IT Security Administrator Jobs in Reston, VA

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...

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...

Support cybersecurity by monitoring systems, administering servers, and enhancing practices to safeguard digital assets and incidents. Collaborate across teams while implementing technical solutions t...

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...

Join a team that's enhancing cybersecurity for Navy systems through hands-on leadership in RMF activities. Drive system security engineering, compliance, and risk management while collaborating with s...

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...

Innovate a secure infrastructure empowering teams to automate tasks and ship code quickly using cutting-edge technologies. Spearhead cloud solutions and governance for coding agents while enhancing ef...

Tackle cybersecurity challenges for critical systems, ensuring compliance and protection for national security. Engage across all cyber disciplines while fostering a culture of inclusivity and impact...

Lead the charge in evolving enterprise security strategies across network, SaaS, and AI domains. Ensure robust security governance, risk management, and collaborative efforts with technical teams to s...

Innovate within our IT services by managing Exchange Online and virtualized infrastructures. This role supports critical DoD OIG networks, ensuring seamless email operations, compliance, and user supp...

Drive high-performance computing operations and storage systems to optimize supercomputing resources, ensuring robust user support, system security, and operational excellence for Earth science modeli...

Optimize cyber security efforts while ensuring compliance and system hardening across IT environments. Take an active role in strategic initiatives supporting Zero Trust and safeguarding information w...

Lead the charge in developing security architecture strategies that align with business objectives. Collaborate with teams to mitigate risks and ensure comprehensive protection of digital assets throu...

Elevate Army IT strategies by developing governance frameworks and decision-making models. Play a vital role in shaping future IT policies through performance assessments and actionable recommendation...

Join a team that's shaping Army IT strategy and governance. Drive strategic policies, assess performance metrics, and deliver actionable insights to leadership, ensuring compliance and enhancing overa...