Senior Systems Engineer – Messaging & Identity

About This Role

Job Title: Senior Systems Engineer – Microsoft 365, Identity and Messaging

Location : Abu Dhabi

Job Type : Full-time

About the Role

We are seeking an experienced Senior Systems Engineer with deep expertise in Microsoft 365, messaging, identity, and virtualization technologies. In this role, you will be responsible for managing and optimizing enterprise infrastructure across both on premises and cloud environments. You will play a key role in ensuring high availability, security, and performance of critical systems that support collaboration and business operations.

Key Responsibilities

• Manage and support Microsoft Exchange environments including Exchange Server and Exchange Online across hybrid deployments

• Administer identity and access platforms including Active Directory and Microsoft Entra ID with focus on authentication, conditional access, and group policy management

• Perform Microsoft 365 administration including tenant configuration, licensing, and service health monitoring along with SharePoint Online and OneDrive for Business

• Operate virtualization platforms with a focus on VMware vSphere including virtual machine lifecycle management and performance optimization

• Maintain Windows Server infrastructure including server builds, patching, and configuration of services such as DNS, DHCP, Certificate Services, KMS, and Remote Desktop Services

• Implement and manage data protection and compliance solutions using Microsoft Purview Information Protection and Data Loss Prevention policies

• Ensure system security through hardening practices and collaboration with security teams for threat detection and remediation

• Lead infrastructure projects including migrations involving Exchange, Microsoft 365, identity platforms, and virtualization technologies

• Develop migration strategies, runbooks, rollback procedures, and post implementation validation plans

• Troubleshoot complex issues across messaging, identity, virtualization, and server environments and perform root cause analysis

• Maintain detailed documentation for system architecture, configurations, and operational procedures

• Follow ITIL aligned processes for change management, incident management, and problem management

• Monitor system performance and generate reports on service availability and capacity

• Collaborate with cross functional teams including networking, security, and application teams to deliver reliable solutions

Required Skills and Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field

• Strong expertise in Microsoft Exchange Server and Exchange Online including hybrid configurations and migrations

• Extensive experience with Active Directory, Microsoft Entra ID, and identity synchronization tools

• Proficiency in Microsoft 365 administration including tenant management and integration with on premises systems

• Hands on experience with VMware vSphere and virtualization best practices

• Strong Windows Server administration skills including patching, security, and services configuration

• Experience implementing Microsoft Purview Information Protection and Data Loss Prevention policies

• Strong scripting and automation skills with PowerShell

• Familiarity with monitoring and reporting tools across infrastructure platforms

• Good understanding of ITIL processes and structured change management practices

Experience

• 7 to 10 years of relevant experience in infrastructure, messaging, identity, and virtualization environments