Senior Windows Administrator Jobs in Reston, VA

Partner with us to enhance system reliability by administering Linux/Windows environments, performing updates, and providing technical support. Ensure secure configurations and manage system changes f...

Join a dynamic team to oversee identity and access management services, enhancing security and automating user access across platforms, ensuring compliance within a regulated banking environment...

Champion the delivery of innovative Linux solutions by configuring virtual environments, optimizing storage systems, and enhancing technical documentation while collaborating with leadership for impac...

Address key knowledge management needs by overseeing SharePoint governance, ensuring accurate document control, and enhancing executive visibility across strategic information for Army National Guard...

Deliver seamless system administration for Linux servers, ensuring robust security and compliance. This role involves configuring, monitoring, and upgrading network resources while supporting hardware...

Develop and implement innovative SharePoint applications and workflows, leveraging M365 Power Platform to enhance business processes, engage stakeholders, and deliver user-centric solutions that drive...

Drive operational efficiency by streamlining workflows and automating systems. Contribute to a centralized team optimizing enterprise applications to enhance productivity and reduce operational overhe...

Elevate your career as a Senior Business Analyst, driving strategic analysis for Veterans Affairs IT programs. Collaborate with stakeholders and ensure clarity in business requirements, while leading...

Lead the charge in testing and business analysis, ensuring high-quality delivery and user satisfaction through comprehensive testing, requirement refinement, and stakeholder collaboration within agile...

Empower the learning landscape by leading advanced development and management of educational systems, ensuring high-quality deployment and seamless operations across innovative online learning product...

Champion DevSecOps transformation by designing, implementing, and maintaining enterprise solutions that integrate security throughout the software development lifecycle, ensuring compliance and qualit...

Transform global enterprise networks by designing and developing innovative tools and systems. Collaborate with cross-functional teams to enhance user experience and ensure high-quality software solut...

Execute the daily configuration and operations of systems, encompassing comprehensive management in clinical technology to enhance performance and support users effectively in a fast-paced environment...

Unlock the potential of IT infrastructure and cybersecurity by ensuring robust support for nationwide operations, maintaining compliance, and optimizing system performance to enhance mission effective...

Explore innovative API security methods to enhance operational readiness across multiple classified environments, ensuring effective collaboration and integrity in the U.S. Department of War's groundb...

Elevate API security within critical defense initiatives. Validate controls for AI and ML APIs, ensuring operational readiness. Collaborate with diverse teams to enhance mission assurance and maintain...

Join a team that empowers global HR initiatives by enhancing Workday functionality and processes. You'll collaborate with stakeholders to create efficient solutions that drive performance in a thrivin...

Lead the charge in maintaining the security and performance of enterprise Windows systems. Collaborate with diverse teams to optimize operations, enhance disaster recovery, and drive continuous improv...

Drive ITSM platform efficiency by overseeing operations and maintenance tasks. Collaborate on system design and deployment while providing proactive support on ServiceNow for incident management and p...

Advance your career by providing support for IT systems implementation, troubleshooting, and maintenance. Manage daily operations of IT infrastructures while ensuring optimal performance and reliabili...

Execute network management strategies to enhance infrastructure performance, ensuring reliability and security. Collaborate cross-functionally and lead junior engineers to optimize networking solution...

Optimize multi-user systems operations by managing resources, security, and user interactions. Lead installations and provide technical recommendations to enhance performance and ensure efficient comp...

Innovate as a Senior .NET Software Engineer, crafting impactful SaaS solutions. Collaborate within a dynamic remote team to design and enhance multi-tenant applications, driving efficiency and excelle...

Drive the global networking strategy and operations, ensuring seamless connectivity and security across diverse environments. Engage in vendor management, financial oversight, and technical leadership...

Pioneer Zero Trust initiatives, optimizing cybersecurity frameworks, and lead the design and implementation of security architectures within diverse military environments to ensure the integrity and a...