Senior Windows System Administrator

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+.
• Minimum10 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.

Technical Skills

• Windows Server Administration (2012/2016/2019/2022)

• Active Directory, Group Policy, DNS, DHCP, File & Print Services

• Virtualization Technologies (VMware, Hyper-V)

• Backup & Recovery Solutions (Symantec NetBackup, Veeam)

• Storage Systems (SAN, NAS, iSCSI)

• PowerShell Scripting & Automation

• System Monitoring, Performance Tuning & Patch Management

• Networking Fundamentals (TCP/IP, VPN, LAN/WAN)

• Security & Compliance (system hardening, endpoint protection, auditing)

• Cloud Platforms (Microsoft Azure, Microsoft 365)

• IT Infrastructure Design & Implementation

• Disaster Recovery & Business Continuity Planning

Professional Skills

• Troubleshooting & Problem-Solving

• Analytical Thinking & Root Cause Analysis

• Technical Documentation & Reporting

• Training & User Support

• Collaboration with Cross-Functional Teams

• Communication & Stakeholder Engagement

• Project & Time Management