/anti-phishing protections, URL defense, and attachment sandboxing
Maintain and enhance DMARC/DKIM/SPF configurations, manage quarantines and sender lists, and lead campaign-level threat investigations
Administer M365 Security & Compliance features including DLP, retention policies, litigation hold, eDiscovery, Safe Links, and Safe Attachments
Enforce RBAC, least privilege, configuration baselines, and change control procedures across messaging and collaboration platforms
Maintain Active Directory / Entra ID hygiene, including service accounts, groups, policies affecting Outlook/Teams, and directory sync/health
Support identity lifecycle processes, Conditional Access, and app registrations related to messaging services
Manage Microsoft Teams policies, guest access, channels, and collaboration governance
Partner with infrastructure, security, and business teams to align messaging services with organizational goals
Develop and maintain technical documentation, runbooks, and operational standards
Identify and implement opportunities for improved reliability, scalability, and user experience through automation and continuous improvement
Mentor junior engineers and champion best practices for secure and compliant messaging operations

Qualification

Exchange OnlineHybrid ExchangeM365 messaging migrationsProofpoint administrationM365 Security & ComplianceActive DirectoryMicrosoft Teams governancePowerShell scriptingMicrosoft DefenderRunbooks developmentBachelor's degreeMicrosoft Certified Azure Solutions Architect ExpertMicrosoft 365 Certified Messaging Administrator AssociateCommunication skillsCross-functional collaboration

Required

Extensive experience administering Exchange Online and enterprise messaging environments
Strong background supporting Hybrid Exchange (mail flow, connectors, transport rules)
Proven expertise with M365 messaging migrations
Hands-on experience with Proofpoint administration and tuning
Knowledge of M365 Security & Compliance features (DLP, retention, eDiscovery, litigation hold)
Strong troubleshooting skills with the ability to lead incidents, conduct RCA, and implement durable fixes
Experience supporting hybrid work models and rotational shift schedules
Proficiency maintaining Active Directory and Entra ID and supporting identity lifecycle/Conditional Access
Experience administering Microsoft Teams policies and governance
Excellent communication skills and cross-functional collaboration capabilities
Bachelor's degree in Computer Science, Engineering, or equivalent experience

Preferred

PowerShell scripting and automation for Exchange/M365 operations
Experience with Microsoft Defender for Office 365 and advanced email threat protection
Familiarity with Teams Voice/telephony administration
Experience developing runbooks, monitoring dashboards, and configuration baselines
Microsoft Certified: Azure Solutions Architect Expert
Microsoft 365 Certified: Messaging Administrator Associate

Benefits

Medical/Dental/Vision/Life Insurance
Paid holidays plus Paid Time Off
401(k) plan and contributions
Long-term/Short-term Disability
Paid Parental Leave
Employee Stock Purchase Plan

Company

Cognizant

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Cognizant is a professional services company that helps clients alter their business, operating, and technology models for the digital era.

Funding

Current Stage
Public Company
Total Funding
$0.24M
Key Investors
Summit Financial Wealth Advisors
2025-03-08Post Ipo Equity
2016-11-18Post Ipo Equity· $0.24M
1998-06-19IPO

Leadership Team

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Ravi Kumar S
Chief Executive Officer
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Anil Cheriyan
CTO / EVP Strategy & Technology
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Company data provided by crunchbase