Windows Systems Administrator - TS/SCI with CI Poly

PGTEK • McLean, VA

3d • $130 - $160 • Onsite

About The Position

We are seeking an experienced and skilled Windows Systems Administrator to join our IT infrastructure team supporting a mission-critical federal environment. In this role, you will be responsible for the design, implementation, maintenance, and support of Windows-based systems, networks, and applications. This is an excellent opportunity for a detail-oriented professional who is passionate about system reliability, security, and delivering high-quality technical support in a classified environment.

Requirements

• Minimum of 3+ years of experience as a Windows Systems Administrator or in a similar role
• Strong knowledge of Windows Server and Windows Desktop operating systems
• Hands-on experience with Active Directory, Group Policy, and DNS
• Experience with Windows deployment and configuration tools (SCCM, MDT)
• Understanding of backup and disaster recovery concepts and procedures
• Strong troubleshooting and problem-solving skills
• Excellent verbal and written communication skills
• Ability to work independently and as part of a team in a secure, fast-paced environment
• Active TS/SCI clearance with CI Polygraph (must be a current active clearance)

Nice To Haves

• Experience installing, configuring, and supporting Linux (Server and/or Workstation)
• Scripting and automation experience with PowerShell, Python, and/or Bash
• Microsoft certifications such as MCSA, MCSE, or equivalent industry certifications
• Knowledge of security best practices, including firewalls, antivirus, and endpoint protection
• Experience with virtualization technologies (VMware, Hyper-V, KVM)
• SQL Server administration experience
• Familiarity with IT service management tools and frameworks (e.g., ServiceNow)

Responsibilities

• Design, implement, maintain, and support Windows-based server and desktop environments
• Administer and support Active Directory, Group Policy, DNS, and related core services
• Deploy and manage Windows systems using enterprise deployment tools (e.g., SCCM, MDT)
• Monitor system performance, troubleshoot issues, and optimize system resources
• Provide technical support to end users via phone, email, and in-person support
• Administer and support enterprise email systems, including Microsoft Exchange and Outlook
• Perform backup, recovery, and disaster recovery operations
• Develop, maintain, and update system administration documentation and procedures
• Collaborate with other IT teams to ensure successful integration of new technologies
• Apply operating system updates, security patches, and best practices
• Travel up to 20% as required for on-site installations, maintenance, and troubleshooting at customer sites or data centers

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, and Critical Illness insurance have premiums covered
• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 11-50 employees