Senior Exchange / Microsoft 365 Consultant
Skills
About This Role
& Qualifications
- 10+ years of hands on experience in Exchange and enterprise messaging platforms.
Technical Skills (Must Have)
- Expert level knowledge of:
• Exchange Server (2016/2019)
- Exchange Online and Hybrid deployments
- Microsoft 365 messaging security stack:
- Defender for Office 365
- Purview (DLP, Retention, eDiscovery)
- Conditional Access
- Strong understanding of:
- AD, Entra ID, DNS, certificates
- Mail flow, transport rules, connectors
- Advanced PowerShell scripting and automation capabilities
Security & Access Control
- Strong understanding of access control, RBAC, least privilege models
- Ability to translate security requirements into enforceable technical controls
- Experience supporting audits, security reviews, and compliance assessments
Communication & Stakeholder Management
- Strong communication skills with the ability to explain complex technical concepts to Security teams, CISO, management, and auditors.
- Proven experience producing:
- Technical designs and architecture documents
- Security justifications and risk assessments
- Executive level summaries and reports
- Comfortable leading discussions, workshops, and escalation calls with internal teams and vendors.
Exchange & Messaging Architecture
- Design, implement, and support Exchange On Premises, Exchange Online, Hybrid Exchange, and Exchange Edge Transport architectures.
- Lead and execute Exchange migrations (On Prem → Hybrid → Exchange Online), including coexistence and decommissioning activities.
- Optimize mail flow, routing, transport rules, connectors, and external integrations.
- Troubleshoot and resolve complex Exchange, mail flow, and client access issues across hybrid environments.
Security, Compliance & Governance
- Design and manage Microsoft Defender for Office 365 (Mail Defender) policies including:
- Enforce Conditional Access policies for secure access to Exchange Online and Microsoft 365 services.
- Collaborate closely with the Security Team and CISO to align messaging platforms with corporate cybersecurity strategy, regulatory requirements, and audit expectations.
Identity, Access & Infrastructure
- Strong expertise in Active Directory (AD), Azure AD / Entra ID, identity synchronization, and access control models.
- Deep working knowledge of DNS, certificates, network security, TLS, and proxy based integrations.
- Support and integrate messaging solutions with proxy, gateway, and security appliances (email gateways, CAS proxy, inspection devices).
Automation, PowerShell & Operations
- Advanced use of Exchange Online PowerShell and on prem Exchange Management Shell.
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