IT Security Administrator Jobs in Arlington, VA

Join a team that's focused on securing multi-national IT infrastructures to enhance information sharing capabilities. Leverage your expertise in cybersecurity to protect sensitive data while collabora...

Join a team that's driving technical excellence in system administration and support. Utilize your expertise to lead a team, resolve complex issues, and enhance customer satisfaction within a dynamic...

Champion security compliance and operations across diverse national security programs, ensuring adherence to regulations and safeguarding classified information while leading a cohesive and effective...

Shape the future of cybersecurity as you assess and ensure authorization for classified systems, applying robust U.S. Government policies while guiding compliance, monitoring, and evolving security pr...

Join a mission-driven team and embed security in the software development lifecycle. Collaborate with developers to identify, validate, and remediate application vulnerabilities using leading security...

Engage with an expert team to enhance cybersecurity for Industrial Control Systems. Consult, assess risks, and implement secure designs while ensuring compliance with industry standards. Travel to cli...

Drive robust application security integration within the SDLC while collaborating with development teams to analyze and mitigate vulnerabilities. Engage in proactive testing and ensure compliance, enh...

Champion cybersecurity resilience in Industrial Control Systems as you support clients by conducting risk assessments, implementing solutions, and collaborating with experts to drive success in a rapi...

Lead the charge in crafting and executing comprehensive IT and cybersecurity strategies, enhancing operational resilience while guiding and developing high-performing teams. Drive innovation in securi...

Join us to enhance access management for enterprise applications, ensuring secure systems through role engineering and policy development. Collaborate across teams to support DLA missions and identity...

Champion network excellence by leading design, installation, and optimization of key infrastructure, while ensuring robust security measures across datacenter and LAN environments, delivering expert s...

Elevate the security posture by leading the deployment of CyberArk PAM solutions, ensuring DoD applications align with Zero Trust principles while mentoring junior engineers and driving automation for...

Join a dynamic team to design, build, and enhance automated infrastructure supporting critical operations through Kubernetes and Ansible, while engaging closely with clients to ensure optimal performa...

Elevate cybersecurity standards by leading analyses and evaluations of policies to institutionalize security for DoD information systems. Provide technical guidance, conduct software testing, and supp...

Join a team that's central to national security by advancing cybersecurity measures. As a key player, you'll design, develop, and maintain software systems, ensuring their functionality and security w...

Elevate your career as an Information System Security Officer, ensuring security compliance for systems and achieving Authority to Operate (ATO) through the Risk Management Framework (RMF). Collaborat...

Drive security compliance by collaborating with teams to ensure systems meet standards, maintain ATO, and follow RMF processes. Lead the updating of key documentation and support security assessments...

Lead security compliance efforts by collaborating with technical teams to achieve and maintain Authority to Operate (ATO). Ensure adherence to established risk management processes while documenting a...

Lead security compliance efforts by collaborating with teams to ensure systems meet standards and maintain Authority to Operate (ATO) while managing security documentation and assessments within the R...

Manage security compliance across systems by collaborating with cross-functional teams. Ensure maintaining Authority to Operate (ATO) through effective implementation of the Risk Management Framework...

Champion security compliance by collaborating with teams to maintain systems’ Authority to Operate. Oversee security assessments, update documentation, and implement strategies to mitigate risks while...

Unlock potential by ensuring security compliance within systems through collaboration, documentation, and risk management. Engage with diverse teams to maintain Authority to Operate (ATO) and support...

Join a team that's redefining cybersecurity by leading Vulnerability Management and Offensive Security across a dynamic, hybrid tech ecosystem. Make crucial enhancements to security posture and drive...

Empower business infrastructure by designing resilient systems aligned with IT strategy. Collaborate across teams to optimize technology solutions for clients, ensuring high availability and operation...

Empower security compliance and protect vital systems by ensuring rigorous adherence to the Risk Management Framework while collaborating with cross-functional teams to maintain Authority to Operate f...