Systems Administrator: Cloud, Security & MSP Support

Thrive; Town of Mansfield (NY); Remote; USD 70,000 - 110,000; Full time

Job summary

Thrive is seeking a System Administrator to provide remote support across diverse, multi-tenant environments, handling escalated incidents, complex service requests, and documenting actions. The role involves advanced troubleshooting, implementing changes, coordinating with other teams, and serving as an escalation point for engineers while maintaining clear client communication.

Ideal candidates have 3–5 years in IT support/operations, with deep experience in Windows Server, AD, Azure,

Qualifications

• 3–5 years in IT support/operations, including MSP or multi-tenant experience.
• Deep experience with Windows Server, Active Directory, Azure AD/Entra, Exchange/M365 admin, Intune, and SharePoint.
• Competent in networking (L2/3, VLANs, DHCP/DNS, NAT, site-to-site VPNs).
• Experience with endpoint security (EDR/AV), backup/DR, patch management.
• Proficient with PowerShell scripting and automation.
• Strong incident management, change control, and documentation.
• Excellent written and verbal communication, documentation, and time-management skills.
• Ability to work independently and collaboratively in a team environment.
• Availability to work after hours or on-call rotations as required.
• Excellent customer service skills

Responsibilities

• Communicate with customers via phone, email, and chat in a timely, courteous, empathetic, and professional manner.
• Perform secondary response and advanced troubleshooting of escalated customer issues and document actions.
• Analyze unfamiliar client server, workstation, and network environments to determine fastest path to resolution.
• Support and troubleshoot diverse computing environments across various clients.
• Perform rapid root-cause analysis of workstation, server, and network incidents.
• Troubleshoot and resolve high-level incidents following SOPs and best practices.
• Use vendor tools to achieve timely resolution of incidents.
• Set and manage client expectations with clear updates and next steps.
• Communicate troubleshooting actions in technical or non-technical terms as needed
• Provide guidance on Thrive best practices and infrastructure standards.
• Develop, document, and implement client standards; identify improvement opportunities.
• Identify recurring issues and contribute to permanent resolutions via problem management.
• Review environments for security best practices and participate in change management.
• Monitor escalated service tasks and ensure proper prioritization and escalation.
• Provide escalated support, mentoring, and leadership to engineers.

Skills

Windows Server

Active Directory

Azure AD/Entra

Exchange/M365 admin

Intune

SharePoint

PowerShell scripting

Networking

EDR/AV

Patch management

Job description

Thrive is seeking a System Administrator to provide remote support across diverse, multi-tenant environments, handling escalated incidents, complex service requests, and documenting actions. The role involves advanced troubleshooting, implementing changes, coordinating with other teams, and serving as an escalation point for engineers while maintaining clear client communication.

Ideal candidates have 3–5 years in IT support/operations, with deep experience in Windows Server, AD, Azure,