Windows Systems Administrator
$100k - $140kFull-time
MANTECH
Salary: $100,000 - 140,000 per year Requirements:
- High school diploma plus at least 7 years of relevant Windows systems experience
- Experience supporting complex system architectures and interconnected data environments
- Practical knowledge of Active Directory, LDAP, and Centrify for domain administration
- Proven ability to apply security patches in enterprise environments
- Scripting experience with PowerShell, VB, or comparable tools
- Experience managing Windows Server 2008, 2012, and 2016 environments
- Familiarity with Microsoft System Center Operations Manager (SCOM) and Access Control Service (ACS)
- Experience with Microsoft Exchange, Outlook, and antivirus platforms such as Symantec and McAfee
- Familiarity with LAN, SAN, TCP/IP, and Cisco network configurations
- MCSE or MCITP certification preferred
- VMware 5+ experience and VCP certification preferred
- Active/current TS/SCI clearance with Polygraph is required
- Ability to occasionally move around the office and use hands to operate computers and office equipment
- Support and enhance our Windows infrastructure as part of a collaborative systems team
- Investigate and resolve operating system issues in line with organizational standards
- Troubleshoot platform problems and work closely with application development and networking teams
- Build and secure Windows servers while establishing and maintaining configuration baselines
- Plan, test, install, integrate, and maintain operating systems and updates
- Apply security and firmware patches promptly and contribute to patch management processes
- Test and integrate new hardware and software components
- Manage the full lifecycle of operating systems
- Design interfaces to external systems and maintain detailed documentation for configurations and procedures
- Active Directory
- Big Data
- Cisco
- Firmware
- Hardware
- Support
- LAN
- LDAP
- Network
- PowerShell
- Security
- TCP/IP
- VMware
- Windows
- Embedded
More:
We are MANTECH and we are seeking a skilled Windows Systems Administrator to join our Information Technology and Analytic team in Chantilly, VA. This role supports our Sponsors Windows environment and contributes to national security in a fast-paced Big Data setting where collaboration, innovation, and professional growth are encouraged.
last updated 33 week of 2026
Vacancy posted 17 days ago
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