Senior Systems Administrator - Cloud & Security Ops

Thrive; Central Luzon; On-site; PHP 420,000 - 660,000; Full time

Job summary

Thrive is seeking System Administrators to provide remote support across multi-tenant environments, handling escalated incidents and complex service requests. You will perform advanced troubleshooting, implement changes, coordinate with other teams, and serve as an escalation point while maintaining clear client communication.

Ideal candidates have 3–5 years IT support experience with Windows Server, AD/Azure AD, Exchange/M365, Intune, and security tooling, plus strong networking and PowerShell

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 (Layer 2/3, 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 participate in 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, providing clear updates and case status throughout the resolution process.
• Perform secondary response and advanced troubleshooting of escalated customer issues, addressing single-user and system-impacting incidents while accurately documenting all actions in Thrive's tools.
• Analyze and document unfamiliar client server, workstation, and network environments to determine the fastest and most effective path to incident resolution.
• Support and troubleshoot diverse computing environments across a wide range of business clients.
• Perform rapid root-cause analysis of workstation-, server-, and network-level incidents, including complex and escalated issues.
• Troubleshoot and resolve high-level workstation, server, and network incidents independently, following Thrive's standard operating procedures and best practices.
• Utilize appropriate software utilities and vendor- or application-specific tools to achieve timely resolution of customer incidents.
• Set and manage client expectations throughout the troubleshooting process, providing appropriate updates, next steps, and demonstrating the correct level of urgency.
• Communicate troubleshooting actions and resolutions clearly, using technical or non-technical language appropriate to the audience.
• Provide guidance to clients on applications, Thrive best practices, and general infrastructure standards.
• Develop, document, and help implement client standards based on Thrive best practices; evaluate client environments and identify opportunities for improvement.
• Identify recurring issues and contribute to permanent resolutions through problem management and continuous improvement initiatives.
• Review client environments for security best practices, proactively identifying risks and participating in change management activities.
• Monitor and manage escalated service tasks, ensuring proper prioritization, documentation, and escalation.
• Provide escalated support, mentoring, and technical leadership to other engineers, collaborating with team leadership to improve service delivery.

Skills

Windows Server

Active Directory

Azure AD/Entra

Exchange/M365 admin

Intune

SharePoint

Networking (L2/L3, VLANs, DHCP/DNS, N

EDR/AV

Backup/DR

PowerShell scripting

Incident management

Documentation

Communication

Time management

On-call support

Customer service

Job description

Thrive is seeking System Administrators to provide remote support across multi-tenant environments, handling escalated incidents and complex service requests. You will perform advanced troubleshooting, implement changes, coordinate with other teams, and serve as an escalation point while maintaining clear client communication.

Ideal candidates have 3–5 years IT support experience with Windows Server, AD/Azure AD, Exchange/M365, Intune, and security tooling, plus strong networking and PowerShell