Windows Server Administrator

Hammerjack Pty Ltd; Philippines; On-site; PHP 350,000 - 750,000; Full time

Job summary

Hammerjack Pty Ltd in Manila is seeking a Windows Administrator to install, configure, and maintain Windows Server environments and manage incident response. The role focuses on ensuring operational stability across on-premises infrastructure.

You will monitor performance, implement security hardening, handle patching and backups, manage Active Directory, DNS, and DHCP, and support virtualization with VMware or Hyper-V.

Qualifications

• 2–3 years of extensive Windows administration experience.
• Experience in incident management and troubleshooting.
• Strong knowledge of AD, DNS, and DHCP.

Responsibilities

• Install, configure, and maintain Windows Server environments (2012/2016/2019/2022).
• Handle incident management with timely response and resolution.
• Monitor server performance, capacity planning, and backups.
• Manage user accounts, permissions, and access controls.
• Configure virtualization platforms (VMware vSphere or Hyper-V).
• Perform patching, upgrades, and security hardening.
• Support IIS, WSUS, and Print Services.
• Maintain server documentation and SOPs.
• Collaborate with security, network, and application teams.
• Troubleshoot hardware, software, OS, and network issues.

Skills

Windows Server Administration

Active Directory

GPO

DNS

DHCP

PowerShell scripting

VMware vSphere

Hyper-V

Windows Clustering

Server Monitoring Tools

Tools

VMware vSphere

Hyper-V

Job description

ROC Manila – Windows Admin Support Responsibilities:

• Install, configure, and maintain Windows Server environments (2016/2019/2022).
• At least two (2-3) years of extensive experience on windows administration and incident management
• Manage File Services.
• Monitor server performance, availability, and capacity planning.
• Perform system patching, upgrades, and security hardening.
• Manage user accounts, permissions, and access controls.
• Troubleshoot hardware, software, operating system, and network-related issues.
• Configure and support virtualization platforms such as VMware or Hyper‑V.
• Implement and maintain backup and disaster recovery solutions.
• Monitor system logs and proactively resolve incidents.
• Support Microsoft services including IIS, WSUS, and Print Services.
• Maintain server documentation, standard operating procedures, and asset records.
• Collaborate with security, network, and application teams to ensure infrastructure stability.
• Infrastructure support, patching, troubleshooting, security management, and automation.

Technical Skills

• Windows Server Administration (2012/2016/2019/2022)
• Active Directory, GPO, DNS, DHCP
• PowerShell scripting
• VMware vSphere or Hyper‑V
• Windows Clustering and Failover Services
• Server Monitoring Tools

Competencies:

• Organized and have a methodical approach to work
• Proficient communication and interpersonal skills
• Global mindset