IT Security Administrator Jobs in Fairfax, VA

Champion a robust Active Directory infrastructure, ensuring operational stability, security, and performance in a 24x7 environment. Collaborate across teams to support enterprise services while adheri...

Join a team that ensures secure, compliant IT operations for mission-critical services. As a System Administrator, you'll manage server environments, support cybersecurity protocols, and collaborate w...

Architect robust IT security strategies, manage teams, and ensure compliance while driving infrastructure performance and risk reduction initiatives for enterprise endpoints and data protection...

Develop and maintain critical systems for a dynamic IT service desk, optimizing network performance and providing expert troubleshooting support for end users in a multi-user environment. Engage with...

Optimize IT support services by resolving technical issues for users, managing access and application administration, and ensuring timely problem resolution while maintaining security standards across...

Shape the future of IT systems by implementing, troubleshooting, and maintaining varied technologies. Support day-to-day operations, enhance system performance, and ensure compliance with security con...

Shape and enhance enterprise systems through reliable IT support, including IAVA patching and both Windows and Linux server management, ensuring critical applications operate seamlessly in a fast-pace...

Join a team that’s pivotal in managing Microsoft Identity and cloud technologies. Oversee system integrity and performance while ensuring seamless operations for various applications and databases in...

Accelerate your career by managing high-performance Citrix systems. Take ownership of application delivery, infrastructure maintenance, and security compliance in a dynamic environment. Enjoy opportun...

Unlock your potential as you support critical communication systems in a dynamic 24/7 environment. Provide Tier 2 assistance and manage team operations while ensuring seamless IT performance across a...

Unlock potential by leading systems architecture initiatives, driving innovative solutions to ensure successful program execution and operational excellence across complex projects with a focus on tec...

Advance your IT career by providing expert technical support and solutions for clients. Engage in diagnosing complex issues, implementing stability and security measures, and enhancing client environm...

Drive mission success by leveraging your experience as a Systems Administrator across complex programs. Collaborate with experts to enhance operational capabilities and support cutting-edge technologi...

Champion secure infrastructure in mission-critical environments through hands-on management and support of Linux and Windows systems, ensuring seamless operations and compliance for vital intelligence...

Manage the implementation and operation of IT systems supporting DOJ's complex litigation needs. Optimize performance and ensure security while leading a team in a fully remote environment dedicated t...

Manage global enterprise-scale transport services, ensuring high availability and reliability through expertise in Linux systems and hands-on troubleshooting. Join a dedicated team contributing to vit...

Elevate your career by supporting worldwide enterprise-scale bulk data transport services critical to national security. Engage in hands-on Linux administration and operational support while driving h...

Support and optimize IT systems as a proactive System Administrator, driving trouble resolution and operational efficiency across multiple platforms while enhancing user experience and system performa...

Inspire and support secure network operations for critical government systems by managing computer systems, enhancing cybersecurity measures, and leading IT teams to ensure compliance with national se...

Lead the management and implementation of IT systems, focusing on security patches and user access. Collaborate within a small team to ensure operational excellence and data integrity, while supportin...

Engage as a Systems Administrator to enhance secure IT operations across on-premises and Azure environments. Drive system performance, manage identity services, and automate processes while ensuring r...

Lead the charge in managing and mentoring a diverse team of system administrators to ensure the performance and security of mission-critical systems in a hybrid work environment...

Accelerate database management excellence by leveraging cutting-edge solutions and collaborative problem-solving to support vital Army records management operations within a dynamic team environment...

Join a team that's transforming technology into opportunity by maintaining and operating complex IT systems. Provide critical support for UNIX/Windows servers, addressing technical challenges while en...

Lead the charge in managing IT systems infrastructure, ensuring seamless operations, troubleshooting, and compliance while providing expert support for network devices and client/server solutions acro...