IT Security Administrator Jobs in Chantilly, VA

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...

Join us to provide Tier II technical support for enterprise virtualization, focusing on VMware technologies. You will troubleshoot advanced incidents, ensure system stability, and collaborate with tea...

Engage with us to ensure the optimal performance of geospatial systems by providing critical technical support and administration, enhancing operational uptime, and driving the innovation necessary fo...

Manage and secure Linux systems in a classified environment, supporting network infrastructure, automating tasks, and ensuring compliance through vulnerability remediation and patching...

Transform the landscape of cyber security by applying your expertise to safeguard information systems. Ensure robust security design and implementation across all phases of the system development life...

Shape the future of mission-critical systems by providing Linux admin support, ensuring smooth operations and system integrity through expert troubleshooting and management in a dynamic, collaborative...

Play a key role in supporting the setup and integration of a COTS access system, collaborating across teams to ensure operational readiness, system compatibility, and compliance while driving developm...

Join us to sustain a large-scale Linux environment, ensuring its reliability and security while managing software installations, daily operations, and enhancements to support a critical mission and it...

Elevate cloud security by designing and implementing robust measures, enhancing zero-trust access controls, and optimizing SASE frameworks across AWS, GCP, and Azure environments while mentoring junio...

Empower critical IT operations by managing enterprise application infrastructure, ensuring reliability and security. Collaborate with teams to enhance system capabilities and support modernization eff...

Elevate the efficiency and performance of IT systems supporting critical applications through expert troubleshooting, maintenance, and collaboration with engineering teams to enhance infrastructure ca...

Join a dynamic team to enhance our network infrastructure while ensuring its performance and security. Utilize your extensive experience in administration and troubleshooting to lead network projects...

Deliver effective IT system support and ensure optimal performance through troubleshooting, problem resolution, and management of infrastructure and operations in a dynamic environment, enhancing clie...

Help us enhance our federal enterprise by managing Microsoft 365 and Azure systems. You'll lead migrations, administer identities, and automate tasks while ensuring security and compliance in a hybrid...

Unlock your potential by managing IT systems with a focus on troubleshooting, implementation, and maintenance. Enjoy a breadth of responsibilities while supporting internal customers and optimizing sy...

Join us to lead the charge in advancing systems architecture and cloud solutions, ensuring robust security and compliance. Collaborate across platforms to optimize performance and drive innovative tec...

Transform the approach to mission-integrated security by developing and implementing robust safety protocols, monitoring systems for vulnerabilities, and ensuring compliance with assessment requiremen...

Join a team that's dedicated to supporting critical government operations through secure, high-performance computing. Utilize your expertise to provide comprehensive Tier 1-3 support in a cloud infras...

Shape the future of enterprise security by designing and managing network security systems across cloud and hybrid environments. Collaborate with teams to enhance security protocols and respond to inc...

Empower the efficient operation of multi-user systems as you manage resources, implement security measures, and evaluate vendor products to enhance performance, all while collaborating with a team ded...

Join a dynamic cybersecurity team making a significant impact on DoD operations. Leverage your expertise in information assurance and risk management to enhance information system security across mult...

Oversee and optimize network infrastructure, ensuring performance, security, and availability. Collaborate with teams to address complex issues and implement cutting-edge technologies while providing...

Reimagine network administration by ensuring optimal performance, security, and reliability of network systems. Collaborate cross-functionally while maintaining infrastructure that supports critical s...

Discover innovative solutions as a Mid-Level System Administrator, supporting IT systems with implementation, troubleshooting, and maintenance while optimizing operations across diverse environments a...