Senior Linux Administrator Jobs in Arlington, VA

Support, troubleshoot, and maintain IT systems, ensuring operational integrity across various platforms. Provide Tier I and Tier II support, manage system configurations and monitoring, and optimize r...

Grow your impact in a mission-driven role where your Linux expertise shapes critical operations. Work collaboratively in a fast-paced environment, enhancing system performance and security while drivi...

Reimagine UNIX administration as a core component of operating excellence. Drive security, performance, and compliance in multi-site environments while collaborating with stakeholders to innovate solu...

Develop and maintain IT systems and infrastructure while ensuring optimal operations. Provide Tier 1 and Tier 2 support, troubleshoot issues, and configure operating systems, enhancing performance and...

Lead the transformation of hybrid infrastructure to a fully Azure-native ecosystem by managing and optimizing network performance while ensuring secure and efficient migration and automation processes...

Drive your career forward as a Systems Administrator SME, overseeing IT systems' administration, maintenance, and security. You'll manage servers, ensure performance, collaborate with stakeholders, an...

Join a team that's transforming IT operations by leading the administration and support of complex systems. Drive performance and security improvements while collaborating with stakeholders to meet bu...

Pioneer innovative monitoring solutions to enhance mission-critical systems' performance, reliability, and security in a classified environment, leveraging extensive experience with SolarWinds technol...

Join a team that's integral to developing secure IT solutions and collaboration capabilities, focusing on COTS and GOTS integrations. Collaborate with multiple stakeholders to enhance systems and impr...

Optimize existing legacy applications while driving the transition to a modern system architecture. Leverage 5+ years of DevOps expertise to enhance performance and support cloud agnostic environments...

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

Accelerate your career by managing IT infrastructure and implementing CI/CD pipelines. Collaborate with teams to enhance deployment strategies, automate tasks, and ensure high system performance and s...

Unlock potential by managing IT infrastructure and CI/CD pipelines. Collaborate with development teams to enhance performance, ensuring system availability and security through automation and monitori...

Support critical satellite operations by maintaining systems and resolving issues. Collaborate with technical leads to implement IT solutions, automate monitoring, and ensure service continuity for vi...

Lead the charge in managing IT infrastructure while automating processes and ensuring security. Collaborate with teams to improve deployment strategies and deliver high-performance systems through eff...

Take ownership of automating Linux environments, enhancing system efficiencies, and developing frameworks for scalable infrastructure in a mission-critical setting, while collaborating with stakeholde...

Optimize the management of critical IT infrastructure, focusing on Windows Active Directory, virtual machines, and cloud instances. Collaborate with teams to enhance security measures and ensure compl...

Join a team that's dedicated to optimizing and managing our virtualized environment and Active Directory infrastructure. You will provide critical Tier 2/3 IT support, ensuring seamless operations and...

Join a team that's dedicated to optimizing IT services and enhancing system reliability. As a key player, you'll manage VMware and Active Directory, providing essential support that drives operational...

Optimize enterprise infrastructure by managing and enhancing hybrid systems. Collaborate with teams to ensure system reliability, security, and performance. Leverage your expertise in cloud environmen...

Advance the High Performance Computing infrastructure by managing systems, performing administration, and troubleshooting to ensure optimal performance while enhancing security and compliance in diver...

Optimize your career by managing and supporting high-performance computing systems. Utilize your expertise in Linux, scripting, and network management to enhance system efficiency and ensure robust in...

Deliver comprehensive Tier I and II IT support in a dynamic mission-driven environment. Enhance system performance and reliability for UNIX and Windows operations, ensuring critical infrastructure ope...

Optimize Solaris and LINUX systems administration while leading technical support initiatives. Collaborate in multi-tiered environments, ensuring robust infrastructure management and superior service...

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...