LinuxSystemsAdministrator

Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. We're looking for a Linux Systems Administrator to provide advanced technical computer infrastructure support for Linux systems in a complex classified and unclassified computing environment. This role serves as a subject matter expert of Linux infrastructure, collaborates with customers and technical partners to define requirements and design computing solutions, and leads resolution of broad, complex system issues with long-term operational and security Impact. This position is in the Information Technology Operations (ITO) Division within the Computing Directorate. This position requires full-time on-site presence due to the nature of the work. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will * Provide Tier 3 support for Linux and storage systems, including incident resolution, root cause analysis, and long-term remediation on classified and unclassified networks. * Architect, implement, and maintain diskless Linux environments, including PXE booting and related provisioning, identity and authentication services, such as FreeIPA or similar identity management solutions. * Implement technical standards for Linux system hardening in alignment with security policies, STIGs, CIS benchmarks, and other security baseline standards. * Monitor an