IT Systems Administrator Jobs in Ashburn, VA

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...

Elevate our mission by leveraging your expertise in Linux systems to support and optimize enterprise solutions, ensuring high performance and reliability in sophisticated environments through automati...

Unlock your potential as you analyze and mitigate network threats, coordinate incident response efforts, and safeguard critical systems while collaborating across teams to enhance cybersecurity for go...

Optimize incident response and network analysis efforts to protect sensitive information. Utilize expertise in Cyber Network Defense to identify and mitigate threats while providing actionable insight...

Empower your career by sustaining and enhancing a vital Windows infrastructure. Collaborate with cross-functional teams to resolve complex system issues, enhance security, and optimize operations whil...

Optimize operations by leading IT systems management across multiple locations. Collaborate with teams to provide technical support, ensure security compliance, and enhance functionality in a high-sta...

Lead infrastructure operations as a Linux System Administrator, optimizing system performance, troubleshooting issues, and supporting IT services for national defense missions with a focus on reliabil...

Transform infrastructure performance by optimizing Linux systems and providing reliable support for a diverse range of IT operations, essential for supporting national defense missions and enterprise...

Drive efficiency and security in VDI environments by providing senior-level system administration expertise, leading onboarding, ticket escalations, and strategic enhancements to support evolving tech...

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...

Transform enterprise BI platforms through optimization, security, and cloud integration. This role demands operational excellence in MicroStrategy administration, ensuring high-performance systems and...

Oversee and enhance IT system operations across diverse environments. Manage storage solutions, provide troubleshooting support, and ensure seamless integration of multi-vendor platforms in a complex...

Lead a dynamic team in delivering secure information solutions, overseeing system security assessments, and providing enterprise-level support for network, server, and application security services...

Transform internal operations by managing diverse systems infrastructure, ensuring reliability, security, and efficiency across cloud and on-prem environments, while collaborating with IT and engineer...

Champion technology innovation and optimize systems administration for mission-critical projects, enhancing both functionality and security while fostering collaboration within a dynamic environment...

Advance information security by managing security operations, evaluating vulnerabilities, and enforcing compliance for classified systems. Collaborate with teams to enhance system resilience and devel...

Lead the management and evolution of complex infrastructure, ensuring seamless operation of mission-critical systems, enhancing network performance, and maintaining robust security measures...

Join a dynamic team to enhance cloud infrastructure, leveraging your system administration skills and automation expertise to support enterprise digitization initiatives within a collaborative environ...

Shape and enhance security for mission-critical systems in a dynamic environment. Engage with cutting-edge technology to ensure compliance, stability, and performance across enterprise endpoints while...

Transform systems administration by optimizing Linux and Windows environments while ensuring compliance and automating processes. Play a key role in supporting specialized integrations and delivering...

Support system uptime and security by managing Linux environments, conducting performance monitoring, and collaborating on issue resolution with various tools and teams to enhance operational efficien...

Elevate the security of information systems by integrating robust protection measures throughout their lifecycle. Collaborate with stakeholders to refine requirements, enhance designs, and ensure effe...

Engineer security solutions by enhancing system security integration and design, collaborating with stakeholders to define requirements and mitigate risks, while capturing functional needs throughout...

Transform your skills by designing systems and automating processes in a dynamic team focused on Linux architecture and solutions. Collaborate across networks to optimize cloud infrastructure efficien...

Support our IT team as a Tier 2 Systems Administrator, providing expert technical assistance, maintaining critical systems, and ensuring top-tier performance and security for user infrastructure. Make...