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| ID | 42239 |
| Item | Senior Exchange / Microsoft 365 Consultant |
| Description |
Nair Systems is currently looking Senior Exchange / Microsoft 365 Consultant for our Qatar operations.
Experience & Qualifications
10+ years of hands on experience in Exchange and enterprise messaging platforms.
Strong experience working in large enterprise or regulated environments (banking, financial services, healthcare, government preferred).
Microsoft certifications (preferred but not mandatory):
Microsoft 365 Messaging
Security, Compliance, and Identity certifications
Required Skills & Expertise
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.
Key Responsibilities
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.
Microsoft 365 & Outlook Client Expertise
Provide advanced support for Outlook (Windows, Mac), OWA, and mobile client issues, including Autodiscover, profile corruption, authentication, and performance issues.
Deep understanding of Modern Authentication, OAuth, and protocol behavior (SMTP, MAPI, EWS, ActiveSync).
Security, Compliance & Governance
Design and manage Microsoft Defender for Office 365 (Mail Defender) policies including:
Anti spam
Anti malware
Anti phishing
Safe Links and Safe Attachments
Implement and manage Microsoft Purview solutions:
Retention & Deletion policies
Sensitivity labels
Data Loss Prevention (DLP)
eDiscovery (Standard & Premium)
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.
Develop scripts for:
Mailbox lifecycle management
Reporting and auditing
Bulk operations and migrations
Security and compliance enforcement
Drive automation and operational efficiency through scripting and orchestration.
Joining time frame: 2 weeks (maximum 1 month)
Should you be interested in this opportunity, please send your latest resume in MS Word format at the earliest at nishanthini.suda@nairsystems.com
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| Category | Jobs |
| Price | 0.0000 |
| Type | |
| Date & Time | 6/30/2026 12:23:20 PM |
| User | sreejithmr |
| Website | |
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