IT Systems Administrator Jobs in Fairfax, VA

Join our dynamic team as a System Administrator, where you will support complex Federal Physical Security Systems. Collaborate with technical and non-technical clients to ensure high-standard service...

Optimize IT systems through expert Linux and VMware administration, ensuring security compliance and operational efficiency while collaborating with teams to implement advanced technological solutions...

Solve complex computing challenges by managing large-scale HPC and storage systems, ensuring optimal performance, security, and user support in a collaborative, high-performing environment...

Join a dynamic team as a cloud engineer, driving enterprise infrastructure operations with Linux and AWS. Collaborate across teams to enhance services and ensure security in a fast-paced, innovative e...

Drive operational excellence as a Tier 3 System Administrator Lead, managing enterprise server ecosystems, optimizing performance and security in on-prem, virtual, and cloud environments while providi...

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...

Join a team that's dedicated to enhancing Azure cloud infrastructure while supporting critical applications through innovative engineering practices, collaboration, and operational excellence in a dyn...

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

Unlock your potential by managing cloud computing security and implementing best practices under the NIST RMF standards. Collaborate with cross-functional teams to enhance Oracle Cloud Infrastructure...

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...

Transform your career by enhancing system security and compliance, overseeing operations, and driving continuous improvement initiatives in a dynamic environment—ideal for experienced security profess...

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

Champion vulnerability remediation and system hardening in a diverse enterprise environment. Collaborate with INFOSEC to ensure compliance, drive execution, and maintain security across Windows and Li...

Drive the operational excellence of IT systems through support, troubleshooting, and maintenance. Manage network infrastructure while ensuring seamless user assistance and problem resolution in a dyna...

Empower mission-critical telecommunications support by ensuring robust infrastructure monitoring, operational coordination, and infrastructure management in a fast-paced 24/7 environment to optimize p...

Transform IT operations by leading a team of expert Systems Administrators, managing complex environments and implementing best practices for Linux and Windows systems to ensure optimal performance an...

Oversee the management of high-performance computing systems and storage solutions, ensuring optimal operation, security compliance, and user support to meet advanced Earth science modeling needs in a...

Optimize IT systems by providing critical support for implementation, troubleshooting, and maintenance, while managing complex infrastructures. Drive daily operations and user assistance, ensuring sea...

Provide support for IT system implementation, troubleshooting, and maintenance. Engage in daily operations, problem resolution, and user assistance across various IT infrastructure, ensuring optimal p...

Pioneer the future of litigation support as you manage IT systems for DOJ, optimizing automated resources for complex legal proceedings. Join our remote team to enhance system performance and ensure c...

Manage complex system administration in a secure cloud environment, ensuring robust operations while collaborating with a dynamic team. Drive system updates, enhance performance, and support infrastru...

Deliver critical IT expertise by configuring and managing cyber protection tools. Collaborate across teams to effectively lead projects while performing digital forensics and vulnerability assessments...

Grow your career as a key contributor to system optimization, supporting Linux and Windows administration while ensuring compliance and efficiency. Collaborate effectively within a team-focused enviro...

Unlock new technical capabilities by architecting innovative solutions while providing hands-on management of VMs. Collaborate with customers to enhance existing applications and evaluate cutting-edge...

Provide expert management and support for high-performance computing systems and storage solutions. Engage in operations, security, and user assistance to enhance performance and availability for adva...