IT Security Administrator Jobs in Arlington, VA

Contribute to enhancing security by designing robust cybersecurity architectures, assessing vulnerabilities, and collaborating with teams to ensure compliance with security standards across diverse IT...

Lead and inspire a remote Tier II Service Desk team in a dynamic 24/7 environment. Drive operational excellence through metrics, coaching, and structured processes while enhancing team performance and...

Lead the charge in securing Leo's networks across diverse environments. Collaborate with cross-functional teams to enhance threat detection, risk assessment, and incident response. Drive network secur...

Lead the charge in conducting thorough cybersecurity assessments and vulnerability analyses, shaping effective security strategies for enterprise systems. Collaborate with a team to enhance and valida...

Advance your career by designing and optimizing high-performance software systems, managing large datasets, and driving full development lifecycle efforts in a collaborative, high-stakes environment...

Lead and manage multiple enterprise-level projects focusing on Microsoft technology services. Engage with clients and technical teams to ensure projects are planned, executed, and delivered on time, w...

Lead the charge in architecting scalable, secure solutions across Enterprise Risk, bridging business needs with technical execution. Collaborate with diverse teams, mentor engineers, and drive innovat...

Architect resilient infrastructures through automation, optimizing OS, servers, and firmware management. Collaborate across teams to enhance private cloud operations, driving innovation and implementi...

Innovate solutions for infrastructure automation, focusing on resilient architectures and streamlined operations in a private cloud environment through effective tool development and strategic upgrade...

Accelerate progress at our Infrastructure Automation Tools team by driving innovative cloud management and automated systems. Collaborate with cross-functional teams to enhance operational efficiency...

Explore innovative automation solutions in a cloud engineering environment, ensuring robust performance and management of server infrastructure by leveraging advanced programming and systems skills...

Analyze and enhance cybersecurity strategies by collaborating with project teams to integrate security practices into business operations while maintaining compliance with established frameworks and g...

Lead the charge in transforming customer applications with innovative solutions using the ServiceNow platform. Collaborate within an Agile framework, driving best practices and deploying low-code solu...

Join a team that's redefining service delivery through ServiceNow innovations. As a key contributor, you will design and implement advanced features to enhance platform capabilities, collaborating clo...

Tackle complex cyber capability issues, drive research improvements, and collaborate with leadership to enhance cybersecurity assessments for government operations. Lead critical analysis and provide...

Manage and support IT systems for the U.S. Naval Observatory, ensuring compliance with DoD cybersecurity requirements while providing technical assistance across critical astronomical applications and...

Unlock potential by leading full-stack application development and enhancing systems for operational efficiency and customer alignment. Collaborate with IT teams in a fast-paced environment to deliver...

Engineer cybersecurity solutions by assessing risks and implementing security measures. Collaborate with teams to ensure compliance with regulations while guiding developers on security policies to pr...

Shape the future of naval operations by leading system design and integration efforts. As a Lead Systems Engineer, you will direct multi-disciplinary tasks, ensuring compliance and performance while m...

Execute data governance and compliance strategies within Microsoft Purview, focusing on user management and system enhancements in a secure environment. Collaborate across teams to optimize data prote...

Join a team that's redefining cybersecurity by leading a technical Cyber Threat Intelligence function that drives actionable insights and mitigates risks across our enterprise. Collaborate with top ex...

Shape your career by driving vulnerability management workflows, enhancing cybersecurity through hands-on remediation across diverse environments while collaborating closely with IT teams to ensure or...

Join a dynamic team to administer Splunk services, ensuring effective threat detection, incident response, and data onboarding while enhancing our SIEM environment to support security operations and o...

Drive IT administration excellence by maintaining and supporting Linux servers, network devices, and user services in a dynamic cloud environment, ensuring optimal performance and security for mission...

Advance national security by bridging OT threat intelligence with automated emulation. Analyze real-world adversary actions targeting critical infrastructure to enhance cyber-physical resilience. Coll...