IT Security Administrator Jobs in Washington, DC

Join a team that's dedicated to managing IT environments, providing technical support, and ensuring security across systems. Collaborate with specialists to tackle complex incidents and enhance operat...

Innovate security operations by managing compliance, access control, and personnel security. Collaborate with teams to enhance safety protocols and provide administrative support for classified activi...

Join a dynamic team to optimize enterprise Linux systems, ensuring high availability and security across diverse environments. Leverage your expertise in cloud infrastructure and automation to enhance...

Lead the charge in enterprise systems architecture and infrastructure modernization. Drive automation, optimize security, and implement zero-trust principles across complex environments while ensuring...

Innovate robust infrastructure solutions by leading enterprise systems architecture, automation, and zero-trust security implementation across complex environments. Drive strategic initiatives for ope...

Advance your career by managing and optimizing Linux systems, virtual machines, and network infrastructure. Collaborate with teams to ensure reliable services and support both classified and unclassif...

Join us to manage and enhance internal and customer environments, ensuring optimal performance of Linux servers, virtual machines, and network infrastructure while supporting both classified and uncla...

Provide essential helpdesk support by diagnosing and resolving technical issues, guiding users through troubleshooting, and mentoring new team members while ensuring adherence to IT policies and maint...

Optimize user support by diagnosing and resolving technical issues, mentoring colleagues, and ensuring adherence to IT policies. Collaborate in a team environment to enhance service delivery and maint...

Lead the transformation of enterprise systems architecture and security. Drive automation, optimize infrastructure, and implement zero-trust principles across complex environments while ensuring compl...

Lead the charge in enterprise systems architecture and infrastructure modernization. Drive automation, optimize security, and implement zero-trust principles across complex environments while ensuring...

Drive the management of a Linux and Windows cloud environment, enhancing performance and security. Collaborate with a team to deliver project goals while providing effective communication across all s...

Unlock potential by managing IT systems and cloud infrastructure, providing technical support, and ensuring cybersecurity compliance. Collaborate on Microsoft 365 and Azure environments while enhancin...

Oversee the lifecycle and security of critical IT infrastructure, combining Windows systems administration with hardware engineering. Collaborate in a dynamic team to ensure high availability and comp...

Empower mission-critical environments by managing Linux systems, virtualization, and network infrastructure. Collaborate on vulnerability remediation and ensure reliability across classified and uncla...

Take ownership of system reliability by managing Linux environments, virtualization, and network infrastructure. Collaborate on vulnerability remediation and documentation to ensure optimal performanc...

Join a dynamic team as you provision, configure, and maintain high-availability systems. Drive automation and enhance security while mentoring peers and optimizing operations across enterprise environ...

Join a dynamic team as a Systems Administrator, driving automation and optimizing system performance while ensuring secure infrastructure management and providing technical mentorship across enterpris...

Lead the charge in enterprise patch management and vulnerability remediation, ensuring security and compliance across all managed systems. Collaborate with IT teams to enhance operational integrity an...

Lead the charge in optimizing enterprise-level systems and networks, ensuring stability and performance across multiple locations while enhancing user experience through effective training and automat...

Join a dynamic team to support, troubleshoot, and maintain IT systems, ensuring optimal performance and security. Manage daily operations, provide user assistance, and implement system enhancements fo...

Unlock potential by managing and securing cloud and hybrid environments, bridging operations and development teams. Drive automation and scalability while ensuring robust security measures and efficie...

Drive network security and infrastructure excellence by managing advanced firewalls, optimizing connectivity, and leading technical initiatives to support critical operations and enhance performance a...

Champion the maintenance and security of medium-sized secure networks, ensuring compliance with DoW regulations while collaborating with a dedicated team to support client needs and enhance system per...

Bring your expertise to a key role supporting secure web services and cloud migration, working collaboratively to ensure exceptional network operations and system administration in a high-security env...