Senior Windows System Administrator
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Key skills for this role
About the Role
The Group Securities seeks an experienced Windows System Administrator to ensure the stability, security, and performance of IT infrastructure. The role involves managing Windows servers, Active Directory, virtualization, and storage environments, while supporting users and maintaining business continuity.
Key Skills for This Role
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: Microsoft Certified: Windows Server Hybrid Administrator Associate, MCSE, VMware Certified Professional (VCP), CompTIA Server+ / Security+
- Minimum 10 years of proven experience as a Windows System Administrator or 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)
- 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
Full Job Posting
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 t
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: Microsoft Certified: Windows Server Hybrid Administrator Associate, MCSE, VMware Certified Professional (VCP), CompTIA Server+ / Security+.
- Minimum 10 years of proven experience as a Windows System Administrator or 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).
- 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.
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