IT Security Administrator Jobs in Alexandria, VA

Join a team that's committed to supporting IT infrastructure and security initiatives, ensuring compliance, and enhancing cybersecurity posture while providing daily operational leadership with a clea...

Take ownership of IT infrastructure management and optimization. Ensure system reliability and performance while resolving technical challenges and aligning technology solutions with organizational go...

Oversee and manage critical systems across hybrid and AWS environments, ensuring system availability, compliance, and security. Collaborate with teams to support modernization initiatives and operatio...

Manage network configurations and security measures for critical assets while ensuring optimal performance and efficiency. Collaborate with teams to implement upgrades and maintain comprehensive docum...

Provide enterprise-level system administration and technical support, ensuring optimal performance, security, and compliance of Microsoft Azure, Active Directory, and Microsoft 365 environments while...

Oversee the administration of cloud-based IT systems, driving service quality and efficiency while managing escalated support and strategic IT projects for a dynamic organization poised for growth...

Optimize security and IT operations, supporting diverse teams and managing requests while ensuring efficient access control and incident responses. Collaborate in a remote-first environment dedicated...

Drive your career forward by joining a dynamic team as a System Administrator, providing critical support for hardware and software operations within a complex IT environment, ensuring compliance and...

Join a team that's enhancing security visibility through RHEL system administration and engineering. You will manage system provisioning, patching, compliance, and collaborate closely with SOC enginee...

Manage and enhance enterprise IT systems, focusing on Azure, Active Directory, and Microsoft 365. Your expertise will ensure robust security, efficient automation, and effective support across diverse...

Shape the future of mission-critical systems by implementing, maintaining, and troubleshooting complex IT infrastructures, including Linux/UNIX systems and Kubernetes environments in secure settings w...

Unlock potential by leading cross-functional teams, managing high-availability environments, and implementing innovative solutions while addressing complex cyber challenges and safeguarding national s...

Optimize secure IT infrastructures by providing hands-on support for Linux and Windows systems. Troubleshoot complex technical issues, ensuring compliance and availability in classified environments...

Support our dynamic team by managing complex systems and networks across multiple domains. Ensure operational continuity through effective system administration and collaborate to resolve issues effic...

Contribute to cybersecurity efforts by analyzing threats, enhancing incident response, and advising on strategic security decisions, all while collaborating with teams to uphold security standards and...

Grow your career with an opportunity to manage IT systems, providing critical support for troubleshooting, maintaining infrastructure, and enhancing system performance in a collaborative environment f...

Take ownership of mission-critical IT systems by providing support, troubleshooting, and maintenance for enterprise applications. Collaborate with teams to enhance infrastructure reliability and ensur...

Join a dynamic team driving IT system support for mission-critical enterprise applications. Develop and maintain infrastructure, ensuring security and reliability while enhancing operational efficienc...

Join a dynamic team in safeguarding critical information systems through proactive security measures, effective communication, and robust documentation. Mentor junior team members while enhancing oper...

Engineer robust information security practices to safeguard operational systems. Collaborate with teams to enhance system security, document cybersecurity measures, and ensure compliance with NIST sta...

Drive operational excellence in high-stakes IT environments, ensuring uptime and reliability through advanced troubleshooting and system optimization. Collaborate with diverse teams to address technic...

Contribute to high-stakes IT systems by maintaining uptime and performance. Engage in advanced troubleshooting and optimization for Windows and UNIX environments, ensuring mission success through quic...

Oversee complex IT systems and cloud services, ensuring robust infrastructure support and strategic management for FDA’s essential public-facing web presence, enhancing communication and operational e...

Elevate your career by providing critical Linux systems administration and support, ensuring operational excellence in mission-critical environments. Collaborate with a dynamic team while managing eff...

Lead the charge in maintaining secure, mission-critical IT systems by providing expert administration and troubleshooting for both Linux and Windows environments, ensuring optimal performance and comp...