Senior Windows Administrator Jobs in Fairfax, VA

Empower our Platform Engineering team as you enhance infrastructure tools and scalability, driving automation and reliability. Collaborate with cross-functional teams to support innovative solutions a...

Take ownership of demand generation for our North America commercial and mid-market segment, leading integrated campaigns and account-based strategies to drive pipeline growth and revenue impact throu...

Develop and maintain secure Windows/Linux server environments while facilitating operational excellence in cloud infrastructure. Collaborate on automation solutions to enhance infrastructure capacity...

Deliver high-impact cost management solutions as a Senior Cost Manager overseeing large-scale data center projects. Collaborate closely with clients, lead negotiations, and ensure accurate financial r...

Lead project success by delivering high-value cost management services on a major data center project. Collaborate closely with clients, contractors, and teams to ensure accurate estimates, effective...

Engage in complex cost and change management for high-stakes data center projects. Lead client interactions, coordinate multidisciplinary teams, and ensure best-in-class service delivery while navigat...

Support day-to-day cost management for large-scale data center projects. Collaborate with clients and contractors, leading multi-phase construction cost activities while mentoring junior staff in a dy...

Join a team that's dedicated to applying systems engineering principles across the full lifecycle, ensuring technical integrity and quality in an environment focused on collaboration with government a...

Champion technical excellence by providing Tier 1 and 2 support, diagnosing and resolving issues, and ensuring user compliance with PKI tools in a dynamic environment. Ideal for seasoned Systems Admin...

Accelerate progress at the FAA by enhancing and integrating ServiceNow capabilities, optimizing workflows, and fostering seamless system interoperability to meet strategic objectives and support criti...

Lead high-value cost management for a major data center project, ensuring successful client interactions and project delivery. Collaborate with teams to provide expertise in estimating and cost planni...

Drive innovative AI/ML solutions as a DevOps Engineer, streamlining system processes and enhancing data infrastructure across diverse channels. Collaborate with teams to implement cutting-edge technol...

Pioneer in cybersecurity initiatives to safeguard sensitive data and systems. Collaborate on developing security policies and conduct risk assessments while leading audits and incident responses. Driv...

Join a dynamic team to improve and support ERP systems and cloud applications, focusing on aftermarket sales and service. Oversee system configurations, enhancements, and application efficiency for se...

Unlock your potential as a Systems Administrator, managing IT infrastructure in a dynamic remote role. Drive technical solutions, support clients, and ensure network security while enhancing your care...

Elevate progress at our dynamic testing team by designing, implementing, and executing comprehensive test plans. Lead a small team to ensure quality and efficiency in software testing through automati...

Lead the charge in maintaining and optimizing SIGINT systems for critical operations. Collaborate in a dynamic, 24/7 environment to ensure the availability and effectiveness of front-end collection te...

Elevate your career by joining a dynamic team as a SIGINT Development Analyst, where you'll monitor and optimize critical communication systems in a fast-paced 24/7 environment, ensuring seamless inte...

Join a team that's advancing DevSecOps practices, enhancing cloud applications through automation and CI/CD pipelines. Utilize your expertise to optimize development processes and drive security solut...

Transform your career by enhancing system security and compliance, overseeing operations, and driving continuous improvement initiatives in a dynamic environment—ideal for experienced security profess...

Advance information security by managing security operations, evaluating vulnerabilities, and enforcing compliance for classified systems. Collaborate with teams to enhance system resilience and devel...

Develop cutting-edge solutions by leveraging advanced software engineering skills. Collaborate with a talented team to enhance applications and streamline integration processes within a classified dev...

Join a dynamic team to design, develop, and implement testing strategies for HPC systems. Engage in collaborative testing, automation, and data analysis while participating in Agile methodologies to e...

Unlock potential by efficiently managing and maintaining Linux systems in a cloud environment. Your role involves optimizing server resources, providing user support, and ensuring system integrity, al...

Join a team that's transforming enterprise applications to enhance efficiency and user experience. Collaborate in a high-energy Agile environment to tackle complex challenges, modernize legacy systems...