IT Security Administrator Jobs in Herndon, VA

Lead the charge in managing, securing, and automating enterprise-level Linux systems, ensuring compliance and performance in a high-stakes government environment using VMware and Ansible tools...

Advance enterprise IT systems reliability by implementing, troubleshooting, and maintaining infrastructure. Support daily operations while optimizing performance in a collaborative, mission-critical e...

Take ownership of DLA's Okta environments, ensuring stable operation through planning, development, and optimization. Engage in end user support, conduct training, and guide on technology direction to...

Join a team that drives the operational excellence of data center services. Lead complex support initiatives, mentor staff, and improve processes to enhance performance across regions while ensuring r...

Support and safeguard our secure IT systems and infrastructure, ensuring high reliability and compliance within a mission-critical environment. Drive technical excellence by troubleshooting, managing...

Tackle complex IT challenges as a Systems Administrator, ensuring secure, reliable server and user environments in high-stakes settings. Bridge operations and applications while maintaining strict com...

Join our team to provide critical system administration solutions, optimizing infrastructure and managing virtual servers, while collaborating with cross-functional teams to meet user capacity and per...

Elevate your career by managing intricate network systems, solving complex connectivity issues, and optimizing performance for critical operations. Join us in enhancing infrastructure and ensuring cyb...

Drive technical leadership by overseeing Windows systems administration for mission-critical environments, ensuring operational excellence while providing Tier 2 and 3 support and managing a skilled t...

Shape compliance initiatives by leading SOC reporting and risk assessments, ensuring alignment with regulatory standards. Collaborate with teams across the organization to manage vendor risks and enha...

Transform executive IT support delivery across multiple campuses, ensuring high-level service excellence and security compliance for senior leadership. Lead strategic initiatives, manage substantial b...

Shape enterprise IT infrastructure for the DOD by administering systems, enhancing security, and ensuring optimal network performance while collaborating in a dynamic team environment to achieve missi...

Optimize cybersecurity frameworks by leading incident resolution, monitoring, and engineering support. Design innovative solutions that ensure operational efficiency and compliance, while mitigating r...

Champion cybersecurity solutions for government systems, enhancing security measures and incident response management while driving innovative IT strategies for compliance with evolving policies and r...

Partner with us to enhance database management systems ensuring optimal performance, security, and data integrity while coordinating user requirements and system modifications in a complex environment...

Empower security initiatives by leading information assurance efforts, ensuring compliance through thorough assessment, coordination, and documentation of security processes. Collaborate with stakehol...

Join a dynamic team to monitor, maintain, and support IT and electronic security systems for various clients while providing Tier 1 helpdesk assistance and ensuring compliance with system standards. F...

Elevate security protocols by leveraging 12+ years of experience in information assurance. Lead compliance initiatives while managing complex programs, ensuring robust protection of critical data acro...

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...

Empower our security framework by executing incident response and optimizing security controls, ensuring robust protection across global environments. Collaborate with engineering and operations teams...

Unlock potential by leading a dynamic team of security professionals, ensuring the safety of critical operations and personnel in a high-stakes environment while exceeding operational efficiency and c...

Reimagine the future of technology as you lead architectural designs for complex, scalable systems. This role focuses on establishing standards and ensuring compliance for enterprise technologies in a...

Take ownership of network services administration, ensuring robust governance, scalability, and security compliance across operational environments while advising leadership on modernization strategie...

Grow your career as a key contributor to system optimization, supporting Linux and Windows administration while ensuring compliance and efficiency. Collaborate effectively within a team-focused enviro...

Pioneer modern network security by leading a dedicated team to create automated, identity-aware policies in a cloud-native fintech environment, enhancing protection of sensitive financial data across...