UNIX System Administrator Jobs in Arlington, VA

Contribute to advanced modeling and simulation in HPC environments by developing software solutions, supporting user workflows, and mentoring junior staff to enhance organizational efficiency and inno...

Transform program oversight by analyzing and reporting on portfolio health, addressing cost, schedule, and performance issues, and drafting essential documentation for effective management and communi...

Advance technical support and systems administration for critical server operations. Drive enhancements in user experience through troubleshooting and automation, ensuring peak performance across phys...

Transform the approach to mission-integrated security by developing and implementing robust safety protocols, monitoring systems for vulnerabilities, and ensuring compliance with assessment requiremen...

Lead the charge in developing innovative software solutions that enhance operational efficiency and scalability, while implementing robust DevOps practices in collaboration with cross-functional teams...

Advance the efficiency of maintenance operations by managing CMMS systems, ensuring optimal performance of assets, and facilitating data-driven decisions in a secure environment. Collaborate with team...

Engineer the future of data centers by developing and optimizing system software to orchestrate cloud workloads across cutting-edge, energy-efficient hardware. Collaborate extensively to create robust...

Lead the charge in enterprise infrastructure innovation, delivering scalable solutions in storage, virtualization, and hybrid cloud environments. Drive operational excellence and strategic partnership...

Join a dedicated team supporting enterprise network operations, utilizing your expertise in troubleshooting, configuration management, and technical project implementation to ensure seamless connectiv...

Join a team that's transforming IT by managing enterprise systems, enhancing operational capabilities, and ensuring security in a dynamic environment, all while making a tangible impact on agency miss...

Join a dynamic team as a Software Engineer focused on developing and troubleshooting cutting-edge software applications. Engage with diverse technologies while collaborating in a fast-paced environmen...

Innovate by developing and troubleshooting complex software applications, integrating diverse technologies, and ensuring optimal functionality within a dynamic team. Bring your technical expertise and...

Lead the charge in safeguarding data integrity and availability across diverse databases. Ensure optimal performance through proactive maintenance, adherence to security policies, and thorough system...

Lead the charge in overseeing contract management and performance oversight for a high-stakes operations project. Drive strategic vision implementation, stakeholder communication, and maintain the qua...

Drive systems engineering excellence across all phases of the lifecycle. Collaborate with government and program team members to ensure technical integrity and quality in accordance with established I...

Transform legacy applications by leading modernization initiatives, while ensuring business continuity. Develop and integrate AI capabilities to enhance user workflows, collaborating with multidiscipl...

Support and enhance enterprise infrastructure platforms by maintaining, monitoring, and improving network environments. Collaborate with teams for upgrades, incident resolution, and documentation to e...

Support engineering activities throughout the system lifecycle by defining requirements, conducting system design, and ensuring solutions meet technical objectives and operational needs across diverse...

Join a team that's dedicated to executing systems engineering throughout the lifecycle. Collaborate with diverse stakeholders to align solutions with operational goals and elevate technical architectu...

Support access management operations and complex security classification functions. Collaborate with military audiences, conduct training, and validate security operations while leveraging advanced kn...

Champion the execution of complex technical programs while managing multiple projects and teams. Utilize your government contract experience in biotech to oversee budgets, schedules, and quality deliv...

Empower your career by providing critical Tier III IT Systems support, troubleshooting complex challenges across enterprise technology platforms. Collaborate with project teams, author SOPs, and mento...

Champion the growth of our Federal Systems Engineering team by coaching and leading presales systems engineers while fostering key customer relationships and enhancing sales effectiveness through tech...

Shape the future of high-performance engineering platforms and applications while driving technological transformation. Collaborate with cross-functional teams to enhance security, performance, and sc...

Champion the transformation to a tech organization by driving high-performance engineering solutions and fostering a culture of continuous improvement and psychological safety in cross-functional team...