UNIX System Administrator Jobs in Fairfax, VA

Elevate your career as a Senior IT Analyst, fostering client relationships, assessing satisfaction, and applying IT auditing frameworks to enhance operational effectiveness within a collaborative team...

Lead the charge in developing and implementing innovative Utility Cloud Services, ensuring seamless integration with C2S platforms and supporting enterprise-wide software solutions, while maintaining...

Join a team that's pioneering cybersecurity engineering strategies in plant design. Leverage your technical expertise to enhance security systems while collaborating with cross-functional teams to add...

Lead the efficient operation and management of a wastewater treatment facility, overseeing plant performance, personnel, and compliance with regulatory standards while ensuring high-quality service de...

Unlock your potential by designing and maintaining enterprise data ingestion pipelines. Collaborate on modernizing legacy systems, ensuring secure integrations, and enhancing data governance in a dyna...

Make your mark at the forefront of global benefits administration. Drive day-to-day operations, strategic optimization, and compliance of employee benefits programs in diverse international markets, e...

Transform mainframe environments by leading optimization initiatives and program delivery. Leverage technical expertise and consultative skills to improve client operations, guiding teams through comp...

Grow your career with our team by providing expert IT support for clients. Manage personal computers and network systems, lead training efforts, and respond to helpdesk requests while enhancing system...

Accelerate software integration processes by implementing cutting-edge COTS/GOTS solutions. Collaborate in a dynamic environment to enhance system performance and documentation for complex, multi-plat...

Engage your technical skills as you manage IT system infrastructure, ensuring optimal functioning of server, storage, and network devices while providing timely support for operational challenges in a...

Elevate your career as a Systems Administrator, providing vital IT system support, troubleshooting, and maintenance, while enhancing operational efficiency for diverse technologies in a dynamic enviro...

Accelerate your career by leading a talented team of presales systems engineers, supporting key Federal sales initiatives and driving impactful strategies within the Department of Defense sector. This...

Join us to develop future combat systems by integrating sensors and weapons, enhancing operational effectiveness, and promoting cross-service interoperability for evolving military capabilities...

Lead teams in end-to-end hardware installations and troubleshooting, managing network configurations and complex technical issues. Guide training for technicians and ensure compliance with operational...

Take ownership of administration and data integrity for Command Aware systems, ensuring efficient tactical communications and coordination across teams. Collaborate on large-scale data updates while m...

Deliver reliable, scalable cloud infrastructure while automating CI/CD processes for healthcare applications. Collaborate with development teams to enhance deployment pipelines and strengthen system s...

Transform cloud strategies by providing technical leadership in DevOps and platform engineering. Define best practices for Azure-based infrastructure, automation, and data integrations while mentoring...

Join us to perform vital systems engineering functions that shape the design, performance, and integration of cutting-edge systems, ensuring alignment with strategic goals and customer needs throughou...

Lead the engineering scope for data centers, overseeing lifecycle engineering and construction support. Collaborate with cross-functional teams, drive technical excellence, and manage incidents and ch...

Join a team that's empowering public sector operations through advanced analytics, simulation, and optimization techniques. Enhance decision-making and optimize performance with your expertise in Oper...

Join a dedicated team to develop and implement software solutions supporting incident response for civil government agencies experiencing cyber threats. Engage in end-to-end software enhancements, tro...

Transform HPC systems testing through validation and compliance with requirements. Collaborate with teams to develop and execute robust test plans, applying advanced technical skills and methodologies...

Lead the charge in validating HPC systems through rigorous testing and analysis, ensuring compliance with system requirements. Collaborate in a dynamic environment while contributing your expertise in...

Champion technical excellence by providing Tier 1 and 2 support, diagnosing and resolving issues, and ensuring user compliance with PKI tools in a dynamic environment. Ideal for seasoned Systems Admin...

Drive project success by managing multiple medium to large-scale commercial HVAC projects. Ensure timely delivery within budget while handling key operational tasks such as vendor pricing, logs, corre...