> Markdown version of [/jobs/ext/1955368-sr-windows-system-administrator](https://www.wearedevelopers.com/jobs/ext/1955368-sr-windows-system-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Windows System Administrator - **Company:** Ready Support Services - **Location:** McLean, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Artificial Intelligence, Antivirus Softwares, Bash Shell, System Configuration, Data Centers, Linux, Distributed Systems, Domain Name System (DNS), Microsoft Exchange Server, File Server, Monitoring of Systems, Hyper-V, Python (Programming Language), Kernel-Based Virtual Machine, System Center Configuration Manager, Windows Servers, Windows PowerShell, Server Administration, Virtualization Technology, Software Troubleshooting, Firewalls (Computer Science), Deployment Automation, Servicenow, Vmware - **Published:** August 6, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9077274/sr-windows-system-administrator ## About the Role 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., · 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, 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) ## Description 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., · 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. ## Related Videos - [Hacking MSSQL on Cloud. All of them. 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