UNIX System Administrator Jobs in Arlington, VA

Accelerate your career by identifying and mitigating system vulnerabilities, developing countermeasures, and generating actionable intelligence to protect critical operations and missions from potenti...

Transform system security by identifying vulnerabilities and developing countermeasures through comprehensive analysis and investigation, ensuring mission-critical operations remain secure and resilie...

Transform and streamline organizational processes by managing SharePoint environments, enhancing user experiences, and leveraging Microsoft 365 integrations to foster collaboration and efficiency in a...

Transform operations by leading critical mechanical systems in AI data centers. Drive technical readiness, oversee audits, and enhance cooling infrastructure to meet rigorous demands while mentoring u...

Empower innovation and drive excellence in complex space systems. Collaborate with diverse teams to tackle challenging projects, assess technologies, and influence critical design decisions, ensuring...

Join a team that's dedicated to delivering top-quality technology installations. As a key on-site leader, you'll coordinate projects, manage installations, and ensure high standards while collaboratin...

Unlock your potential as a key player overseeing on-site installation activities. Collaborate closely with project management and building contractors to ensure timely, quality technology installation...

Lead on-site installation activities for high-tech projects, coordinating with contractors and managing quality, schedules, and personnel to ensure seamless execution and successful project completion...

Transform public safety operations by providing expert technical support, implementing efficiencies, and fostering strong customer relationships. Drive process improvements and problem-solving initiat...

Optimize network solutions in a high-performance computing environment. Support advanced HPC platforms and ensure reliable, secure connections across diverse locations using leading-edge technologies...

Unlock potential by providing expert IT support and management for laboratory systems, ensuring the operability of scientific applications and enhancing research operations within a collaborative and...

Pioneer continual improvement within digital tools; maintain systems, support troubleshooting, and mentor others. Collaborate effectively to enhance operational efficiency and drive project success wh...

Execute transformative Infrastructure as Code (IaC) practices while building automation for server provisioning and configuration. Collaborate cross-functionally to enhance deployment workflows and op...

Join a dynamic team supporting enterprise-level Cisco unified communications systems. Grow your career by solving complex voice/video challenges in a mission-driven environment, while ensuring high-qu...

Lead the charge in managing and optimizing complex network systems, ensuring robust cybersecurity measures, and providing top-tier administrative support to enhance organizational infrastructure and o...

Unlock potential by developing cutting-edge software solutions, contributing to the product lifecycle while collaborating closely with teams to enhance identity and access management features in a dis...

Lead the implementation and testing of classification-marking tools for M365 applications, collaborating with developers to resolve user issues while documenting designs and improving system functiona...

Join a dynamic team as a Network Systems Engineer, where you’ll deploy, integrate, and sustain cutting-edge communication systems in a fast-paced environment, ensuring system reliability and enhancing...

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...

Unlock your potential by implementing and integrating privileged access management solutions with a focus on CyberArk's suite, enhancing security and compliance while collaborating with cross-function...

Drive mission success as a hands-on Senior Cloud Systems Administrator ensuring optimal performance and security of Linux systems in AWS. Collaborate with cross-functional teams to enhance critical ap...

Join a dynamic team to design and implement rigorous testing procedures for Electronic Warfare systems. Utilize your expertise to enhance product quality and performance while overseeing critical oper...

Drive innovation and excellence in Cloud and DevOps Engineering by leading architecture, security, and automation initiatives while mentoring teams to optimize technology platforms that enhance busine...

Lead the implementation and administration of ServiceNow solutions, driving positive impact in secure environments. Collaborate with cross-functional teams to enhance workflows and deliver innovative...

Optimize global payroll solutions by developing and enhancing PeopleSoft modules. Join our team to tackle complex integrations and ensure system integrity in a collaborative, agile environment while m...