Senior Windows Administrator Jobs in Fairfax, VA

Champion Linux support for embedded systems, ensuring robust performance and reliability in critical environments through expert troubleshooting and configuration expertise...

Join us to empower our Cyber Mission Forces by ensuring reliable IT infrastructure. Support security, performance, and upgrades across systems while assisting a multi-disciplinary team in advanced cyb...

Optimize financial planning and program execution through collaboration and precision. This role requires a strategic mindset to manage resources, track funding, and support informed decision-making a...

Elevate solution architecture and technical strategy for large-scale Azure modernization, driving delivery excellence and mentoring teams while aligning solutions with client needs and standards throu...

Elevate cybersecurity initiatives by developing and managing infrastructure. Drive automation and process improvements in a collaborative environment, contributing to high-stakes R&D projects that enh...

Innovate and drive enterprise-level solutions in a dynamic cybersecurity team. Engage with complex systems and contribute to developing scalable architectures, ensuring robust documentation while ment...

Drive the management of complex systems across Windows, Linux, and Azure services, ensuring optimal performance and security while providing 7x24 on-call support in a collaborative team environment...

Empower your career by managing and optimizing SQL databases while ensuring high performance and security. Collaborate in a dynamic environment and support web applications with your expertise in SQL...

Join a team that's at the forefront of engineering innovative enterprise solutions. Lead development, ownership of coding, and modernization efforts across cloud and .NET environments, delivering secu...

Execute advanced business intelligence solutions, enhancing analytics and reporting through Power BI and Power Automate, while collaborating with cross-functional teams to ensure data integrity and in...

Contribute to testing and analysis for AN/SQQ-89 systems, ensuring robust functionality of combat control and fire control systems. Collaborate with teams to document issues and develop automated test...

Elevate your career as a Senior IT Analyst, fostering client relationships, assessing satisfaction, and applying IT auditing frameworks to enhance operational effectiveness within a collaborative team...

Support our dynamic R&D team by maintaining and enhancing the ServiceNow platform, ensuring security compliance while balancing system administration and software development. Drive operational effici...

Accelerate your career by providing vital Infrastructure Server and Sustainment services to enhance High Performance Computing capabilities, ensuring optimal system performance and resolving complex I...

Champion the secure and scalable automation of platform services, enhancing performance across on-prem and cloud systems. Collaborate closely with engineering teams to streamline CI/CD processes and e...

Innovate complex Windows endpoint management solutions and empower clients to integrate cutting-edge Microsoft technologies. Collaborate across teams to troubleshoot and enhance customer experiences...

Transform cloud environments by developing robust infrastructure-as-code and CI/CD pipelines. Collaborate in building secure, scalable, and optimized cloud systems while continuously enhancing DevOps...

Elevate the infrastructure by managing and enhancing Linux systems with expert integration, ensuring efficient, secure operation across diverse applications and environments. Join a collaborative team...

Accelerate your career by collaborating across teams to design and implement robust DevOps solutions, streamline build processes, and enhance system efficiencies while ensuring timely support for soft...

Innovate cloud-centric DevOps practices, enhancing CI/CD workflows and orchestration. Collaborate in a dynamic Agile environment to ensure optimal system reliability and automation across critical pro...

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

Join a team that's dedicated to building a resilient DevOps support organization, leading a diverse group of engineers, and enhancing operational standards for platform reliability across global engin...

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...

Support and optimize High Performance Computing (HPC) platforms, ensuring seamless integration between computational nodes, networks, storage, and security devices while maintaining infrastructure ser...

Bring your expertise to enhance system performance as you manage Linux servers, coordinate software upgrades, and troubleshoot complex challenges. Work collaboratively within an innovative team to ens...