Systems Administrator (TS/SCI clearance)

Company: ALTA IT Services
Location: Quantico
Posted on: April 25, 2025

Job Description:

Systems Administrator

Maximise your chances of a successful application to this job by ensuring your CV and skills are a good match.
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, Washington DC , Systems Administrator (TS/SCI clearance), IT / Software / Systems , Quantico, DC