IT Security Administrator Jobs in Arlington, VA

Engage with a dynamic team to support, troubleshoot, and maintain innovative computer systems while providing expert guidance across a range of environments including VDI, Windows, Unix, and Cloud sys...

Lead the charge in optimizing IT systems while ensuring software integrity and problem resolution. Collaborate with a dynamic team to support and enhance complex software systems, influencing design a...

Take ownership of comprehensive security assessments and authorizations for multiple systems, ensuring adherence to RMF guidelines while managing team collaboration and documentation for operational s...

Lead the charge in developing and executing enterprise cybersecurity and network strategies, managing teams and technologies to build secure, scalable infrastructures and driving compliance and risk m...

Empower users by optimizing system performance and security through effective administration of Unix and Windows workstations and servers, enabling seamless IT operations and robust support for our in...

Drive cybersecurity excellence by managing daily security operations, conducting audits, monitoring compliance, and maintaining documentation for classified information systems, ensuring a robust secu...

Join a team that's committed to securing mission-critical web applications and data by integrating robust security measures throughout the development lifecycle, driving proactive threat modeling and...

Develop and implement robust cybersecurity policies to ensure compliance with regulatory standards. Collaborate with cross-functional teams to enhance security awareness and practices while safeguardi...

Drive your career by providing senior-level leadership in managing and maintaining critical IT systems for enterprise applications. Collaborate with diverse teams to enhance reliability, security, and...

Champion security excellence by designing and implementing robust controls across applications, cloud, and identity environments. Partner with cross-functional teams to enhance architecture and ensure...

Join a dynamic team to lead and maintain critical IT systems for enterprise applications, ensuring security, reliability, and performance while mentoring others. Drive modernization efforts and suppor...

Drive cybersecurity excellence by leading risk management, governance, and compliance initiatives. Influence decision-making through strategic oversight and incident response, ensuring the protection...

Unlock your potential as a Systems Administrator, managing IT infrastructure in a dynamic remote role. Drive technical solutions, support clients, and ensure network security while enhancing your care...

Maximus is seeking a Senior Windows Administrator to oversee the design, implementation, and maintenance of Windows-based servers and systems. The role involves managing server infrastructure, trouble...

Oversee Risk Management Framework activities and develop security authorizations while ensuring compliance with industry standards. Collaborate with cybersecurity leaders to mitigate risks and maintai...

Transform cyber security by gathering user stories, advising government clients, and architecting multi-user networks. Collaborate on compliance and create system security plans to enhance network int...

Unlock potential by providing expert cybersecurity engineering throughout the system development lifecycle, ensuring security controls are effectively designed and implemented during architecture revi...

Manage network security monitoring team to analyze traffic, report incidents, and apply countermeasures using IDS and network tools, ensuring sophisticated protection against cybersecurity threats and...

Take ownership of comprehensive security control assessments for DoD information systems. Leverage your expertise to validate security implementations, communicate findings, and ensure compliance with...

Empower security operations by overseeing information system security and ensuring compliance within DoD environments. Collaborate with leadership to implement best practices and provide strategic sup...

Join a team that's central to global cyber defense, overseeing incident response while leading and mentoring a team of security analysts to enhance the effectiveness of security operations and safegua...

Transform your career by managing mission-critical IT systems and providing top-tier support across diverse environments. Focus on system integrity and performance while troubleshooting complex issues...

Lead the maintenance and troubleshooting of critical IT infrastructure, overseeing system operations and technical support for enterprise technologies, ensuring reliability and optimal performance acr...

Unlock potential by managing AWS cloud infrastructure within a dynamic Agile team, ensuring system availability, security, and efficiency while driving innovation via upgrades and migrations, and enha...

Implement security controls and conduct testing on AWS, ensuring compliance and safeguarding a high-visibility federal platform. Collaborate with teams to enhance security, automate processes, and sup...