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Microsoft Exchange Email Administrator

Altera Digital Health Inc. UK

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Location:
India

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Category:
IT - Administration

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Contract Type:
Not provided

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Salary:

Not provided

Job Description:

The Microsoft Exchange Email Administrator is responsible for managing, maintaining, and supporting the organization’s hybrid email environment, which includes on-premises Microsoft Exchange servers and Exchange Online in Microsoft 365. This role ensures service continuity and optimal functioning of the email and messaging services in a secure, reliable, and efficient manner across all platforms. The administrator provides technical leadership in implementing best practices, performing system upgrades, maintenance, and delivering end-user support.

Job Responsibility:

  • Manage, configure, and maintain the organization’s hybrid Exchange environment, including on-premises Exchange Server (2016/2019/SE) and Exchange Online
  • Oversee and troubleshoot mail flow between on-premises and cloud environments to ensure seamless user experience
  • Apply patches, updates, and cumulative rollups to Exchange servers, ensuring system integrity and security
  • Monitor and optimize system performance, capacity, and reliability through regular maintenance and enhancements
  • Manage Exchange certificates and ensure proper TLS/SSL configurations
  • Administer transport rules, connectors, and TLS encryption with partner organizations
  • Perform recipient management for all types in a hybrid environment, including user mailboxes, shared mailboxes, resource mailboxes, distribution lists, and Microsoft 365 groups
  • Manage mailbox and calendar permissions, auditing, retention policies, sharing, mobile device mailbox policies, RBAC, role assignment policies, and archiving configurations
  • Administer Exchange Online settings via Microsoft 365 Admin Center and Exchange Admin Center
  • Configure and maintain Exchange Online Protection (EOP) and Microsoft Defender for Office 365 policies for anti-spam, anti-malware, and phishing protection
  • Manage domains and DNS records, including DKIM, SPF, and DMARC for domain authentication and email deliverability
  • Ensure compliance with organizational and regulatory policies (e.g., DLP, message encryption, and eDiscovery)
  • Collaborate with security teams to investigate and resolve email-related security incidents
  • Diagnose and resolve mail flow, performance, and connectivity issues, including TLS encryption with partner organizations
  • Provide Tier 2/3 support for complex Exchange-related incidents
  • Assist end-users with email client issues for Outlook, Outlook on the web, and mobile device configurations

Requirements:

  • Bachelor’s degree in Information Technology, Computer Science, or related field (or equivalent work experience)
  • 4–6+ years of experience administering Microsoft Exchange environments, including on-premises and Exchange Online
  • Hands-on experience managing hybrid Exchange deployments and Microsoft 365 environments
  • Strong understanding of Active Directory, Azure AD, DNS, SMTP, and mail routing
  • Proficiency with Exchange PowerShell (on-premises and cloud)
  • Experience with hybrid configuration wizards and Exchange connectors
  • Knowledge of Microsoft Purview (Compliance Center), retention policies, and email archiving
  • Familiarity with Microsoft Defender and spam gateways for anti-spam, anti-malware, and phishing protection
  • Understanding of security and authentication protocols (TLS, OAuth, OpenID, MFA, S/MIME)
  • Knowledge of load balancing and high availability configurations for Exchange servers

Nice to have:

  • Microsoft Certified: Messaging Administrator Associate
  • Microsoft 365 Certified: Enterprise Administrator Expert
  • CompTIA Security+ or equivalent

Additional Information:

Job Posted:
December 17, 2025

Work Type:
Hybrid work
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