IT Security Administrator Jobs in Arlington, VA

Support core Intelligence Community missions as a part of a team protecting against cyber adversaries, providing high-performance computing services while ensuring operational excellence and system in...

Shape the future of cybersecurity by managing system configurations, implementing security protocols, and ensuring compliance within a dynamic IT environment. Collaborate closely with teams to enhance...

Transform the landscape of IT security by leading risk assessments and remediation initiatives across the enterprise. Collaborate with cross-functional teams to safeguard systems and ensure compliance...

Drive the optimization and configuration of Cloud-based Atlassian tools, including Jira and Confluence, while enhancing automation with AI chatbot integrations to improve business processes and applic...

Manage IT systems infrastructure, troubleshoot, and optimize support processes. Provide Tier 1 and Tier 2 operations, ensuring efficient problem resolution and service quality for end-users and client...

Lead the charge in managing IT infrastructure while automating processes and ensuring security. Collaborate with teams to improve deployment strategies and deliver high-performance systems through eff...

North Point Technology is seeking a TS/SCI CI Poly cleared System Administrator to maintain and enhance secure IT environments for mission-driven customers. The role involves managing Active Directory...

Join a team that's dedicated to safeguarding sensitive data in a structured environment. In this role, you'll enhance security measures and collaborate with compliance and engineering teams to impleme...

Unlock potential by implementing robust data security measures across platforms, ensuring compliance and continuous improvement through risk assessments, encryption, access controls, and incident resp...

Elevate your career as you drive Workday security strategy, ensuring robust data integrity and compliance while enhancing operational efficiency. Collaborate across projects to implement security meas...

Unlock your potential in a dynamic role supporting mission-critical IT systems by managing Linux-based environments, troubleshooting complex issues, and ensuring optimal performance through collaborat...

Shape the future of our IT operations by leveraging your expertise in systems administration and support. Join a mission-driven team to enhance data security and improve processes across our dynamic o...

Manage and scale our infrastructure using Microsoft 365 services. Play a key role in rolling out security protocols, automating processes, and enhancing collaboration tools in a dynamic fintech enviro...

Lead the charge in managing FedRAMP compliance and security for cloud systems. Ensure ongoing authorization, risk management, and strategic guidance for secure cloud architecture while collaborating a...

Optimize and manage critical IT systems while leading troubleshooting efforts in complex enterprise environments. Support high-performance computing infrastructure and ensure peak system performance t...

Unlock operational efficiency by managing an enterprise Citrix environment. Deliver optimal performance and security solutions for geographically diverse users through expert administration and seamle...

Take ownership of the design and operations of our hybrid infrastructure, ensuring seamless integration of on-premises and cloud environments, while providing expert support and management for network...

Transform cybersecurity operations by delivering critical support to DoD customers, monitoring incidents, and ensuring effective communication amongst teams in a fast-paced environment to enhance defe...

Take ownership of cybersecurity efforts, ensuring compliance and monitoring of security controls. Collaborate with various teams to secure systems against threats while maintaining effective communica...

Join us to maintain RedHat Linux VMs in a cloud environment, ensure IAVA compliance, and provide system administration support. Collaborate with teams, troubleshoot issues, and handle backups to promo...

Pioneer a secure IT environment by managing systems and security operations. Balance administration duties across cloud platforms and ensure robust security protocols while supporting a remote workfor...

Engineer secure systems infrastructure through troubleshooting, compliance, and implementation. Leverage cloud technologies while mentoring teams to enhance performance and adherence to safety standar...

Support our mission by administering and enhancing Linux and virtualized systems while ensuring security compliance. Leverage your expertise in systems management to maintain infrastructure performanc...

Advance IT systems while managing AI tooling and infrastructure. This hands-on role involves deploying AI solutions, maintaining traditional admin tasks, and collaborating with diverse teams to enhanc...

Empower our information security program by ensuring compliance with top frameworks and standards through independent audits, project management, and continuous improvement, while engaging collaborati...