UNIX System Administrator Jobs in Fairfax, VA

Optimize IT system performance by providing advanced troubleshooting and maintenance support across diverse technologies in mission-critical environments, ensuring reliable operations and effective us...

Drive your career forward by managing critical server operations and virtual environments. Utilize best practices for security and maintenance while collaborating on network designs and enhancing work...

Advance network and system administration through expert support of Windows, Linux, and virtual infrastructures. Collaborate on day-to-day operations, security, and automation to ensure optimal perfor...

Drive operational efficiency by streamlining workflows and automating systems. Contribute to a centralized team optimizing enterprise applications to enhance productivity and reduce operational overhe...

Drive operational excellence as a senior Linux systems administrator, optimizing and managing medical imaging systems. Collaborate with teams to enhance resilience, automate processes, and ensure reli...

Manage complex system administration in a secure cloud environment, ensuring robust operations while collaborating with a dynamic team. Drive system updates, enhance performance, and support infrastru...

Engage in advanced Linux/Unix systems administration within a dynamic NOC environment. Manage escalations, conduct troubleshooting, and maintain infrastructure reliability across multiple locations, e...

Join a team that's dedicated to maintaining and enhancing Linux/Unix environments through expertise in administration, troubleshooting, and proactive monitoring. Support critical operations while deve...

Support systems administration by monitoring, troubleshooting, and optimizing network performance across development, testing, and production environments while ensuring compliance with operational st...

Take ownership of advanced Linux/Unix systems administration in a 24x7 NOC environment, ensuring reliability, performing troubleshooting, and managing software packages across multiple locations for o...

Provide expertise to enhance cyber defense practices, focusing on security architecture, vulnerability assessments, and compliance. Collaborate on advancements in cloud environments and mobile data pr...

Join a team that's shaping the future by leading complex technical projects and programs. Drive system architecture design, integration, and performance with cutting-edge technologies while ensuring m...

Lead the charge in managing IT systems infrastructure, ensuring seamless operations, troubleshooting, and compliance while providing expert support for network devices and client/server solutions acro...

Shape your career by overseeing system administration and security operations while leveraging expertise in both cloud and on-premise environments to ensure optimal system performance and security com...

Join a team that's dedicated to optimizing IT systems while providing expert Tier 1 and Tier 2 support. Engage in troubleshooting, maintenance, and enhancements of server, network, and mobile devices...

Join a dynamic team to enhance IT systems management, support troubleshooting, and ensure operational excellence across a secure environment, optimizing performance and user experience while engaging...

Optimize IT systems through effective implementation, troubleshooting, and maintenance. Deliver daily operational support for diverse infrastructures while ensuring system reliability and performance...

Engineer enterprise IT solutions by providing advanced Tier III support, resolving complex technical issues, and ensuring system stability and security. Collaborate with teams to enhance user experien...

Help us ensure optimal system performance by providing Tier III support for complex IT incidents, managing user access, and upholding cybersecurity standards in a dynamic, enterprise-level environment...

Champion the administration and security of enterprise server environments, ensuring reliable operation of critical information systems while leading efforts in system modernization and troubleshootin...

Optimize IT support services by resolving technical issues for users, managing access and application administration, and ensuring timely problem resolution while maintaining security standards across...

Contribute to the optimization and management of operating systems, ensuring efficiency and reliability across diverse platforms. Engage in problem resolution and system design while supporting users...

Transform mission-critical systems as a Systems Administrator, ensuring the reliability and security of cloud infrastructures. Collaborate across teams to automate processes and enhance software deliv...

Join us to support critical Linux-based systems and ensure optimal performance across secure environments. Leverage your deep technical expertise to enhance infrastructure and process automation while...

Optimize system performance through collaborative Linux administration and PeopleSoft deployment, ensuring compliance with security standards while supporting high-impact projects in a fast-paced envi...