Senior System Administrator

We are seeking an experienced and highly capable Senior System Administrator to serve as the primary IT Site Lead for our Reston, Virginia office. This role is responsible for the end-to-end management of onsite IT infrastructure, local and wide area networking, collaboration systems, and executive support, while acting as the single point of accountability for IT operations at the Reston site.

In this position, you will contribute across multiple areas of IT operations, providing comprehensive support in a dynamic and collaborative setting. This role offers meaningful opportunities to expand technical capabilities while directly supporting organizational objectives and service delivery.

Site Leadership & Ownership 

• Act as the IT Site Lead for the Reston office, owning all local IT operations and end-user experience. 

• Serve as the primary escalation point for onsite IT issues, vendors, and critical incidents. 

• Partner with global IT teams to align local operations with enterprise standards and initiatives. 

• Provide white-glove IT support to executives and senior stakeholders. 

• Build strong relationships with business leaders, facilities, security, and vendors. 

Network & Infrastructure Management 

• Manage and support LAN, WAN, and Wi-Fi infrastructure with a focus on availability and security. 

• Troubleshoot network issues involving switches, access points, and WAN links. 

• Monitor onsite infrastructure and connectivity and proactively address risks. 

• Coordinate upgrades and incident response with network and security teams. 

Collaboration & Video Conferencing Systems 

• Own video conferencing and collaboration platforms including Microsoft Teams Rooms. 

• Ensure reliable operation of conference rooms and hybrid meeting solutions. 

• Coordinate AV installations, upgrades, and support with vendors and facilities. 

Endpoint, Identity & Workplace Technologies 

• Administer Microsoft Intune and Endpoint Manage