Microsoft System Admin

<p><strong>Publication date :</strong> Jan 27, 2026, 11:07AM</p><p><strong>Purpose of the job</strong></p> <p>To manage and maintain Active directory and Exchange systems.</p> <p><strong>Duties and responsibilities</strong></p> <ol><li>Install new and rebuild existing servers and configure hardware, peripherals, services, settings, directories, and storage.</li><li>Develop and maintain installation and configuration procedures; contribute to and maintain system standards.</li><li>Perform daily system and security monitoring, verify the integrity and availability of all hardware, server resources, systems and key processes, review system and application logs.</li><li>Perform daily backup operations, ensure all required file systems and system data are successfully backed up to the appropriate media and integrity checked regularly.</li><li>Provide support to various end user and developer groups by request.</li><li>Apply OS patches and upgrades on a regular basis.</li><li>Administering, configuring, and maintaining Microsoft Exchange server.</li><li>Managing mailboxes, public folders, and other mailbox resources.</li><li>Troubleshooting Exchange server issues and performance tuning.</li><li>Developing and implementing anti-spam and anti-virus measures.</li><li>Creating and managing mailbox stores and distribution groups.</li><li>Configuring and managing mobile devices that link to Exchange.</li><li>Performing backups, restores, and setting up disaster recovery plans.</li><li>Monitoring Exchange server performance and optimizing server resources.</li><li>Performing Exchange server upgrades and patching as needed.</li><li>Providing end-user support and troubleshooting.</li></ol> <p><strong>Job specification</strong></p> <p>Education</p> <ol><li>Bachelor's degree in Engineering or any related field from a recognized university.</li></ol> <p>Experience.</p> <ol><li>5 years experience working in IT.</li><li>Experience engineering support of Active Directory, DNS, and any additional Microsoft.</li><li>Experience with Active Directory including GPO, DNS and DHCP.</li><li>Experience with capacity planning, performance monitoring and maintenance planning to ensure high availability.</li><li>Work closely with network engineering in the development, coordination, troubleshooting of enterprise network security systems and implementation of appropriate rulesets.</li><li>Participate with implementation of solutions involving data encryption, data masking, secure file transfers, and data leakage prevention. Supports new initiatives related to regulatory mandates.</li><li>Assist in maintaining Application Packaging Standards / Desktop Standards / Hardware Imaging / OS Patches, etc.</li><li>Design / Develop PowerShell Scripts for Automation of Operational Process, where appropriate</li><li>Implement / Support Security Policies / Audits - Troubleshoot / Resolve Security Permissions Issues.</li><li>Interface with Systems Admins / DBAs to Improve Operational Processes / Engineering Standards, etc.</li><li>Experience with at least one scripting language (PowerShell / VBScript / Python, etc.).</li><li>Exchange Administration / Support; SQL Server Administration / Support.</li></ol> <p>Must have the following certificates:</p> <ul><li>Microsoft Office 365 Certified: Administrator Expert</li><li>Azure Solution Architect Expert</li></ul> <p>Skills and abilities</p> <ul><li>Very good English both spoken and written.</li><li>Very good computer skills.</li><li>Strong Customer Orientation.</li><li>Strong communication, listening & interpersonal skills.</li><li>Flexibility & ability to work in a team.</li><li>Self-confident with professional behavior & attitude.</li><li>High sense of time management.</li></ul><p style="font-family:'Helvetica Neue', sans-serif; font-size:20px !important; font-weight:bold!important; margin:0;"> Only your skills matter </p> <p style="font-family:'Helvetica Neue', sans-serif; font-size:16px!important; font-weight:normal !important; margin-top:8px;"> Regardless of your age, gender, origin, religion, sexual orientation, neurodiversity, disability, or appearance, we actively encourage diversity within our teams, as it is both a collective strength and a driver of innovation. Orange is a disability-friendly company: please feel free to let us know about any specific needs you may have. </p>