Systems Administrator (TS/SCI)

Summit 7 Systems•Warrenton, VA

3d•$100 - $140•Onsite

About The Position

Summit 7 Systems is seeking a Systems Administrator to join its Cleared IT Support Team in Warrenton, Virginia. The role supports the seamless operation of multiple multi-user computer networks, including WANs and standalone networks, in collaboration with systems administrators, IT specialists, network engineers, ISSOs, and ISSMs. Responsibilities include administering user accounts, maintaining system documentation, optimizing system performance, installing software, managing updates and patches, addressing vulnerabilities, and performing ongoing systems operations and maintenance. The administrator may provide remote or onsite troubleshooting to users, oversee installations and backup recovery, develop policies for efficient use of computing resources, and mentor less experienced staff. Local travel between customer locations within Northern Virginia is expected. The role includes administration of Windows and Active Directory infrastructure, DNS, DHCP, Windows services, group policies, virtualization environments, WSUS, ACAS, HBSS, and Microsoft Exchange. The administrator installs and troubleshoots workstations, servers, network devices, and printers; helps ensure information systems comply with IAVM/STIG requirements; and installs and configures COTS and GOTS software. The position also involves responding promptly to escalated requests, communicating and working effectively with the team, entering time and expenses, continually developing technical knowledge and certifications, discussing complex issues and recommending actions, and maintaining professional relationships with clients and team members. The position requires a Top Secret/SCI clearance with CI Polygraph and CompTIA Security+ certification. Candidates must have an associate or bachelor's degree in computer science or a related field, or at least three years of IT or related experience. Work is typically performed in an office environment and involves extended periods in a stationary position, frequent computer and office-equipment use, occasional movement around the office, and occasional positioning under desks or in a server closet to maintain computers. The role frequently involves communication with employees and clients.

Requirements

Associate or bachelor's degree in computer science or a related field, or at least three years of IT or related experience; systems administrator support experience is specially preferred.
Top Secret/SCI clearance with CI Polygraph.
CompTIA Security+ certification.
Office applications administration experience.
Active Directory administration experience.
Windows 10/11 administration experience.
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, and network connectivity status.
Backup management experience.

Nice To Haves

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 various Windows services.
Configure and troubleshoot group policies.
Maintain and optimize VMware or Hyper-V virtualization environments.
Manage Windows Update Services (WSUS).
Oversee the ACAS scanning infrastructure and conduct necessary scans and remediations.
Set up and maintain the local HBSS service.
Manage Microsoft Exchange Server services infrastructure.
Install and troubleshoot workstations, servers, network devices, and printers based on specified requirements.
Help ensure information systems comply with IAVM/STIG requirements in coordination with ISSOs.
Install and configure COTS and GOTS software.
Administer user accounts, maintain system documentation, optimize performance, install software, manage updates and patches, address vulnerabilities, and perform ongoing systems operations and maintenance.
Troubleshoot user system issues remotely or onsite.
Oversee installations and manage backup recovery processes.
Develop policies for the efficient use of computing resources.
Mentor less experienced staff as needed.
Travel locally between multiple customer locations within Northern Virginia.
Respond promptly to escalated requests and communicate and work effectively with the team.
Enter time and expenses as they occur.
Continuously develop and refine technical knowledge and credibility through industry-standard certifications.
Interpret and discuss information and regularly provide or recommend actions involving complex issues.
Maintain a professional attitude with clients and team members and enhance relationships.
Perform other duties as assigned.