Senior Windows Administrator Jobs in Arlington, VA

Join our team as a Senior Application Support Engineer to ensure seamless operations and drive continuous improvements. You'll optimize business applications, facilitate transitions, and enhance servi...

Innovate your career with a senior engineering role focusing on VMware and storage solutions, responsible for installation, configuration, maintenance, and optimization across various regions to enhan...

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

Join a team that's at the forefront of enhancing productivity and collaboration through Microsoft 365 solutions. You'll leverage your technical expertise and leadership skills to drive impactful initi...

Lead the charge in optimizing contact center operations, ensuring compliance and enhancing customer satisfaction. Drive cross-functional teams to deliver effective projects that meet federal standards...

Transform the customer experience by leading vital contact center projects. Oversee operations, ensure regulatory compliance, and drive cross-functional collaboration to enhance performance and custom...

Grow your career by architecting resilient, zero-downtime systems for real-time AI trading infrastructure, ensuring operational excellence in a high-stakes financial environment where reliability is p...

Analyze and support enterprise network operations within a DoD environment. Utilize advanced monitoring tools to enhance network performance and compliance, maintaining critical infrastructure and ens...

Manage complex system administration in a secure cloud environment, ensuring robust operations while collaborating with a dynamic team. Drive system updates, enhance performance, and support infrastru...

Engage in leading-edge DevSecOps initiatives to optimize and secure enterprise-wide data integration, enhancing operational resilience across multi-domain classified environments. Drive innovation in...

Advance your career by leading testing initiatives for the War Data Platform, ensuring robust verification and validation processes across classified environments, and enhancing system resilience thro...

Elevate your career as a Senior Testing Lead, driving test strategy and automation maturity for a critical warfighting data platform initiative. Oversee the full lifecycle of verification and validati...

Champion testing excellence as you lead integrated verification for a major DoW initiative, driving strategies and frameworks across secure environments to bolster mission readiness and system resilie...

Transform the healthcare infrastructure for Veterans by leading modernization initiatives. Collaborate with diverse teams to design secure, scalable solutions and ensure compliance with federal standa...

Contribute to our analytics vision by delivering actionable insights and dashboards that empower health systems to optimize provider hiring and credentialing, while collaborating closely with sales te...

Shape the future of national security as a Senior Software Developer, designing and optimizing systems-level software for critical cyber operations and cloud environments. Collaborate with experts to...

Optimize cybersecurity solutions by engineering secure networks and enhancing compliance. Collaborate with experts to support both classified and unclassified environments while ensuring top-notch sec...

Engage with us to enhance network security. You'll design, implement, and secure our enterprise network infrastructure while serving as a key technical resource. Collaborate with cross-functional team...

Grow your career with hands-on management of unified communications and IT infrastructure, supporting vital services for over 120,000 users across diverse DoD sites. Drive collaboration and enhance pe...

Drive advanced network solutions, ensuring optimized performance and security across diverse cloud and data center environments while mentoring teams and automating key processes...

Grow your career with a dynamic team, engaging in the full software development lifecycle to enhance and maintain cutting-edge DNA software solutions while collaborating with global teams to deliver i...

Shape the future of data operations by managing, analyzing, and ensuring quality across multiple platforms, while resolving issues collaboratively in a dynamic environment that drives business success...

Join a team that's dedicated to maintaining and optimizing SQL Server environments, ensuring high availability and performance while collaborating with developers on database solutions and incident re...

Shape the future of national security by enhancing cloud infrastructure and CI/CD practices. Collaborate with teams to improve GEOINT data access and streamline deployments while working in a dynamic...

Shape the future of cybersecurity by managing secure cloud engagement kits, ensuring rapid deployment and real-time support to enhance the operational readiness of federal agencies during cyber incide...