Senior Windows Administrator Jobs in Alexandria, VA

Engineer robust enterprise infrastructure solutions, ensuring optimal system performance and capacity. Collaborate with teams to develop network designs, enhance system capabilities, and address compl...

Manage and enhance Microsoft Windows environments, ensuring seamless operations and robust security. Collaborate with teams to optimize and troubleshoot systems while supporting a wide range of admini...

Empower the Mission LAN by managing systems administration, ensuring seamless operations, security compliance, and enhanced functionality. Drive innovation through technical expertise while collaborat...

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...

Altus Consulting is looking for a detail-oriented Systems Administrator to manage and maintain IT infrastructure, ensuring its stability and security. The role involves installing and configuring syst...

Transform IT systems management by overseeing infrastructure operations, ensuring compliance, and troubleshooting for optimal performance. Collaborate with teams to maintain security protocols and enh...

Empower innovation by leading Windows Administration in a secure DoD environment. Drive endpoint management, compliance, and technical initiatives with minimal supervision, ensuring security and effic...

Support core Intelligence Community missions as a part of a team protecting against cyber adversaries, providing high-performance computing services while ensuring operational excellence and system in...

Drive innovative solutions by leading the design, development, and maintenance of a modern DevOps architecture to enhance software reliability, security, and performance. Collaborate within a dynamic...

Join a team that's evolving infrastructure to enhance system performance and security. Lead initiatives to design and maintain dynamic cloud architecture, ensuring optimal operations while supporting...

Empower critical mission operations by designing and optimizing VMware and storage infrastructure. Collaborate with teams to maintain, troubleshoot, and enhance virtualization technologies across dive...

Join a dynamic engineering team to enhance Windows OS sensor solutions, tackling complex challenges, optimizing systems, and ensuring high-quality project delivery through collaboration and technical...

Join a team that oversees enterprise systems infrastructure, ensuring operational excellence and system security. Engage in hands-on administration, monitoring, and automation to support high-availabi...

Empower operations as a System Administrator for MODES III, managing AWS and on-prem cloud systems. Ensure system security, availability, and performance while collaborating with DevOps teams to suppo...

Lead the charge in systems administration, ensuring optimal performance of OpenText solutions while providing expert support and guidance on technology and client interactions in a dynamic environment...

Transform IT operations by managing and optimizing systems administration, desktop/server management, and IT infrastructure support. Ensure seamless performance and troubleshooting of client/server/st...

Unlock potential by designing and maintaining Windows infrastructure and cybersecurity platforms. This role drives endpoint security operations, ensuring threat detection, compliance, and system perfo...

Elevate server performance by designing, implementing, and maintaining secure, enterprise-level server infrastructure, leveraging virtualization, automation tools, and best practices for efficiency an...

Lead the charge in engineering resilient Windows server environments for mission-critical operations, ensuring secure patch management and lifecycle support across diverse network settings while colla...

Lead and enhance Windows-based systems while fostering innovation in AI. Collaborate with teams to optimize performance, troubleshoot issues, and implement cutting-edge technologies. Make a significan...

Elevate your career by joining a skilled team to manage and optimize network systems. This role focuses on installation, maintenance, and troubleshooting, ensuring secure and efficient operations with...

Engage in designing and developing complex IT infrastructure solutions, ensuring effective performance and compliance while collaborating with teams to enhance cloud capabilities and best practices wi...

Collaborate to design and develop IT infrastructure solutions, coding and testing technology platforms. Monitor performance metrics and maintain operating procedures for seamless operations and improv...

Join a team that's committed to innovative solutions and critical operations. Bring your expertise as a skilled Systems Administrator, where your knowledge will impact pivotal projects for national se...

Transform infrastructure management by delivering automated solutions, ensuring compliance, and optimizing security measures. Collaborate across teams to maintain system integrity and performance, dri...