Senior Windows Administrator Jobs in Arlington, VA

Optimize system performance and security for critical applications, ensuring seamless operation and support for diverse environments. Collaborate with teams to enhance network reliability and implemen...

Optimize cloud system operations by managing deployment, troubleshooting, and maintenance. Collaborate with teams to enhance system reliability and performance while ensuring compliance with security...

Transform mission-critical infrastructures by ensuring reliability, security, and scalability across cloud and bare-metal systems. Collaborate with teams to enhance national security initiatives lever...

Develop and maintain robust IT infrastructure by managing Windows servers and desktops. Leverage your expertise to optimize performance and security while implementing best practices for scalable remo...

Transform financial operations by leveraging Workday expertise to enhance reporting, payroll, and planning processes. Collaborate with cross-functional teams to deliver scalable solutions and drive co...

Join a team that's driving innovation in systems engineering for national security. Manage Agile processes, collaborate with cross-functional teams, and enhance system performance through technical ex...

Transform the future of intelligence by leading software development efforts, ensuring high-quality solutions through Agile methodologies, and collaborating with cross-functional teams to enhance the...

Optimize and support a new Jira and Confluence environment, ensuring seamless integration and collaboration across multiple U.S. Coalition Mission Partner Environments while driving process improvemen...

Shape the future of operations analytics by partnering with leadership to drive data-driven decisions, enhance performance, and optimize financial outcomes in a dynamic manufacturing environment...

Lead the charge in developing advanced Power Platform solutions to optimize processes, enhance knowledge management, and drive organizational efficiency. Collaborate with stakeholders to implement sca...

Elevate your career by providing advanced technical solutions and strategic support in a dynamic environment. Leverage your expertise in Microsoft Power Platform and related technologies to drive proc...

Join a team that's dedicated to optimizing systems and user support. As a Systems Administrator, you'll manage Linux and Windows environments, ensuring compliance and performance while collaborating i...

Support the wireless team by conducting site surveys, designing systems, and testing implementations. Analyze RF data, troubleshoot issues, and ensure optimal coverage solutions tailored to customer n...

Innovate your career by managing and enhancing complex computer network systems. This role involves supporting daily operations, ensuring network security, and training staff while collaborating with...

The Network Engineer III is responsible for developing and deploying network systems that meet organizational performance, security, and compliance requirements. This role involves troubleshooting net...

Join a dynamic team as a Program Manager, leading strategic IT initiatives across 140+ global sites. Drive financial planning, enhance cross-team coordination, and optimize performance to deliver user...

Drive the support and maintenance of IT systems, ensuring optimal performance and user assistance. Manage daily operations, troubleshoot issues, and enhance system reliability across various platforms...

Manage and optimize IT systems, providing Tier 1 and Tier 2 support. Collaborate on troubleshooting, maintenance, and configuration of diverse operating systems and devices, ensuring seamless operatio...

Join a team that's dedicated to enhancing Linux systems in a dynamic RDT&E environment. Leverage your expertise in system administration, collaborate on server management, and drive improvements in pe...

Take ownership of enterprise Linux and Windows infrastructure, optimizing performance across multiple datacenters. Collaborate with cybersecurity and engineering teams while providing Tier III support...

Join a dynamic team as you optimize enterprise Linux & Windows infrastructure, ensuring peak performance and reliability. Collaborate with cybersecurity and engineering teams while providing critical...

Shape the future of enterprise infrastructure by leading design, implementation, and optimization of systems. Drive automation, enhance security, and mentor junior staff while collaborating on strateg...

Champion innovation by leading Windows systems administration, ensuring optimal performance and security across physical and virtual environments. Leverage 15+ years of expertise to support mission-cr...

Optimize our internal IT systems and security posture while managing user access, supporting AWS operations, and ensuring compliance. Collaborate with the COO to enhance efficiency and maintain a secu...

Lead the charge in enhancing security protocols and user access management. Collaborate with diverse teams to ensure compliance with federal regulations while providing exceptional customer support in...