Senior Information Technology System Administrator

Overview

We are seeking a highly experienced and proactive Senior System Administrator to join our IT team. The ideal candidate will possess deep, hands-on expertise in managing and maintaining a complex enterprise IT infrastructure, with a strong focus on

Microsoft Exchange Server, data center operations, and virtualization technologies.

You will play a key role in ensuring the stability, security, and performance of our critical systems. Responsibilities

Microsoft Exchange Server Management : Administer, maintain, and troubleshoot

on-premises Microsoft Exchange

environments. Perform health checks, monitor performance, and manage resources (CPU, Memory, Disk) to ensure optimal operation. Handle mailbox migrations, public folders, and transport rules. Plan and execute Exchange Server updates and patches, ensuring minimal business impact. Virtualization and Data Center : Manage and maintain virtualization platforms, with a strong preference for

VMware vSphere / ESXi

and / or

Hyper-V . Participate in and lead

data center migration projects , including planning, execution, and troubleshooting. Monitor virtualized resource utilization and performance. Core Infrastructure : Administer

Active Directory, Domain Controllers, and Group Policy (GPOs)

for user and computer management, security, and configuration control. Manage file and print services, DNS, DHCP, and other core network services. Implement and manage system monitoring and alerting solutions. Lead or contribute to IT implementation and operational projects (e.g., new system deployments, office setups, technology migrations). Collaborate with cross-functional teams and provide escalated technical support. Document systems, procedures, and project plans. Qualifications

Minimum of

5+ years of professional experience

in a System Administration role. Proven, hands-on experience

with

on-premises Microsoft Exchange Server

administration (management, migration, troubleshooting). Solid experience with

virtualization technologies

(VMware vSphere / ESXi is highly desired; Hyper-V is also relevant). Strong knowledge of

Windows Server, Active Directory, and Group Policy . Experience with patch management and ensuring update compliance without system disruption. Experience in monitoring system performance and resources. Ability to handle high-pressure situations and resolve complex technical problems. Excellent communication and teamwork skills. Preferred Qualifications

Experience with cloud solutions (e.g., Azure, AWS) is a plus. Relevant certifications such as

MCSE, VMware VCP, or CCNA

are advantageous. Experience with IT service management platforms (e.g., ServiceNow). Job Details

Job function : Information Technology Industries : IT Services and IT Consulting, Banking, and Data Infrastructure and Analytics

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