Systems Administrator Jobs in San Diego, CA

Shape the future of mission-critical IT operations by providing expert systems administration and support for enterprise and tactical environments, ensuring seamless functionality and operational read...

Drive the operational health of mission-critical Appian environments, ensuring reliability and performance. Collaborate with cross-functional teams to manage configurations, deployments, and incident...

Deliver advanced technical support for desktop, server, and cloud environments, ensuring optimal performance and security. Mentor junior staff while resolving complex issues and enhancing client satis...

Manage day-to-day infrastructure and customer support, ensuring optimal server performance, security, and incident response. Collaborate on initiatives to enhance operational security and maintain doc...

Partner with us to maintain and secure classified information systems, ensuring compliance with security protocols. Collaborate with cross-functional teams to enhance system performance and support op...

Join a dynamic team to support classified IT operations across a wide-area network. Leverage your expertise in Windows, Active Directory, and Linux to troubleshoot and resolve technical issues while c...

Develop and maintain IT infrastructure solutions, ensuring optimal performance and security. Collaborate with teams to implement software, provide training, and enhance systems, while driving innovati...

Elevate your career by managing network systems and cybersecurity for Navy Tactical Training, ensuring seamless operation and performance. Collaborate with cross-functional teams and support enterpris...

Empower teams by providing comprehensive IT support in a dynamic RDT&E environment. Manage systems, troubleshoot issues, and ensure security compliance while collaborating across departments to enhanc...

Deliver impactful IT solutions by owning and enhancing infrastructure, systems, and processes that ensure operational integrity and security while collaborating with teams to meet business needs as th...

Drive system administration excellence by managing Windows servers, ensuring compliance, and automating processes. Collaborate with teams to enhance infrastructure and support key technology initiativ...

Empower seamless travel operations by managing critical systems and integrations. Collaborate with cross-functional teams to enhance performance and security of travel platforms, ensuring optimal user...

Shape the future of enterprise Linux environments by enhancing automation, managing infrastructure, and developing CI/CD pipelines. Collaborate with cross-functional teams to ensure secure, reliable...

Empower mission success by managing critical IT systems for Navy operations. Maintain server, network, and cybersecurity integrity across environments, ensuring high availability and compliance while...

Optimize our internal IT systems and security posture while managing user access, supporting AWS operations, and ensuring compliance. Collaborate with the COO to enhance efficiency and maintain a secu...

Elevate your career as a System Administrator, ensuring cybersecurity compliance and operational readiness of critical systems. You'll manage patching, vulnerability assessments, and documentation whi...

Join our team as a Lead System Administrator, overseeing global IT systems infrastructure. You'll ensure data integrity, manage a diverse team, and implement compliance frameworks while driving operat...

Join a team that's dedicated to optimizing data center operations and customer success. As a hands-on leader, you'll manage a skilled team, oversee implementations, and ensure operational excellence w...

Empower our IT Infrastructure by managing enterprise systems, enhancing security, and leading technical projects. Collaborate with teams to ensure reliable operations and mentor fellow administrators...

Transform your career by managing and optimizing Linux web server environments. Leverage your expertise in Apache, Tomcat, and NGINX to enhance performance, security, and reliability in a fully remote...

Champion system administration and troubleshooting for complex test environments, ensuring seamless operations within the Missile Defense Analysis, Testing, and Engineering Network Operations Center...

Optimize IT operations by managing day-to-day support for macOS and Windows environments, ensuring seamless onboarding/offboarding, and administering SaaS platforms while enhancing user experience and...

Drive your career with a Senior Network Administrator role, managing and optimizing enterprise network infrastructure. Collaborate across teams to ensure security, performance, and scalability while l...

Administer and enhance collaboration platforms, ensuring seamless integration and automation across teams. Collaborate with cross-functional departments to optimize workflows and improve operational e...

Explore a pivotal role in shaping cloud infrastructure and DevOps practices. Lead initiatives to enhance software delivery, optimize processes, and mentor teams while ensuring compliance and security...