Network Security Administrator Jobs in Fairfax, VA

Champion secure DevSecOps practices and manage scalable infrastructure to support healthcare and defense initiatives. Leverage technical expertise in a fast-paced environment that demands proactive pr...

Optimize IT system performance by managing Microsoft Identity Manager and SQL environments. Collaborate in troubleshooting, maintenance, and configuration to ensure data integrity and enhance user exp...

Manage the engineering and support of network and unified communications systems. Collaborate with stakeholders to ensure seamless service delivery while maintaining and optimizing LAN/WAN infrastruct...

Champion security engineering to enhance Cisco IT's compute and AI infrastructure. Collaborate with cross-functional teams to enforce security policies, modernize systems, and strengthen incident resp...

Lead the charge in optimizing and securing a robust Windows environment, enhancing system performance and collaboration. Your expertise will directly contribute to crucial national security efforts in...

Elevate IT operations by leading and optimizing corporate infrastructure and cybersecurity efforts while ensuring compliance with federal standards and mentoring a high-performing team to deliver seam...

Optimize IT systems by providing critical support for implementation, troubleshooting, and maintenance, while managing complex infrastructures. Drive daily operations and user assistance, ensuring sea...

Provide support for IT system implementation, troubleshooting, and maintenance. Engage in daily operations, problem resolution, and user assistance across various IT infrastructure, ensuring optimal p...

Oversee IT support and administration for Windows/Linux environments in an air-gapped setting, ensuring reliable systems and efficient ServiceNow integration, while collaborating with a team to meet c...

Transform the network infrastructure with innovative engineering and operational support. Optimize security, resilience, and reliability while driving compliance with federal standards in a dynamic en...

Shape the future of cybersecurity by ensuring compliance and managing security controls for DoD cloud migration projects while collaborating on risk management and security assessments for cloud-based...

Transform cybersecurity practices as an Intrusion Analyst, focusing on deep network analysis to identify malicious activities. Contribute to mission success by applying your expertise in malware analy...

Manage the operational integrity and security of dynamic network systems. This role involves monitoring performance, responding to incidents, and guiding operational policy, ensuring mission-critical...

Join us as a Network Operations System Administrator to ensure the security, performance, and availability of critical network systems, driving efficiency through analytics and incident response in a...

Optimize security operations by monitoring critical events and providing real-time analytics to ensure safety and effective crisis management while fostering key relationships with stakeholders for su...

Transform enterprise security operations by leading the Special Access Program (SAP) security team, ensuring compliance and strategic oversight to protect vital assets while fostering collaboration ac...

Unlock potential by joining our team of Cybersecurity Engineers dedicated to safeguarding enterprise systems, supporting mission-critical operations, and enhancing cybersecurity measures in dynamic, r...

Optimize security and efficiency in CI/CD workflows and infrastructure automation. Support hybrid cloud environments with containerized delivery practices, enhancing existing engineering capabilities...

Oversee the development and security compliance of SCIFs, ensuring adherence to national standards while collaborating with cross-functional teams to enhance overall facility security operations and p...

Explore a senior role focused on modernizing cybersecurity for federal clients, driving secure adoption of cloud and emerging technologies while ensuring compliance and effective risk management throu...

Shape the future of technology by leading systems engineering efforts that drive innovative solutions. Collaborate with cross-functional teams and guide the integration of complex systems while ensuri...

Drive the design and implementation of CyberArk PAM solutions, collaborating with cross-functional teams to ensure secure management of credentials and privileged access across federal applications an...

Drive the implementation of Zero Trust security measures across multi-level networks, ensuring robust access controls and network segmentation. Collaborate with teams to safeguard mission-critical dat...

Join a team that champions enterprise-scale AI security solutions, focusing on authorization, risk management, and Zero Trust architectures to ensure robust compliance and security across diverse oper...

Shape the future of our AI Advisory Services by managing diverse projects, ensuring timely delivery, and fostering client relationships. Your leadership will drive operational excellence and financial...