Systems Administrator (Cybersecurity)

TL;DR

Systems Administrator (Cybersecurity): Providing high-quality IT customer service and technical support within a Microsoft Windows network environment with an accent on cybersecurity leadership and system authorization. Focus on maintaining the operational security posture as an ISSM, managing O365/Azure services, and ensuring infrastructure reliability for national security systems.

Location: Onsite in Falls Church, Virginia. Must be a US Citizen capable of receiving and maintaining a national security clearance.

Salary: $90,000 - $120,000 per year

Company

A mission-driven technology company focused on strengthening national security through advanced sensors, autonomous systems, and AI-enabled training.

What you will do

• Provide high-quality end-user support and troubleshooting for Windows devices and network hardware.
• Serve as the ISSM and primary cybersecurity leader for classified and unclassified information systems.
• Administer Microsoft Office 365 and Azure accounts and services.
• Perform network administration tasks for servers, routers, WiFi hardware, and firewalls.
• Manage backup and disaster recovery operations and maintain internal IT documentation.
• Manage hardware and software inventory and handle Help Desk functions.

Requirements

• Bachelor’s Degree in Computer Science, Cyber Security, IT, or equivalent experience.
• Minimum 4 years of experience in an IT role supporting software, hardware, network, and security.
• Must be a US Citizen with the ability to obtain and maintain a U.S. national security clearance.
• Expert experience with Office 365 (Outlook, Teams, SharePoint, OneDrive).
• Proficiency in Linux (Ubuntu GUI/CLI) and LAN networking (DNS, DHCP, VLANs, BGP).
• Must work onsite in Falls Church, VA (Monday-Thursday, Friday as needed).

Nice to have

• Security+ or Network+ certifications.
• Active Secret National Security Clearance.
• Active-duty military experience.

Culture & Benefits

• Comprehensive insurance: Medical, Dental, and Vision.
• Financial security: 401k matching and life insurance.
• Health savings: Optional HSA and FSA.
• Time off: Paid time off and company holidays.
• Support: Employee Assistance Program and disability insurance.