Senior IT Systems Administrator – Contract, Part Time

Role Overview

• Administer and support Windows Server and Windows 10/11 endpoint environments.
• Manage Active Directory, Azure Active Directory (Entra ID), Group Policy, DNS, DHCP, and identity lifecycle management.
• Maintain hybrid and cloud-based infrastructure hosted in Microsoft Azure.
• Perform system monitoring, patching, upgrades, and performance tuning across enterprise systems.
• Implement and maintain backup, disaster recovery, and business continuity solutions.
• Administer Microsoft 365 services including Exchange Online, Teams, SharePoint, and OneDrive.
• Manage Azure resources such as virtual machines, storage accounts, networking, and security policies.
• Support hybrid identity integrations including Azure AD Connect and conditional access.
• Assist with automation using PowerShell and Azure tools where applicable.
• Support Windows Endpoint Lifecycle including provisioning, hardening, and ongoing maintenance.
• Administer endpoint management solutions such as Microsoft Intune and/or Endpoint Manager.
• Enforce security and compliance policies across corporate and BYOD devices.
• Provide Tier 3 escalation support for complex endpoint issues.
• Configure and maintain Fortinet/FortiGate firewalls, VPN connectivity, and network security policies.
• Collaborate with security teams to implement MFA, endpoint protection, and identity-based controls.
• Monitor system logs, respond to incidents, and assist with remediation efforts.
• Ensure adherence to organizational security and compliance standards.
• Provide advanced troubleshooting and root-cause analysis for infrastructure issues.
• Create and maintain technical documentation, runbooks, and standard operating procedures.
• Partner with IT leadership on infrastructure planning, upgrades, and continuous improvement initiatives.
• Mentor junior administrators and provide technical guidance when needed.

Requirements

• 5+ years of experience in Systems Administration or Infrastructure Engineering roles.
• Strong expertise with: o Windows Server and Windows desktop environments o Active Directory and Azure AD (Entra ID) o Microsoft 365 administration o Microsoft Azure infrastructure
• Hands-on experience managing Windows endpoints in a BYOD environment.
• Experience configuring and supporting Fortinet/FortiGate firewalls.
• Advanced PowerShell scripting or automation experience.
• Solid understanding of networking fundamentals (VPN, DNS, routing, security policies).
• Excellent documentation, communication, and problem-solving skills.

Tech Stack

• Azure
• Cloud
• DNS
• Firewalls