SENIOR WINDOWS SYSTEMS ADMINISTRATOR (CI POLYGRAPH REQUIRED)

NorthHill Technology Resources has an urgent need for a Senior Windows Systems Administrator to support a Federal Program in Chantilly, VA. This is a direct-hire role with our client, a highly respected player in the Intelligence Community. Due to the nature of the work, an active TS/SCI Clearance and CI Polygraph is required. Sr Windows System Administrator If you enjoy working with new technologies, enterprise-leading equipment, and have a passion for building and maintaining infrastructures, we would like to speak to you. This position will play a key role in supporting engineers responsible for leveraging next-generation infrastructure to drive innovation in the Artificial Intelligence (AI) field. We are seeking an experienced and skilled Senior Windows System Administrator to join our IT team. As a key member of our infrastructure support team, you will be responsible for designing, implementing, and maintaining our Windows-based systems, networks, and applications. This is a great opportunity for a motivated and detail-oriented individual who is passionate about delivering exceptional technical support. Key Job Responsibilities · 8+ years of experience as a Windows System Administrator or similar role · Must be able to architect and support Windows infrastructure · In-depth knowledge of Windows Server / Desktop Operating Systems · Strong understanding and hands-on experience with: o Active Directory o Group Policy o DNS o Patching and update management o File Server administration o Exchange Server / Enterprise Email Systems · Experience with Windows deployment tools such as SCCM or MDT · Familiarity with backup and disaster recovery procedures · Excellent problem solving skills and ability to troubleshoot complex technical issues · Strong communication and interpersonal skills · Design, implement, and maintain Windows-based systems, networks, and applications · Provide technical support and assistance to users via phone, email, and in-person · Monitor system performance, identify and resolve issues, and optimize system resources · Develop and maintain documentation for system administration tasks and procedures · Collaborate with other IT teams to ensure seamless integration of new technologies and systems · Stay up-to-date with the latest Windows OS updates, security patches, and best practices · Travel up to 20% of the time, as required, to perform on-site installations, maintenance, and troubleshooting activities at customer sites or data centers.  Core Competencies – Leadership Problem-Solving: Excellent analytical and problem-solving skills to diagnose and resolve complex technical issues in distributed systems. Communication: Strong verbal and written communication skills to collaborate effectively with leads, security, and other stakeholders. Collaboration: Ability to work effectively in a team environment, mentor junior engineers, and lead technical initiatives. Mentorship: As a Senior role, the ability to guide and mentor junior engineers, share knowledge, and foster best practices. Proactive & Ownership: Proactive approach to identifying and addressing potential issues, with a strong sense of ownership over the platform. Beneficial Skills · Experience installing, configuring, and supporting the Linux operating system (Server / Workstation) · Knowledge of PowerShell / Python / Bash scripting and automation · Certification in Microsoft MCSA or MCSE and other industry certifications · Familiarity with security best practices (e.g. firewalls, antivirus software) · Experience with virtualization technologies (VMware, Hyper-V, KVM) · Proficiency in SQL Server administration · Experience with IT service management frameworks (e.g. ServiceNow)