System Administrator Junior - TS/SCI

TS/SCI clearance required. Hybrid schedule: 3 days a week onsite in Arlington, VA.

About the role

The System Administrator Junior supports the daily administration, maintenance, security, and availability of mission-critical IT infrastructure in a highly regulated government environment, with a focus on user account management and core server operations.

Responsibilities

• Administer user accounts, group memberships, permissions, and role-based access controls in alignment with approved security and operational policies.
• Perform routine installation, configuration, patching, and health monitoring of Windows and/or Linux servers and associated infrastructure components.
• Monitor event logs, performance metrics, storage utilization, system services, and alerts to identify operational or security issues and escalate per established procedures.
• Execute documented backup, restoration, and recovery procedures, verifying that scheduled backup jobs complete successfully and resolving exceptions.
• Troubleshoot common server, operating system, application, hardware, connectivity, and authentication problems using standard diagnostic methods and tools.
• Develop and maintain basic PowerShell, Bash, or comparable scripts to automate account management, reporting, system health checks, and other repeatable tasks.
• Maintain configuration records, operating procedures, troubleshooting guides, asset inventories, and change documentation to support audit and operational needs.
• Apply system-hardening standards, vulnerability remediation instructions, least-privilege principles, and approved configuration baselines across supported systems.

Requirements

• Bachelor’s degree in Information Technology, Computer Science, or related field, or equivalent relevant experience consistent with entry-level IT administrator roles.
• 0-3 years of hands-on experience in information technology, systems administration, infrastructure support, or closely related technical roles, with at least 1-3 years preferred for this environment.
• Strong knowledge of Microsoft operating systems and products (e.g., Windows, Windows Server, Microsoft 365, Teams, SharePoint) and basic familiarity with Linux administration.
• Demonstrated ability to analyze, troubleshoot, and resolve routine system hardware, software, or networking problems and follow escalation protocols for complex issues.
• Ability to plan and coordinate deployment of updates or new technology in accordance with change management procedures and maintenance windows.
• Current TS/SCI clearance.
• DoD 8140 compliant certification for IAT-II such as Security+.
• Able to work 3 days a week onsite in Arlington, VA.

Preferred Qualifications

• Microsoft Windows Server, Azure, Linux, or comparable platform certification.
• Experience with cloud infrastructure, digital workspace, and storage technologies in an enterprise or federal IT environment.
• Familiarity with system hardening, vulnerability remediation, and least-privilege access control practices.

Pay

$75,000–$90,000