Senior Windows System Administrator

The Group Securities; Doha; On-site; QAR 167,400 - 223,200; Full time

Job summary

The Group Securities in Doha is looking for an experienced Windows System Administrator to manage and secure their IT infrastructure. The role involves administering Windows servers, Active Directory, and virtualization environments, while ensuring optimal system performance and security. Candidates should have at least 10 years of experience in a similar role, a degree in Computer Science, and relevant certifications (e.g., MCSE). Ideal candidates will also be proficient in PowerShell and backup solutions. Excellent documentation and communication skills are essential.

Qualifications

• Minimum 10 years of proven experience as a Windows System Administrator.
• Hands-on experience managing enterprise-level server environments.
• Demonstrated ability to implement and maintain secure IT infrastructure.

Responsibilities

• Administer and maintain Windows servers, Active Directory, DNS, and DHCP.
• Monitor and optimize system performance and capacity.
• Implement and maintain backup and disaster recovery procedures.

Skills

Windows Server administration

Active Directory

Virtualization (VMware/Hyper-V)

PowerShell scripting

Backup solutions (Symantec, Veeam)

Education

Bachelor’s degree in Computer Science or Information Technology

Professional certifications (MCSE, VCP, CompTIA)

Tools

Symantec NetBackup

Veeam Backup

Windows Server 2012/2016/2019/2022

Job description

Position Overview

We are seeking an experienced Windows System Administrator to ensure the stability, security, and performance of our IT infrastructure. The role involves managing Windows servers, Active Directory, virtualization, and storage environments, while supporting users and maintaining business continuity through robust backup and disaster recovery processes.

Key Responsibilities

• Administer and maintain Windows servers, Active Directory, DNS, DHCP, Group Policies, and user accounts.
• Manage system access rights, credentials, permissions, and storage allocations.
• Perform installation, configuration, patching, and upgrades of hardware, operating systems, and software applications.
• Monitor and optimize system performance, availability, and capacity, ensuring proactive issue resolution.
• Implement and maintain backup, disaster recovery, and failover procedures to safeguard business data.
• Manage and support virtualization platforms (VMware/Hyper‑V) and associated infrastructure.
• Develop and maintain automation scripts (e.g., PowerShell) to streamline administration tasks.
• Ensure compliance with security standards, patch management, and system hardening best practices.
• Support cloud and hybrid environments (Azure Active Directory, Microsoft 365) where applicable.
• Coordinate hardware upgrades and replacements and liaise with vendors and IT support teams.
• Maintain accurate documentation, procedures, and technical specifications for system administration.
• Provide guidance and knowledge transfer to IT staff and end users on new technologies and best practices.

Requirements

• Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent practical experience).
• Professional certifications preferred, such as: Microsoft Certified: Windows Server Hybrid Administrator Associate, Microsoft Certified Solutions Expert (MCSE), VMware Certified Professional (VCP), CompTIA Server+ / Security+.
• Minimum 10 years of proven experience as a Windows System Administrator or in a similar role.
• Hands‑on experience managing enterprise‑level server and virtualization environments.
• Demonstrated ability to implement and maintain secure, resilient IT infrastructure.
• Strong knowledge of Windows Server (2012/2016/2019/2022) administration.
• Proficiency in Active Directory, Group Policy, DNS, DHCP, and File/Print Services.
• Experience with virtualization technologies (VMware, Hyper‑V).
• Knowledge of backup solution and must have Hands‑on experience with Symantec (NetBackup) and Veeam Backup solutions.
• Familiarity with storage systems (SAN/NAS/iSCSI).
• Strong skills in PowerShell scripting and automation.
• Understanding of system monitoring, performance tuning, and patch management.
• Knowledge of networking fundamentals (TCP/IP, VPN, LAN/WAN).
• Familiarity with security practices, including system hardening, endpoint protection, and auditing.
• Exposure to cloud services (Azure, Microsoft 365) is a plus.
• Strong troubleshooting and analytical skills.
• Excellent documentation and reporting abilities.
• Effective communication skills to collaborate across IT and business teams.
• Ability to train and support staff on system usage and new technologies.