Senior Linux Administrator Jobs in Arlington, VA

Join a team that's pivotal in managing secure messaging systems for defense. Oversee daily operations, enhance high-availability solutions, troubleshoot incidents, and ensure seamless communication ac...

Support large-scale Linux systems by managing installations, operations, and security. Engage in troubleshooting, optimizing performance, and ensuring system integrity while providing Tier 1 and Tier...

Advance your career by managing a complex network environment, ensuring optimal system performance, and solving hardware/software issues efficiently while supporting end users and maintaining document...

Lead system administration efforts for a complex, distributed network, ensuring optimal performance and security. Collaborate with users and technical teams to resolve issues and maintain documentatio...

Transform complex systems into streamlined solutions by managing requirements, developing documentation, and collaborating across teams to ensure operational excellence and compliance with security st...

Unlock potential by managing system requirements and developing engineering documentation for complex systems. Collaborate across disciplines to ensure compliance and enhance operational capabilities...

Unlock potential by designing and optimizing enterprise data solutions in a Databricks Lakehouse environment, supporting critical missions with a focus on scalability and best practices...

Join a dynamic team to lead and maintain critical IT systems for enterprise applications, ensuring security, reliability, and performance while mentoring others. Drive modernization efforts and suppor...

Engage in server installations and support, ensuring optimal performance and security. Collaborate with teams to manage logistics and technical documentation while troubleshooting complex issues in a...

Manage and optimize IT systems, providing Tier 1 and Tier 2 support. Collaborate on troubleshooting, maintenance, and configuration of diverse operating systems and devices, ensuring seamless operatio...

Drive the support and maintenance of IT systems, ensuring optimal performance and user assistance. Manage daily operations, troubleshoot issues, and enhance system reliability across various platforms...

Optimize clinical information systems by supporting maintenance, troubleshooting, and user administration. Collaborate with medical staff to enhance application functionality and ensure seamless opera...

Elevate your career by managing and securing Microsoft 365 environments. Collaborate with teams to implement security measures, administer user access, and ensure compliance while driving operational...

Unlock potential by managing IT systems and cloud infrastructure, providing technical support, and ensuring cybersecurity compliance. Collaborate on Microsoft 365 and Azure environments while enhancin...

Join a dynamic team to develop and oversee IT operations, ensuring compliance and supporting government initiatives. You will enhance systems, manage security protocols, and provide technical support...

Optimize enterprise systems by managing and troubleshooting network, server, and storage infrastructure. Collaborate on upgrades, cybersecurity, and user support while maintaining documentation and en...

Lead complex system engineering initiatives to ensure effective requirement management, integration, and documentation. Foster collaboration with stakeholders while driving lifecycle management and te...

Transform complex software systems by developing, maintaining, and enhancing diverse applications. Collaborate with teams to analyze requirements, debug software, and integrate solutions, ensuring adh...

Join a team that's developing innovative software solutions for complex systems. Collaborate on diverse projects, enhance existing applications, and ensure high-quality performance while adhering to d...

Join a team that's dedicated to optimizing network security through expert management of PaloAlto firewall infrastructure. You'll ensure performance, security, and availability while providing critica...

Transform IT systems management by providing expert support, troubleshooting, and maintenance. Collaborate with teams to optimize operations, enhance security, and ensure compliance while managing div...

Optimize secure network infrastructure for mission-critical operations, ensuring compliance and operational readiness. Collaborate with teams to enhance security posture and maintain high-performance...

Help us ensure the reliability and performance of critical IT systems by managing infrastructure, providing support, and collaborating on modernization efforts to enhance enterprise applications and s...

Support mission-critical systems by administering and optimizing Linux infrastructure, implementing automation, and ensuring security compliance in a dynamic environment. Collaborate with teams to tro...

Join a dynamic team as you support and optimize IT systems in complex enterprise environments. Leverage your expertise in Linux, HPC, and advanced networking to enhance mission-critical infrastructure...