IT Security Administrator Jobs in Arlington, VA

Unlock potential by leading cybersecurity compliance, risk management, and continuous monitoring for classified systems. Support law enforcement and national security missions while ensuring adherence...

Grow your career with a leading team focused on building secure identity solutions. You'll develop and enhance critical authentication systems, driving reliability and security across our platform in...

Provide advanced technical support for diverse IT systems, ensuring secure and efficient operations through collaboration with teams and troubleshooting critical issues in a dynamic enterprise environ...

Champion secure DevSecOps practices and manage scalable infrastructure to support healthcare and defense initiatives. Leverage technical expertise in a fast-paced environment that demands proactive pr...

Champion secure enterprise network and security architectures to enhance operations, ensuring they meet compliance standards while guiding engineers and driving modernization initiatives across comple...

Empower data-driven decisions by leading the design and development of robust data models. Drive strategic data planning and ensure effective data management for enhanced business intelligence and ope...

Champion innovative IT solutions at the DOJ by analyzing requirements, designing systems, and leading technical teams to support complex litigation missions in a fully remote environment...

Transform cybercrime investigations by providing expert analysis and actionable intelligence. Leverage cryptocurrency tracing and OSINT techniques to support law enforcement in uncovering financial cr...

Join us to enhance enterprise security operations by architecting, implementing, and supporting security solutions. Take ownership of assessments, system monitoring, and compliance, ensuring robust pr...

Pioneer cloud strategy and delivery while leading a diverse global team to enhance operational reliability, security, and efficiency in managed cloud services across AWS and Azure, adopting Infrastruc...

Pioneer innovative Windows and Linux systems engineering to optimize performance, enhance reliability, and deliver high-quality solutions in a dynamic research environment while supporting critical op...

Shape the future of cybersecurity by providing leadership and strategic oversight for comprehensive security measures across contract activities, ensuring compliance while mentoring staff and promotin...

Drive comprehensive cybersecurity initiatives, ensuring compliance and security best practices while mentoring staff and coordinating with government teams to enhance defense intelligence strategies...

Lead the charge in optimizing our large-scale Linux systems, ensuring seamless operations, security, and enhancements while troubleshooting issues with a focus on performance and reliability...

Unlock the potential of large-scale Linux systems by managing installations, enhancing security, and streamlining operations. Collaborate within a skilled team to ensure optimal performance and reliab...

Elevate national security by providing expert cybersecurity engineering support for critical government programs, ensuring systems align with security requirements while enhancing mission success in a...

Oversee the security posture of information systems, ensuring compliance and effective management of sensitive operational environments, while supporting Special Access Programs and collaborating with...

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...

Lead database administration efforts to ensure operational reliability, security, and performance for critical systems. Collaborate with teams to maintain data integrity and support the mission of a n...

Empower IT operations by leading service management, enhancing system reliability, and fostering a high-performing support team. Drive continuous improvement initiatives and ensure compliance while pa...

Lead the charge in safeguarding critical information systems by overseeing security operations, conducting compliance reviews, and coordinating responses to security incidents. Collaborate with teams...

Lead cybersecurity operations by implementing and maintaining CDAP data pipelines for enterprise security monitoring, enhancing threat detection and operational reporting across ARNG environments with...

Transform your career by leading the implementation of Zero Trust Architecture initiatives to enhance cybersecurity and governance for enterprise environments. Leverage your project management and tec...

Partner with us to enhance security protocols for Special Access Programs. You'll analyze, recommend, and implement policies while ensuring compliance, identifying risks, and supporting operational se...

Lead the management and operation of critical PKI and HSM services to ensure secure and compliant cryptographic environments. Collaborate with teams to support mission-critical DoD systems while adher...