Microsoft System Administrator

Purpose of the job

To manage and maintain Active Directory and Exchange systems.

Duties and responsibilities

Install new and rebuild existing servers and configure hardware, peripherals, services, settings, directories, and storage.

Develop and maintain installation and configuration procedures; contribute to and maintain system standards.

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.

Perform daily backup operations, ensure all required file systems and system data are successfully backed up to the appropriate media and integrity checked regularly.

Provide support to various end user and developer groups by request.

Apply OS patches and upgrades on a regular basis.

Administer, configure, and maintain Microsoft Exchange server.

Manage mailboxes, public folders, and other mailbox resources.

Troubleshoot Exchange server issues and perform performance tuning.

Develop and implement anti-spam and anti-virus measures.

Create and manage mailbox stores and distribution groups.

Configure and manage mobile devices that link to Exchange.

Perform backups, restores, and set up disaster recovery plans.

Monitor Exchange server performance and optimize server resources.

Perform Exchange server upgrades and patching as needed.

Provide end-user support and troubleshooting.

Job specification

Education

Bachelor's degree in Engineering or any related field from a recognized university.

Experience

5 years experience working in IT.

Experience engineering support of Active Directory, DNS, and any additional Microsoft technologies.

Experience with Active Directory including GPO, DNS, and DHCP.

Experience with capacity planning, performance monitoring and maintenance planning to ensure high availability.

Work closely with network engineering in the development, coordination, troubleshooting of enterprise network security systems and implementation of appropriate rulesets.

Participate in implementation of solutions involving data encryption, data masking, secure file transfers, and data leakage prevention. Support new initiatives related to regulatory mandates.

Assist in maintaining Application Packaging Standards / Desktop Standards / Hardware Imaging / OS Patches, etc.

Design and develop PowerShell scripts for automation of operational processes, where appropriate.

Implement and support security policies and audits; troubleshoot and resolve security permissions issues.

Interface with systems administrators and DBAs to improve operational processes and engineering standards.

Experience with at least one scripting language (PowerShell / VBScript / Python, etc.).

Exchange administration and support; SQL Server administration and support.

Certifications

Must have the following certificates:

• Microsoft Office 365 Certified: Administrator Expert
• Azure Solution Architect Expert

Skills and abilities

• Very good English both spoken and written.
• Very good computer skills.
• Strong customer orientation.
• Strong communication, listening, and interpersonal skills.
• Flexibility and ability to work in a team.
• Self-confident with professional behavior and attitude.
• High sense of time management.

At Orange, only your skills matter.

Regardless of your age, gender, background, origin, religion, sexual orientation, disability, neurodiversity, or appearance, we actively encourage diversity within our teams, as it is a collective strength and a driver of innovation.

Orange is a disability-inclusive employer: please feel free to let us know about any specific needs you may have.