Systems Administrator (TS/SCI clearance)

Company: ALTA IT Services
Location: Triangle
Posted on: June 24, 2025

Job Description:

Systems Administrator Quantico, VA - 100% onsite TS/SCI clearance is required Major Duties & Responsibilities: • Plan, install, and maintain computer systems, including physical and virtual servers, storage area networks and network attached storage on five enclaves. • Install, maintain, and troubleshoot server hardware. • Troubleshoot Domain Controllers. • Perform performance monitoring and tuning, upgrades and patching, backup and recovery, as well as troubleshooting and problem resolution. • Develop and maintain schedules and plans for system updates and patching. • Create accounts and groups in Active Directory and create and modify Group Policy Objects. • Report on system uptime and SLA performance. • Audit server utilization. • Assist in building, coordinating, maintaining, changing, and updating, the Risk Management Framework (RMF) Assessment and Authorization (A&A) packages for the five enclaves administered by AFOSI. • Ensure that all application deliverables and systems comply with applicable DISA STIGs or Security Requirements Guidance. • Identify and report system risks. Qualifications: • 3 years experience in systems administration in a Windows based environment. • Bachelor’s degree in a related field desired. • Must be certified at IAT Level II (e.g., Security, or other certification satisfying DoD 8570 certification requirements). Microsoft certification a plus. • Strong knowledge of Microsoft Windows technologies, including Active Directory, Windows Administration, scripting, and Windows configuration techniques. • Experience with Windows Server 2016, 2019, and 2022; MS SQL Server 2016 and 2019; and VMWare ESXi, vCenter, and vSAN, and Horizon. • Experience administering servers in a virtualized production environment using VMWare vSphere 7.x or 8.x technology. • Experience with PowerShell for command line and scripting to include scripting for account management, patch deployment, software inventory, service control, and/or object attribute modification. • Experience installing, configuring, and maintaining servers with Microsoft Windows. • Experience with rack mounted or blade server hardware. • Experience with Active Directory to include creating accounts and groups and navigating a domain tree • Experience creating and modifying Group Policy Objects. • Experience managing and troubleshooting DNS functions. • Knowledge of DHCP server functionality. • Experience troubleshooting Domain Controllers and familiarity with replication issues. • Experience with a trouble ticket system such as Remedy or ServiceNow. • Experience with security as it pertains to server infrastructure, desktops, laptops, servers, firewalls, routers, and intrusion detection systems (IDS). • Experience with a backup solution, hands-on experience with backup and restore procedures, and disaster recovery planning. • Must have experience with RMF and applying STIGs. • Working knowledge of IT Systems Maintenance Compliance processes to include information assurance vulnerability management (IAVM). • Experience creating, reviewing, and revising security documentation and artifacts. • Strong understanding of network fundamentals to include TCP/IP and sub-nets desired. • Experience with Storage Area Networks desired. • Experience with DoD IT environment and networks. • Excellent communication skills, both oral and written, analytical skills to troubleshoot issues, and an ability to conceptualize server infrastructures and configurations. • Must be a US citizen and hold a current Top Secret clearance with SCI access (TS/SCI). M2 Ref: 850-Rockville (ALTA IT)

Keywords: ALTA IT Services, Leesburg , Systems Administrator (TS/SCI clearance), IT / Software / Systems , Triangle, Virginia