IT Security Administrator Jobs in Washington, DC

Join a team that's dedicated to optimizing IT systems in a mission-critical environment, ensuring the reliability and security of operations across Windows, Linux, and UNIX. You'll manage infrastructu...

Join a dedicated team to enhance IT security compliance by implementing best practices, conducting assessments, and ensuring adherence to federal regulations. Support efforts to bolster system securit...

Partner with us to ensure seamless network operations and security in a high-stakes environment. Support a modern Secure Web Services operation with proactive monitoring, troubleshooting, and maintena...

Elevate cybersecurity efforts by leading risk management framework support and compliance for critical naval systems. Collaborate with multidisciplinary teams to ensure systems meet DoD cybersecurity...

Elevate your career as a Systems Administrator, supporting essential systems and users in a technical role that ensures seamless network and data center operations. Take on challenges that drive impro...

Join our team to provide expert Linux systems administration and operational support for mission-critical environments. Leverage your extensive experience to troubleshoot and enhance system performanc...

Drive impactful engineering support for U.S. Navy programs, managing system security, development, and compliance. Lead technical communications and project coordination to ensure seamless integration...

Transform your career by overseeing IT infrastructure, maintaining network devices, and troubleshooting for optimal cybersecurity testing. Join a dynamic team that prioritizes innovation and responsiv...

Partner with us to safeguard our global enterprise automation platform by designing and implementing advanced security systems. You'll play a crucial role in evaluating threats and building defenses a...

Contribute to the security and optimization of classified IT infrastructure by managing systems, ensuring compliance, and delivering technical support in a dynamic, mission-driven environment...

Unlock potential by managing a complex IT environment, delivering innovative solutions, and ensuring system integrity across multiple airgapped systems while collaborating with diverse teams to meet o...

Advance your career by providing essential support in a complex system environment. Contribute to the sustainment and optimization of network-centric operations while collaborating with a dynamic team...

Elevate the university’s cybersecurity posture by managing and optimizing security systems, conducting forensic analysis, and leading incident response efforts. Collaborate with teams to protect infor...

Lead the charge in enhancing cybersecurity by identifying vulnerabilities, conducting assessments, and applying advanced security techniques to secure network environments and safeguard sensitive info...

Join a dynamic team managing Windows systems to ensure optimal IT service delivery, maintain security compliance, and provide robust technical support across various applications for enterprise-wide d...

Lead a vital role in ensuring cybersecurity integrity through expert patch management and vulnerability remediation across diverse environments, leveraging Microsoft technologies and SCCM to maintain...

Transform information security by leading operations, mitigating risks, and enhancing security tools. Collaborate with management to ensure compliance and foster a culture of safety within a dynamic t...

Lead and innovate IT Security Operations to defend against threats, ensuring robust cybersecurity. Collaborate on incident response, compliance, and system enhancements in a hybrid work environment...

Unlock your potential as you manage and support complex IT systems. Collaborate with users to ensure seamless operations, troubleshoot issues, and maintain system security while enhancing overall infr...

Reimagine cybersecurity with a focus on RMF and eMASS compliance. Provide essential support for DoD IT services, enhancing security protocols and coordinating validation reviews to safeguard mission-c...

Support the implementation and operation of Linux-based IT systems, ensuring seamless performance and reliability while managing daily operations, identifying issues, and automating tasks for efficien...

Oversee advanced technical support and systems administration for escalated incidents, ensuring optimal performance and security in a complex enterprise environment, while collaborating across teams a...

Champion technical excellence by providing Tier II support for VMware virtualization, ensuring optimal performance and stability of enterprise infrastructure while collaborating on incident resolution...

Provide expert Tier II virtualization support, ensuring the stability and performance of the VMware infrastructure. Troubleshoot complex issues, perform maintenance, and guide Tier I staff while manag...

Join a team that's dedicated to enhancing enterprise virtualization through advanced VMware support. You'll tackle complex issues, ensure system stability, and maintain high availability across our vi...