Senior Windows Administrator Jobs in Reston, VA

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...

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...

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...

Elevate security standards by managing user accounts and access controls. Collaborate with diverse teams to ensure compliance with federal policies while providing exceptional customer support in a dy...

Lead strategic workforce planning initiatives to optimize human resource allocation, analyze workforce needs, and collaborate with stakeholders to enhance organizational performance and efficiency...

Transform your career by providing expert Linux system support across diverse environments. Leverage your security knowledge and extensive experience to enhance IT operations and ensure compliance in...

Engineer and optimize enterprise platforms for diverse environments, ensuring seamless deployment and support. Collaborate with clients to enhance cybersecurity, compliance, and observability solution...

Lead the charge in systems engineering for dynamic technology initiatives, managing full lifecycle activities while fostering cross-disciplinary collaboration. Drive continuous improvement as a scrum...

Unlock potential by leveraging your expertise in Linux systems and cloud environments. Collaborate with teams to ensure high availability and security of enterprise IT infrastructure while driving aut...

Lead the design and development of innovative automation solutions across multiple platforms, enhancing client experiences and operational efficiency while driving technical direction and agile practi...

Join us to drive innovative solutions in systems engineering for major acquisitions. Leverage your expertise in DoD and IC processes to ensure timely transitions and effective risk management while co...

Shape the future of defense systems by providing expert systems engineering services, driving acquisition strategies, and ensuring timely transitions to operational use while managing risks and costs...

Lead the charge in optimizing IT systems through troubleshooting, maintenance, and user support. Oversee daily operations, ensuring efficient configuration and problem resolution while enhancing syste...

Lead the charge in systems engineering support for advanced technology programs, driving mission performance improvements through analysis, risk management, and technical expertise in radar and electr...

Join a dynamic engineering team as a Senior Technical Advisor, providing strategic guidance on emerging technologies and systems integration while supporting Agile program execution and modernization...

Lead the development and modernization of software systems, enhancing legacy services and managing CI/CD pipelines in Azure. Collaborate across teams to integrate solutions in multi-agency environment...

Join a team that's driving innovation in software systems engineering. Leverage your expertise in RESTful services, CI/CD pipelines, and identity management to enhance legacy systems and collaborate a...

Lead the charge in developing and enhancing software systems, ensuring compliance with design specifications while improving user interfaces and experiences in a dynamic production environment...

Lead the charge in optimizing and maintaining Oracle databases across on-prem and cloud environments, ensuring peak performance, availability, and security while mentoring junior staff and managing cr...