Job Description

MetroSys is seeking a skilled Systems Administrator to support and manage infrastructure across a diverse client base. This role focuses on maintaining the reliability, security, and performance of enterprise systems while delivering high-quality support in a fast-paced, client-facing environment.

The ideal candidate is hands-on, detail-oriented, and comfortable working across multiple environments, with strong experience in Microsoft technologies, infrastructure operations, and troubleshooting.

Key Responsibilities

• Administer and support Windows Server environments, endpoints, and core infrastructure systems across multiple clients
• Manage Active Directory / Entra ID, DNS, DHCP, and Microsoft 365 services (Exchange, Teams, OneDrive, SharePoint)
• Monitor system performance and troubleshoot issues across servers, endpoints, and networks
• Apply patching, updates, and security configurations to maintain system integrity and compliance
• Support Azure environments and assist with Microsoft 365 configuration and optimization
• Assist with or lead infrastructure projects, including server deployments, upgrades, and M365 implementations
• Troubleshoot issues across LAN, wireless, voice, and endpoint devices
• Support deployment of new hardware, applications, and automation solutions
• Create and maintain technical documentation, including configurations, diagrams, and runbooks
• Collaborate with internal teams and clients to resolve issues and deliver solutions effectively
• Manage multiple priorities while maintaining strong communication with stakeholders
• Participate in on-call rotation and after-hours support as needed

Required Qualifications

• 3–6+ years of experience in systems administration or infrastructure support
• Strong experience with:
  • Windows Server environments
  • Microsoft 365 (Exchange, Teams, SharePoint, OneDrive)
  • Azure / Entra ID
• Solid understanding of networking fundamentals (LAN, DNS, DHCP, Wi-Fi)
• Strong troubleshooting skills across infrastructure and endpoint environments
• Experience working in client-facing or multi-environment roles
• Proficiency with PowerShell or other scripting tools is preferred
• Excellent communication, organization, and time management skills