UNIX System Administrator Jobs in Arlington, VA

Engage with teams to design, implement, and maintain cutting-edge IT systems while supporting mission-critical upgrades and deployments in a dynamic environment. Collaborate effectively to ensure robu...

Pioneer innovative system solutions while collaborating with cross-functional teams to design, implement, and upgrade IT systems, ensuring efficient operations for defense initiatives through meticulo...

Join a team that's dedicated to designing and maintaining robust network infrastructures. This hands-on role emphasizes troubleshooting and optimizing enterprise systems, collaborating closely with te...

Take ownership of delivering cloud and infrastructure security projects across federal and commercial sectors. Lead teams to ensure schedules, risks, and reporting align with modernization goals while...

Lead the charge in enterprise systems integration, guiding multi-system strategies and advising technical leadership to enhance mission-critical capabilities across diverse platforms and environments...

Transform the future of IT operations by providing exceptional help desk support and troubleshooting for mission-critical systems, ensuring the success of multiple users across various locations in a...

The Information Systems Security Officer (ISSO) Level 2 is responsible for supporting the information assurance program of a system or organization by implementing and enforcing security policies and...

Join our team to enhance security and automation in delivery pipelines, driving consistent deployments and compliance through modern DevSecOps practices alongside skilled professionals...

Deliver secure, scalable IT infrastructure by leveraging automation and IAM practices. Collaborate with IT services to enhance compliance and documentation while maintaining a zero-trust environment f...

Partner with us to enhance IT infrastructure and security, lead AI initiatives, manage vendor relationships and compliance audits, and ensure optimal database performance to support our organization's...

Join a team that's shaping the future of secure cloud architecture by designing and optimizing multi-impact-level environments. Leverage your expertise to integrate on-premises infrastructure with DoD...

Drive energy efficiency and sustainability initiatives on campus by leading a team and overseeing energy management systems, regulatory compliance, and budget management to achieve decarbonization goa...

Join us in shaping the future of our AI infrastructure! Leverage your expertise to build and scale our cloud systems, ensuring reliability and security as we meet the demands of enterprise clients and...

Join a team that's pioneering innovative security solutions within a dynamic AWS environment. As a Senior DevOps Engineer, you'll integrate security into DevOps practices, ensuring robust compliance f...

Contribute to global IT support excellence by leading a multi-tiered service desk, driving AI innovations and delivering 24/7 support to enhance user experience and operational efficiency across diver...

Innovate and automate technical solutions to enhance mission workflows, collaborating with stakeholders to deliver impactful insights into adversary systems. Drive operational excellence through softw...

Unlock innovative solutions as a Systems Engineer, collaborating with a dynamic team to gather requirements, conduct technical testing, and manage systems administration, all while driving impactful p...

Champion innovative solutions by overseeing systems engineering processes, collaborating with teams to gather requirements, conduct technical testing, and enhance systems administration, all while fos...

Unlock potential by joining our team to enhance critical systems for Maryland state agencies. Contribute to impactful projects while growing your skills in a supportive environment focused on long-ter...

Help us shape the future of secure network infrastructure by implementing and managing systems that ensure reliability and compliance for mission-critical operations in a dynamic environment...

Transform cybersecurity landscapes by ensuring compliance and operational control across IT systems; lead ISSO initiatives, supporting security architecture, and collaborate on projects to maintain an...

Reimagine defense strategies as a vital C-UXS Policy Analyst, shaping policy guidance and supporting irregular warfare efforts. Collaborate with defense officials to monitor campaigns and integrate op...

Lead the charge in application development and sustainment, leveraging your expertise in low-code platforms and lifecycle management to deliver innovative solutions and enhance operational efficiency...

Join a team that's driving innovation in cloud infrastructure and automation. As a pivotal DevOps Engineer, you’ll enhance deployment processes, ensure scalability, and maintain robust systems while m...

Manage global equity programs, ensuring compliant administration and reporting. Collaborate with Legal, HR, and Finance to support executive and employee equity transactions, maintain data integrity...