Linux System Administrator Jobs in Irvine, CA

Join a team that's redefining space technology by developing innovative test infrastructure and automation solutions for next-generation spacecraft. This hands-on engineering role encourages creativit...

Drive portfolio engineering excellence by providing comprehensive analysis and support to national defense, intelligence, and civil government customers, enhancing decision-making capabilities across...

Lead the charge in advanced epidemiological research, driving methodologies and findings to improve health outcomes in worker populations, while managing project teams and liaising with key stakeholde...

Transform customer experiences by leading end-to-end systems engineering solutions. Collaborate with cross-functional teams to create reliable, scalable backend services and modern frontend applicatio...

Take ownership of software and systems integration for radar platforms, ensuring seamless deployment and operational readiness through troubleshooting and validation in multiple environments. Lead eff...

Reimagine the future of technology as you lead architectural designs for complex, scalable systems. This role focuses on establishing standards and ensuring compliance for enterprise technologies in a...

Transform embedded software engineering by leading diverse teams in developing, testing, and integrating cutting-edge solutions for avionics systems that meet safety and quality standards, while foste...

Elevate client success by delivering expert implementation of data center solutions, ensuring seamless virtualization, storage, and networking setups in enterprise environments. Collaborate with diver...

Deliver comprehensive Microsoft 365 & Azure architectural solutions, ensuring optimal performance and security. Lead identification and remediation efforts while managing hybrid identity and licensing...

Collaborate with engineering teams to design effective recruitment strategies, source talent, and improve hiring processes. You’ll play a key role in building the next generation of aerospace and defe...

Join a team that's shaping the future of broadcast by directing automated newscasts, enhancing production values, and collaborating with talented professionals in a fast-paced environment, ensuring a...

Champion the enhancement of cybersecurity posture by identifying risks, coordinating incident responses, and implementing robust security controls. Collaborate with cross-functional teams to drive com...

Join our dynamic team to design and develop innovative software solutions that shape the future of healthcare technology. Your expertise will guide development processes and technical mentorship, driv...

Join a team that's transforming wireless communication through innovative design, simulation, and prototyping. Empower your career in a hybrid work environment, collaborating with top engineers on cut...

Lead the charge in spacecraft testing and integration, mentoring teams while ensuring high-quality, reliable operations. Shape automated processes and standards to accelerate production, influencing t...

Elevate production environments by serving as the key technical liaison for product teams. Optimize containerization processes and collaborate closely with platform teams to ensure seamless integratio...

Lead the charge in architecture design and integration of enterprise systems while delivering custom software solutions and guiding a team to enhance NIAID's clinical information capabilities and supp...

Transform federal audit processes by conducting FISMA and FedRAMP assessments. Enhance your expertise through proprietary training, engaging in evidence review and communication, while managing projec...

Support the issuance of identification for eligible recipients at various USARC locations, ensuring compliance with DoD policies, managing administrative tasks, and providing oversight of RAPIDS funct...

Empower the software engineering team to design, develop, and test innovative applications and platform solutions. Collaborate across the SDLC while adhering to best practices and proactively resolvin...

Lead the charge in modernizing network infrastructure for critical defense operations, focusing on migrating legacy systems to high-availability architectures while managing complex network transition...

Elevate security protocols to safeguard systems and data while fostering rapid growth. Architect robust security frameworks that empower operational efficiency and shape the future of corporate operat...

Drive stakeholder engagement and requirements analysis to enhance Agile workflow management and support mission-critical projects in a dynamic software development environment...

Collaborate with cross-functional teams to ensure quality installations, oversee contractor management, and enforce safety standards through comprehensive QA/QC processes in data center infrastructure...

Help us modernize critical systems by developing robust Python applications and data pipelines. Collaborate on innovative solutions to enhance data workflows and elevate software quality in a fast-pac...