IT Infrastructure Administrator Jobs in Fairfax, VA

Execute the daily configuration and operations of systems, encompassing comprehensive management in clinical technology to enhance performance and support users effectively in a fast-paced environment...

Take ownership of critical IT systems by providing top-tier technical support, diagnosing issues, and managing system infrastructure, ensuring optimal performance and reliability in a dynamic environm...

Lead the charge in maintaining robust enterprise network infrastructure by ensuring reliability, security, and performance. Collaborate across teams, diagnose issues, and support IT operations in a hy...

Provide comprehensive technical support for systems and network troubleshooting while mentoring junior staff and ensuring efficient operation of cloud infrastructure. Engage with users to resolve issu...

Develop your expertise in technical support as you troubleshoot network, desktop, and systems issues. Engage with users worldwide, ensuring cloud infrastructure reliability, while mentoring less-exper...

Lead mission-critical systems support as a TAK Operations Specialist. Ensure seamless deployments, maintain system reliability, and enhance operational decision-making through expert administration an...

Join a team that supports critical cyber operations and enterprise IT for the Army National Guard. Leverage your skills to maintain system performance, ensure compliance, and contribute to mission rea...

Support critical cybersecurity operations by executing Risk Management Framework activities, ensuring compliance for information systems across classified and unclassified environments, and collaborat...

Transform enterprise BI platforms through optimization, security, and cloud integration. This role demands operational excellence in MicroStrategy administration, ensuring high-performance systems and...

Take ownership of DLA's Okta environments, ensuring stable operation through planning, development, and optimization. Engage in end user support, conduct training, and guide on technology direction to...

Join a team that's dedicated to providing top-tier support for critical systems. Engage in troubleshooting and technical assistance while enhancing your skills and coaching others within a dynamic, se...

Transform your technical support skills by providing exceptional troubleshooting for systems and network hardware, while coaching junior team members and supporting global user environments in a secur...

Join a dynamic team to enhance education and training applications through Life Cycle Sustainment activities, maintaining and optimizing hybrid Windows/Linux systems while embracing cloud technology a...

Optimize mission-critical IT systems while ensuring secure, reliable operations. Collaborate with cross-functional teams to implement change management and address vulnerabilities in a federal environ...

Engage in maintaining and configuring computer systems, providing TIER 1/2/3 support for Linux/Windows environments, and ensuring reliable operations of IT systems while coordinating with users and op...

Grow your career with us! As an IT Systems Administrator, you'll manage end-user technology, SaaS platforms, and core IT systems to ensure security and efficiency. Collaborate with teams to enhance pr...

Join our team to engineer and support innovative solutions in a Windows environment, enhance system deployment, and improve network operations while collaborating with various teams to ensure seamless...

Champion secure infrastructure in mission-critical environments through hands-on management and support of Linux and Windows systems, ensuring seamless operations and compliance for vital intelligence...

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...

Shape enterprise IT infrastructure for the DOD by administering systems, enhancing security, and ensuring optimal network performance while collaborating in a dynamic team environment to achieve missi...

Lead day-to-day IT administration, enhancing infrastructure and cybersecurity initiatives while collaborating with engineering teams to streamline operations and drive technical solutions for organiza...

Launch your career with a dynamic role managing IT infrastructure, supporting end-user technology, and enhancing system efficiency through innovative solutions and best practices in a collaborative en...

Empower your career by sustaining and enhancing a vital Windows infrastructure. Collaborate with cross-functional teams to resolve complex system issues, enhance security, and optimize operations whil...

Shape the future of cloud systems by supporting RedHat Linux virtual machines, implementing security updates, and collaborating with teams to enhance system performance. Play a pivotal role in ensurin...

Grow your career with a dynamic team in this critical role, enhancing and securing enterprise Linux systems while leveraging automation and cloud technologies to improve operations and support nationa...