Systems Administrator with Security Clearance

VTG; Chantilly (VA); On-site; USD 120,000 - 190,000; Full time

Job summary

VTG is seeking a skilled Systems Administrator to manage and support enterprise IT infrastructure in Chantilly, VA. You will ensure reliability, security, and performance of servers, networks, and systems while supporting day-to-day operations and long-term IT initiatives.

Responsibilities include maintaining servers, patching, access control, backup and DR, and collaboration with network, security, and development teams. Strong scripting and virtualization experience are essential.

Qualifications

• Bachelor's degree or equivalent experience in IT fields.
• 5+ years of experience in systems administration or IT operations.
• Experience with Windows and Linux server environments.
• Knowledge of Active Directory, DNS, DHCP, and Group Policy.
• Familiar with virtualization (VMware, Hyper-V).

Responsibilities

• Install, configure, and maintain servers, operating systems, and enterprise apps.
• Monitor system performance, availability, and security across environments.
• Manage users, permissions, and access controls (AD, IAM).
• Apply patches, updates, and remediation for vulnerabilities.
• Troubleshoot hardware, software, and network issues.
• Support backup, DR, and business continuity processes.
• Maintain system documentation, configurations, SOPs.
• Collaborate with network engineers, security teams, and developers.
• Automate routine tasks using scripting languages (PowerShell, Bash, Python).
• Ensure compliance with security policies and regulations.

Skills

Scripting & automation

System administration

Education

Bachelor's degree in IT or related field

Tools

Active Directory

DNS

DHCP

Group Policy

VMware

Hyper-V

Log management

Monitoring tools

VPNs

Job description

Overview VTG is seeking a skilled Systems Administrator to manage, maintain, and support enterprise IT infrastructure. This role is responsible for ensuring the reliability, security, and performance of servers, networks, and systems while supporting day-to-day operations and long-term IT initiatives. What will you do?

• Install, configure, and maintain servers, operating systems, and enterprise applications
• Monitor system performance, availability, and security across environments
• Manage user accounts, permissions, and access controls (Active Directory, IAM)
• Perform system patching, updates, and vulnerability remediation
• Troubleshoot hardware, software, and network issues across infrastructure
• Support backup, disaster recovery, and business continuity processes
• Maintain system documentation, configurations, and standard operating procedures
• Collaborate with network engineers, security teams, and developers to support infrastructure needs
• Automate routine tasks using scripting (PowerShell, Bash, Python)
• Ensure systems comply with security policies and regulatory requirements Do you have what it takes?
• Active TS/SCI with Polygraph required.
• Bachelor's degree in Information Technology, Computer Science, or related field (or equivalent experience)
• 5+ years of experience in systems administration or IT operations
• Strong experience with Windows and/or Linux server environments
• Experience with Active Directory, DNS, DHCP, and Group Policy
• Familiarity with virtualization technologies (VMware, Hyper-V)
• Knowledge of networking fundamentals (TCP/IP, firewalls, VPNs)
• Experience with system monitoring tools and log management
• Proficiency in scripting or automation (PowerShell, Bash, Python)