Systems Administrator (TS/SCI)

Summit 7 Systems•Warrenton, VA

1d•Onsite

About The Position

Summit 7 is seeking a Systems Administrator to join its Cleared IT Support Team. The role supports the operation of multiple-user computer networks, including WANs and standalone networks, in collaboration with network engineers, ISSOs, ISSMs, and other IT specialists. Work includes system resource monitoring, security administration, account management, documentation, performance optimization, software installation, updates and patches, vulnerability remediation, and ongoing systems operations and maintenance. The administrator may assist users remotely or onsite, oversee installations and backup recovery, develop policies for efficient use of computing resources, and mentor less-experienced staff. Local travel between customer locations in Northern Virginia is expected. The position focuses on Windows and Active Directory services, Windows infrastructure, virtualization, security scanning and remediation, Exchange, and endpoint and server support. The administrator is expected to address escalated requests promptly, communicate effectively with users and teammates, record time and expenses, and maintain and expand technical knowledge through continuing education and industry certifications. Work is typically performed in an office environment and involves extended periods at a computer, with occasional movement around the office and positioning to maintain computers.

Requirements

Associate or bachelor's degree in computer science or a related field, or at least three years of IT or related experience.
Top Secret/SCI clearance with CI Polygraph.
CompTIA Security+ certification.
Experience administering office applications.
Experience administering Active Directory.
Experience administering Windows 10/11.
Excellent customer service skills.
Ability to work independently and a strong desire for personal and professional development.
Ability to identify and evaluate trends in industry best practices and policies.
Hands-on experience with network troubleshooting, DNS failures, domain administration, pings, network connectivity status, and backup management.
Strong troubleshooting abilities and the ability to manage multiple projects independently and collaboratively.
Ability to interpret and discuss information and recommend actions involving complex issues.
Ability to communicate effectively and work as part of a team.

Nice To Haves

Special preference for systems administrator support.
Experience with Active Directory and Group Policy.
Experience with VMware.
Experience with Microsoft Exchange.
Experience with Windows Update Services (WSUS).
Experience with Host-Based Security Services (HBSS).
Experience with Assured Compliance Assessment Solution (ACAS).
Experience with Linux, including Red Hat or other distributions.
Experience with storage technologies.
Experience with LAN/WAN and switching technologies.
Experience with PowerShell scripting and automation.
Experience working with Intelligence Community-accredited systems.
Experience working with DCSA/DoD-accredited systems.

Responsibilities

Oversee the Windows and Active Directory Services infrastructure.
Manage DNS, DHCP, and other Windows services.
Configure and troubleshoot group policies.
Maintain and optimize VMware or Hyper-V virtualization environments.
Manage Windows Update Services (WSUS).
Oversee the Assured Compliance Assessment Solution (ACAS) scanning infrastructure and conduct scans and remediations.
Set up and maintain the local Host-Based Security System (HBSS) service.
Manage the Microsoft Exchange Server services infrastructure.
Install and troubleshoot workstations, servers, network devices, and printers according to requirements.
Ensure compliance with information systems IAVM/STIG with assistance from ISSOs.
Install and configure Commercial Off-The-Shelf (COTS) and Government Off-The-Shelf (GOTS) software.
Administer user accounts, maintain system documentation, monitor system resources, optimize performance, manage updates and patches, address vulnerabilities, and perform ongoing systems operations and maintenance.
Assist users remotely or onsite with system troubleshooting.
Oversee installations, manage backup recovery processes, and develop policies for efficient use of computing resources.
Travel locally between multiple customer locations in Northern Virginia.
Respond quickly to escalated requests and work collaboratively while communicating effectively.
Enter time and expenses as they occur.
Continue developing technical knowledge and credibility through industry-standard certifications.
Interpret and discuss information with others and recommend actions on complex issues.
Maintain a professional attitude with clients and team members and enhance relationships.
Mentor less-experienced staff as needed and perform other duties as assigned.