IT Systems Administrator Jobs in Fairfax, VA

Advance your career by leading software development initiatives that support academic and operational objectives, ensuring application security and innovative enhancements that drive efficiency in a m...

Help us enhance cybersecurity operations through data-driven engineering, optimizing telemetry processing for enhanced visibility across diverse environments, supporting critical missions, and collabo...

Drive the security and stability of IT systems as you lead teams in managing complex networks. Collaborate with developers to enhance operations while overseeing system installations and maintenance...

Optimize system architecture and engineering processes, ensuring seamless integration and high-performance solutions while driving innovation and delivering quality results in a collaborative environm...

Accelerate technical excellence by designing and maintaining secure endpoint configurations in Windows and macOS environments, ensuring robust support for a federal agency's infrastructure and cyberse...

Take ownership of system administration, enhancing IT processes and security. Manage capacity planning and architecture to support mission-critical functions while ensuring compliance with cybersecuri...

Drive the architecture and design of robust, cloud-native cybersecurity systems, ensuring secure integration and compliance with Zero Trust principles while managing multiple large-scale projects at o...

Elevate the future of defense by building robust backend services and APIs for AI/ML access in the War Data Platform, ensuring secure operations across a range of environments and enhancing mission ca...

Transform and streamline organizational processes by managing SharePoint environments, enhancing user experiences, and leveraging Microsoft 365 integrations to foster collaboration and efficiency in a...

Transform technical exploitation processes to uncover insights from adversarial unmanned systems. Collaborate with diverse teams to enable actionable intelligence and ensure mission success in a chall...

Provide technical support in Windows/Linux environments, including system configuration, security maintenance, and troubleshooting. Collaborate with teams to ensure the integrity and reliability of IT...

Join a dynamic team to drive program execution, budget management, and compliance for a pivotal defense initiative. Collaborate across departments and engage stakeholders to ensure alignment and succe...

Unlock potential by managing and optimizing IT infrastructure for the US Tax Court, ensuring secure and efficient digital operations. Provide exceptional technical support and drive improvements in cu...

Engage in leading multi-discipline engineering efforts to enhance GEOINT systems, ensuring effective requirements management, testing, and solutions integration for complex defense and intelligence op...

Oversee the operational management of VMware virtualization environments, enhancing service delivery through optimal configurations, high-availability solutions, and robust disaster recovery strategie...

Lead and oversee Security Operations Center services, ensuring compliance and operational excellence while engaging with agency leadership. Drive continuous improvement initiatives and manage incident...

Lead comprehensive management of Security Operations Center services, ensuring operational excellence, contract compliance, and continuous improvement while interfacing with agency leadership and stak...

Champion the enhancement of cybersecurity posture by identifying risks, coordinating incident responses, and implementing robust security controls. Collaborate with cross-functional teams to drive com...

Transform the future of secure access management by leading the deployment of cutting-edge Delinea Tools across Linux environments, bridging operational needs with technological solutions while ensuri...

Join a dynamic team to develop robust security architectures for information systems, mitigating risks and ensuring compliance with industry standards while collaborating with cross-functional teams i...

Contribute to cloud application migration and modernization efforts, leading development and technical implementation while enhancing user experience and business processes for NIH enterprise applicat...

Lead the charge in supporting critical IT infrastructure for Identity and Access Management, ensuring seamless operations in a 24x7 environment. Troubleshoot complex issues and provide expert solution...

Explore advanced IT infrastructure solutions in a critical support role. Contribute to a dynamic Operations Center, ensuring seamless Identity Credential and Access Management (ICAM) services with exp...

Optimize customer success by operationalizing the Tanium platform, solving complex issues, and enhancing security and compliance through effective technical collaboration and communication in enterpri...

Unlock potential by managing and troubleshooting IT systems, optimizing operations, and leading systems engineering efforts to enhance performance and reliability across diverse environments...