System Administrator
Quantico, Virginia
Experience: 3
Education: BA
Category: Information Technology
Contractor Work Model: Onsite
Brand: ALTA IT Services
Compensation Range: 125000.00 Per Hour
Job ID: 343868
Date Posted: 12/03/2025
Shortcut: http://jobs.systemone.com/g9luFK
System Administrator
Quantico, VA - ONSITE
Compensation: $125,000 annually
Security Clearance: Active TS/SCI 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).
System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
#M2
#LI-VH1
#DI-VH1
Ref: #850-Rockville (ALTA IT)
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