System Administrator - Top Secret Clearance | Charleston, SC

System Administrator – Top Secret Clearance | Charleston, SC

Cambridge International Systems, Inc.

Join a dynamic global team united by shared values : commitment, integrity, and perseverance. At Cambridge, you'll work alongside top talent worldwide, tackling some of today's most complex and critical challenges in defense and security.

We are currently seeking a System Administrator to support operations in Charleston. This is a full-time, CONUS position requiring an active DoD Top Secret clearance.

This position may be subject to the Service Contract Labor Standards Act (SCLS) / Service Contract Act (SCA).

What You'll Do

• Install and maintain IT systems, including hardware, software, network accounts, operating system upgrades, and local web interfaces. Ensure proper documentation of system configurations and support local system design initiatives.
• Administer and support cybersecurity tools, including the configuration, maintenance, and troubleshooting of firewalls, antivirus software, intrusion detection / prevention systems (IDS / IPS), and other security technologies to protect network integrity.
• Provide user support and training, assisting staff with IT-related issues, software usage, and system navigation. Deliver technical instruction tailored to user roles and responsibilities to improve productivity and system understanding.
• Perform Windows operating system support, including installation, configuration, patching, and troubleshooting of both desktop and server environments to maintain system stability and security.
• Utilize Active Directory for account management, including user login assistance, password resets, group membership changes, and general administration of user accounts and permissions.
• Support basic networking functions, with a working knowledge of IP addressing, DNS, and how network-related issues affect virtual desktop infrastructure (VDI) and user connectivity.
• Troubleshoot technical issues using diagnostic tools such as log files, event history, and version tracking systems to identify root causes and apply effective resolutions.
• Manage software patching and updates, applying security patches and performance fixes to reduce vulnerabilities and ensure systems remain compliant with organizational and security policies.
• Oversee end-user device management, including configuration, deployment, and support of workstations, laptops, mobile devices, and peripheral hardware to ensure seamless user operations.

What You'll Bring

Travel & Passport

Work Environment

Background & Security

Benefits & Perks

About Cambridge International Systems

At Cambridge, innovation grows through diversity. We are proud to be an equal opportunity employer, committed to creating an inclusive and supportive work environment for all. Learn more at www.cbridgeinc.com.

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