Mid-Level Systems Engineer for Classified Networks

Experteer Overview In this role, you will design, implement, and maintain complex IT infrastructures to support ORNL’s mission. You’ll work with cross-functional teams to ensure system stability, security, and performance, while contributing to project planning and execution. You’ll optimize operations, troubleshoot issues, and support ongoing IT initiatives in a collaborative, security-focused environment. This is an opportunity to shape scalable systems and advance security practices within a trusted research organization. Compensation / Benefits * System design and architecture support to meet business and technical requirements * Create and maintain system documentation and diagrams * Install, configure, and integrate hardware/software components * Develop and implement automation scripts/tools * Monitor performance and implement scalability (load balancing, clustering) * Ensure security/compliance through controls and audits * Collaborate with security team to address vulnerabilities * Provide technical support and troubleshoot complex system issues * Support IT projects from planning to implementation * Align team activities with ORNL core values (Impact, Integrity, Teamwork, Safety, Service) Tasks * BS in Computer Science, Information Technology, or related field or 8-12 years of equivalent experience * 5 years of systems engineering or similar role experience * Proficiency in Windows, Linux, and virtualization (VMware, Hyper-V) * Experience with automation and scripting (Ansible, PowerShell) * Knowledge of CPU/GPU environments, networking, storage, and cloud technologies * Understanding of security best practices and compliance standards (NIST, ISO) * Experience with SharePoint, JIRA/Confluence, Tenable * Microsoft infrastructure (SE, 365, PowerApps) * Strong problem-solving, communication, and teamwork skills * Ability to manage multiple tasks/projects simultaneously Key requirements * Medical plan * Retirement plans * Flexible work hours * On-site fitness * Parental Leave * Employee Discounts

Systems * Provide technical support and troubleshoot complex system issues * Support IT projects from planning to implementation * Align team activities with ORNL core values (Impact, Integrity, Teamwork, Safety, Service) Tasks * BS in Computer Science, Information Technology, or related field or 8-12 years of equivalent experience * 5 years of systems engineering or similar role experience * Proficiency in Windows, Linux, and virtualization (VMware, Hyper-V) * Experience with automation and scripting (Ansible, PowerShell) * Knowledge of CPU/GPU environments, networking, storage, and cloud technologies * Understanding of security best practices and compliance standards (NIST, ISO) * Experience with SharePoint, JIRA/Confluence, Tenable * Microsoft infrastructure (SE, 365, PowerApps) * Strong problem-solving, communication, and teamwork skills * Ability to manage multiple tasks/projects simultaneously Key requirements * Medical plan * Retirement plans * Flexible work hours * On-site fitness * Parental Leave * Employee Discounts