Application Administrator Jobs in Washington, DC

Shape the future by ensuring reliable platform infrastructure operations. Drive automation, streamline system management, and enhance security while collaborating with teams to troubleshoot issues and...

Join a team that's focused on providing operational support for a federal application, liaising with users and technical teams, and ensuring seamless application administration while managing stakehol...

Advance your career by managing and enhancing our PeopleSoft environment. You'll oversee installations, upgrades, and performance, ensuring seamless operations across development, test, and production...

Explore opportunities to manage and enhance IT systems, providing support for troubleshooting, maintenance, and user assistance. Collaborate with teams to optimize operations and ensure performance me...

Deliver exceptional support and reliability in system administration for mission-critical telecommunications, ensuring security and operational continuity across 24/7 environments through proactive mo...

Join a team that's dedicated to maintaining mission-critical IT infrastructure. You'll ensure system reliability and security through proactive monitoring and troubleshooting, contributing directly to...

Unlock your potential by managing infrastructure and security automation, ensuring smooth operations, compliance, and system optimization while supporting continuous integration in a dynamic, collabor...

Lead a dynamic team in managing critical hybrid cloud and client/server systems. Ensure security, performance, and seamless operations of business applications while collaborating with users and vendo...

Drive the performance and maintenance of IT systems. Support users and teams in a dynamic environment, ensuring reliability across cloud, Linux, and Windows systems. Tackle technical issues with profi...

Empower a dynamic IT environment by providing hands-on support and maintenance for systems. Collaborate to troubleshoot issues, enhance performance, and optimize technologies across both Linux and Win...

Join a team that's driving innovation in systems administration, supporting diverse technologies including systems, networks, hardware, VMs, and GPUs, while ensuring operational excellence and securit...

Unlock potential by leveraging your IT Systems Engineering expertise to ensure efficient performance across Windows and Linux environments. Play a key role in supporting system integration and optimiz...

Empower the efficiency of IT systems through expert administration and support. This role focuses on troubleshooting, operations, and management of network devices, ensuring optimal performance and pr...

Optimize enterprise cloud infrastructures by managing system performance, security, and maintenance. Collaborate within a multi-functional team to ensure reliable operations and implement solutions in...

Champion advanced engineering solutions to enhance SIGINT production while supporting daily operations and customer requirements in a dynamic environment focused on cutting-edge technology and innovat...

Develop engineering solutions to enhance SIGINT production globally, managing requirements and deployments across high-speed access systems. This role demands ten years of systems administration exper...

Optimize IT system operations and maintenance while providing Tier 1 and Tier 2 support. Manage tasks related to client/server/storage/network devices with a focus on reliability and performance in a...

Optimize IT systems by troubleshooting, maintaining infrastructure, and supporting users. Collaborate with teams to enhance server performance and operations, ensuring reliable and efficient server ma...

Manage, optimize, and secure mission-critical applications in classified environments, ensuring operational reliability and compliance while utilizing cloud-native technologies and container orchestra...

Unlock potential by managing virtual environments, configuring storage systems, and delivering technical presentations to senior management, ensuring efficient IT operations and robust system performa...

Engage with innovative technologies to support and optimize Linux and mixed environments. Ensure secure, efficient operations through hands-on system administration and automation solutions, fostering...

Join a dynamic team as a Systems Administrator, managing secure Linux and mixed environments to support critical DoD missions. You'll oversee automation, virtualization, and operational sustainment fo...

Join a team that's dedicated to enhancing system performance and reliability. Leverage your expertise in system engineering and collaborate with a focused group that values innovation and user interac...

Optimize the performance and security of multi-user computer systems while managing resources and user accounts to ensure efficient operations. Collaborate with teams to enhance system functionality a...

Lead the charge in administering Microsoft 365 services, implementing compliance solutions and managing configurations in a large federal environment to ensure secure and efficient collaboration acros...