UNIX System Administrator Jobs in Yorktown, VA

Oversee the management of databases on z/OS while providing technical development support for a Department of Defense customer. Collaborate with teams to modernize and maintain intricate mainframe sys...

Advance operational technology systems for data center infrastructure, ensuring reliability, security, and scalability while collaborating cross-functionally to optimize processes and compliance withi...

Contribute to the efficiency and reliability of critical facility systems, ensuring optimal performance through hands-on maintenance and collaboration with operations and project teams in a dynamic AI...

Join our team as you lead the management of Mainframe and Distributed Data Center Operations, ensuring high service delivery, optimizing processes, and enhancing client relationships across global tea...

Manage IT infrastructure by designing, implementing, and supporting systems to ensure performance, security, and reliability. Collaborate with teams to enhance operations and mentor junior staff, whil...

Advance technical excellence in naval ship design by providing critical support across all phases of ship acquisition. Leverage your vast engineering expertise to conduct thorough analyses, manage del...

Drive the management and support of Cloud Infrastructure for application portfolios, ensuring high availability and reliability. Collaborate with global teams to provide operational support and implem...

Champion advanced GPU and AI networking deployments, leading a dynamic team to operationalize cutting-edge technologies. Drive customer-focused solutions while mentoring engineers and managing complex...

Drive strategic technology solutions for complex federal accounts, engaging with senior leaders to create impactful roadmaps that align with military and civilian missions, while ensuring security com...

Advance your career by serving as a trusted technical advisor for complex government accounts, driving mission-aligned technology strategies and executing impactful account plans in a highly regulated...

Elevate your career by managing Oracle Fusion Middleware projects. Own deployments, configurations, and troubleshooting in a dynamic environment, ensuring effective operations and support for vital co...

Lead the design and implementation of Infrastructure as Code while managing Red Hat Linux systems. Collaborate within a dynamic environment to optimize automation, ensure security compliance, and ment...

Shape the future of software delivery by ensuring reliability, security, and automation in our GitHub environment. Collaborate with engineering teams to enhance developer experience while enforcing co...

Join the charge in optimizing IBM z/OS systems. You'll install, maintain, and troubleshoot mainframe operations, collaborate with teams, and drive enhancements to ensure peak performance and reliabili...

Elevate project management through expert Procore system administration, ensuring data integrity, user training, and optimal integration with enterprise systems to drive operational excellence in cons...

Transform processes through expert ERP administration and support, leveraging deep Deltek Costpoint knowledge to enhance functionality, troubleshoot issues, and drive system improvements while collabo...

Elevate employee experiences by leading the design and implementation of integrated HR Service Delivery solutions leveraging ServiceNow and Microsoft technologies...

Empower program success by managing daily operations and documentation for a key transformation initiative, coordinating across teams, maintaining accurate records, and supporting financial and admini...

Elevate enterprise security by leading complex investigations and enhancing SOC processes. You'll independently improve detection strategies and operational metrics while mentoring junior analysts in...

Drive operational excellence by managing Server/Core Switch configurations, integrating systems, and troubleshooting issues to ensure a robust network environment that meets client needs across multip...

Drive day-to-day operations of Azure and Microsoft 365 services, ensuring optimal performance, incident management, and compliance with service levels while supporting service transitions and maintena...

Lead the charge in managing multi-cloud infrastructure, guiding a team of engineers in design, implementation, and optimization of cloud solutions across AWS, GCP, and Azure while ensuring security an...

Explore a pivotal role where you'll design and implement secure, scalable cloud solutions with Microsoft technologies, collaborating with cross-functional teams to drive mission success in a dynamic f...

Lead the development and maintenance of database tools to enhance inventory and maintenance tracking for naval operations, ensuring compatibility with Navy systems and effective data analysis for oper...

Join us in shaping the future of our AI infrastructure! Leverage your expertise to build and scale our cloud systems, ensuring reliability and security as we meet the demands of enterprise clients and...