Hiring: Linux Engineer (Classified Environment) Company: Oak Ridge National Laboratory Location: Oak Ridge, TN Job Posted Time: 2026-09-17 10:14:45 Employment Type: On-site Target Skills & Keywords : Ansible, Bash, CI/CD, Configuration Management, Git, HTML, Kubernetes, Linux, PKI, Python, RHEL, Red Hat, Secret Clearance About the job Required Skills: •Work at the intersection of advanced Linux engineering, cybersecurity, high-performance computing, emerging technologies, and classified mission systems—solving complex technical challenges in environments where security, reliability, and performance are critical. •As a Linux Engineer, you will help architect, implement, automate, operate, and continuously modernize highly secure Linux infrastructure supporting both current missions and rapidly evolving capabilities. •Work across multiple security domains and collaborate with cybersecurity professionals, systems and network engineers, scientists, researchers, and mission partners to turn demanding requirements into resilient, scalable, and secure computing solutions. Qualifications: •BS degree in a related technical field and at least five years of Linux engineering or administration experience. Equivalent education, experience, and certifications may be considered. •Current Top-Secret clearance with Q and SCI eligibility. •Demonstrated expertise with RHEL/Linux engineering, troubleshooting, performance tuning, automation, and scripting. •Strong analytical and problem-solving skills with the ability to independently solve complex technical challenges and collaborate across multidisciplinary teams. •Classified, Intelligence Community, DoD, DOE, or other highly regulated computing environments. •HPC, AI/ML infrastructure, GPU computing, containers, Kubernetes, or advanced computing platforms. •Infrastructure-as-code, advanced automation, CI/CD, or enterprise configuration management. •Enterprise virtualization, storage, backup, and disaster-recovery architectures. •RMF, NIST 800-53, STIG implementation, vulnerability management, or authorization activities. •Designing or modernizing enterprise Linux environments and introducing emerging technologies. Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!