IT Security Administrator Jobs in Arlington, VA

Drive advanced cybersecurity assessments and strategies, enhancing mission assurance through expert vulnerability analysis, secure coding, and risk evaluation for tactical portfolios across diverse en...

Pioneer advanced security measures to ensure compliance and protect critical information systems. Oversee risk management strategies and audits, support continuous monitoring, and collaborate with tea...

Champion the management and support of diverse web server environments, ensuring high performance and security. Leverage expertise in Linux systems, Apache HTTPD, Tomcat, and NGINX to resolve complex...

Lead innovative data recovery initiatives as part of a dynamic IT team, ensuring system integrity and business continuity for essential operations. Your expertise will enhance agency frameworks, makin...

Contribute to our mission by defending critical maritime intelligence networks. You'll respond to cybersecurity incidents, conduct investigations, and collaborate with various cybersecurity experts to...

Engage as a vital contributor in systems administration, ensuring optimal performance of IT systems. Collaborate with a centralized team to deliver outstanding service and support, enhancing user expe...

Unlock potential by overseeing multi-platform systems administration. Manage and maintain virtualization, develop security configuration, and deliver technical documentation while supporting IT system...

Join a team that's committed to enhancing cybersecurity by managing and implementing security policies, conducting risk assessments, and ensuring compliance with standards. Play a key role in safeguar...

Drive security excellence by managing risk assessments and compliance initiatives. Collaborate with multi-cloud environments to enhance system security. Lead audits, training, and strategic improvemen...

Transform your career as a senior cybersecurity expert, guiding critical security measures, mitigating risks, and ensuring compliance for key DoD systems while collaborating with diverse teams in a re...

Unlock potential by ensuring the performance and security of enterprise IT systems. Join a dynamic team managing desktop support in a large-scale environment, implementing innovative solutions for mis...

Champion network excellence by providing Tier 2 support for NOC operations, enhancing the management of NIPR and SIPR Base Area Network infrastructure while ensuring seamless coordination and robust s...

CTC is seeking a Mid-Level Linux System Administrator to support the Intelligence Community in Laurel, MD. The role involves managing IT system infrastructure, providing support for critical enterpris...

Lead the design and implementation of AI-powered security automation solutions to enhance SOC efficiency. Collaborate on workflows, integrate technologies, and streamline operations while improving an...

Join a team that's shaping cybersecurity strategies, guiding clients to build robust security postures and achieve compliance through trusted advisory relationships and business-aware roadmaps over lo...

Join a team that's dedicated to safeguarding USCG SFLC Operational Technology and IT systems. Lead the Risk Management Framework process, ensuring compliance and security, while preparing authorizatio...

Champion cybersecurity initiatives and manage comprehensive IT security programs to enhance risk management and protective measures across the organization. Collaborate with leaders to align strategie...

Pioneer IT infrastructure stability by managing system operations, ensuring peak performance and reliability for both UNIX and Windows environments. Lead troubleshooting efforts and oversee the instal...

Drive IT infrastructure excellence by implementing and maintaining core systems. Handle client/server setups, storage, networking, and OS operations to ensure reliability and performance across divers...

Reimagine security engineering by ensuring mission-critical systems meet compliance standards. Lead teams in identifying gaps and implementing robust solutions to enhance system protection, strengthen...

Drive the administration and operational excellence of SaaS platforms, ensuring compliance, security, and integration with enterprise systems. Collaborate with vendors and maintain high-level service...

Join a team that's dedicated to ensuring seamless administration of diverse SaaS platforms, coordinating with vendors, and maintaining security compliance while enhancing user experience across cloud...

Build and sustain critical systems for Navy installations, focusing on maintenance, security, user management, and troubleshooting as part of anti-terrorism efforts, with significant travel required t...

Unlock lasting impact as you provide vital system support for Navy installations, driving preventative maintenance and security solutions to protect mission-critical assets while traveling up to 75% a...

Engineer and oversee the functionality of critical IT systems in a multi-network, secure environment. Collaborate with a dynamic team to support an Intelligence Community client through innovative des...