Systems Engineer - White Plains

About the Role

We are seeking a smart, resourceful, and service-oriented Onsite Support Engineer to provide white-glove technical support for a high-profile client in White Plains, NY. As the primary onsite resource, you’ll deliver hands-on desktop, network, and infrastructure support while collaborating with Network Doctor’s remote teams to ensure seamless service delivery.

This role demands professionalism, adaptability, and confidence across a wide range of technologies. You don’t need to know everything—but you should know how to find solutions, ask the right questions, and leverage your team effectively.

You’ll be employed by Network Doctor, a leading Managed Services Provider (MSP) supporting hundreds of organizations nationwide, giving you access to a full team of experts so you’re never tackling complex challenges alone.

About Network Doctor

Network Doctor is a premium IT Managed Services Provider delivering technology support and strategic guidance to clients across industries such as finance, healthcare, real estate, and professional services. We pride ourselves on a culture that values teamwork, professionalism, curiosity, and growth. Our mission is to make IT an enabler — helping businesses work smarter, faster, and happier.

Key Responsibilities

• Serve as the onsite technical resource for a Real Estate Management client in White Plains, NY.
• Provide white-glove desktop, network, and infrastructure support for executives and staff.
• Troubleshoot and resolve issues related to Windows Server, Active Directory, Microsoft 365, networking, and desktop environments.
• Administer and maintain Microsoft 365, Exchange, SharePoint, and Entra ID, including user management, cloud integrations, and MFA configuration.
• Provide application support for financial software such as QuickBooks, Microsoft Dynamics GP, and Sage 300 ERP.
• Collaborate with Network Doctor’s remote teams for escalations, projects, and infrastructure initiatives.
• Assist with IT projects such as migrations, network design, and disaster recovery implementations.
• Maintain accurate ticketing, documentation, and asset inventory in ConnectWise.
• Ensure consistent compliance with IT best practices, standards, and security requirements.

Required:

• 3+ years of IT support or systems administration experience within a professional or MSP environment.
• Experience supporting C-Suite and executive clients in high-pressure environments.
• Expertise in Windows Server environments, Active Directory, Microsoft 365, and Office applications.
• Strong PowerShell knowledge for system administration and automation.
• Excellent communication, professionalism, and customer service orientation.
• Strong organizational skills and the ability to manage multiple tasks effectively.
• Experience supporting remote access tools, backups, and cloud infrastructure.

Preferred:

• MSP (Managed Services Provider) background.
• Experience with the ConnectWise suite for ticketing and remote management.
• Prior experience supporting high profile clients.
• Physical ability to lift and move equipment such as servers or computers.
• Proficiency with Excel file management and formulas.
• Experience with CRM tools or database applications such as ACT.

Helpful Technologies (not required)

• Endpoint management and security tools such as Intune, CrowdStrike, or SentinelOne.
• Azure Active Directory / Entra ID, conditional access, and MFA configuration.
• SharePoint Online and OneDrive administration.
• Networking equipment from Cisco, SonicWall, or UniFi.
• Audio/Visual conference systems (Zoom Rooms, Teams Rooms, Crestron, etc.).