Windows Systems Administrator - McLean, VA - TS/SCI
PGTEK•McLean, VA
•Hybrid
About The Position
We are seeking a highly skilled Senior System Administrator to join a dynamic infrastructure team supporting next-generation technologies, including initiatives in the Artificial Intelligence (AI) space. This role is ideal for a hands-on technical expert who thrives in complex environments and is passionate about building, maintaining, and optimizing enterprise systems.
Requirements
- MUST have a current and active TS/SCI clearance with CI Poly
- 8+ years of experience as a Windows System Administrator or similar role
- Deep expertise in Windows Server and Desktop operating systems
- Strong experience with enterprise infrastructure design and support
- Hands-on experience with Active Directory, Group Policy, DNS, and patch management
- Proven ability to troubleshoot and resolve complex technical issues
- Excellent communication and interpersonal skills
- IAM Level II certification (DoD 8570 IAT compliant)
Nice To Haves
- Experience with Linux (server or workstation environments)
- Scripting and automation skills (PowerShell, Python, Bash)
- Microsoft certifications (MCSA, MCSE) or equivalent
- Experience with virtualization technologies (VMware, Hyper-V, KVM)
- Knowledge of backup and disaster recovery strategies
- Familiarity with security best practices (firewalls, antivirus, etc.)
- SQL Server administration experience
- Experience with ITSM platforms such as ServiceNow
Responsibilities
- Design, implement, and maintain Windows-based systems, networks, and applications
- Architect and support enterprise-level Windows infrastructure
- Administer and manage: Active Directory, Group Policy, DNS, File servers, Exchange / enterprise email systems
- Manage patching, updates, and system performance optimization
- Monitor systems, troubleshoot issues, and ensure high availability
- Support system deployments using tools such as SCCM or MDT
- Develop and maintain technical documentation and standard operating procedures
- Provide Tier II/III technical support via phone, email, and in-person
- Collaborate with cross-functional IT teams to integrate new technologies
- Travel up to 20% for on-site support, installations, and maintenance
Benefits
- Comprehensive PPO medical coverage with access to a Health Savings Account (HSA) option
- Vision plan
- Dental insurance with the base dental plan option paid for by PGTEK
- Life Insurance
- Short and Long-Term disability
- Critical Illness insurance
- Matching 401(k) plan
- Discount on pet insurance through ASPCA Pet Insurance
- Employee Assistance Program
- Generous amount of PTO and Holidays
- Education Assistance Program is available after 12 months of employment
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
Number of Employees
11-50 employees
