Location: Oak Ridge, TN
Cap-Exempt H-1B Position — No lottery required
Requisition Id 16566 **Overview:** We are seeking a Research Software Engineer to join the Incident Modeling and Computational Sciences (IMCS) Group in the National Security Sciences Directorate at Oak Ridge National Laboratory (ORNL). IMCS develops and maintains state-of-the-art modeling and simulation tools supporting nuclear forensics, nuclear weapon effects, radiological consequence management, and other needs for DOE, DOW, and DHS sponsors. In this role, you will design, develop, and operate enterprise AI and data infrastructure, helping to build, maintain, and scale Docker-based microservices, large language model (LLM) inference servers on GPU clusters, vector database and retrieval-augmented generation (RAG) pipelines, and observability stacks that advance AI capabilities across the laboratory. The successful candidate will work independently and collaboratively with a multidisciplinary team of scientists, data engineers, and system administrators to deliver reliable, secure, and high-performance AI services to ORNL researchers. **Basic Qualifications:** - A BS degree in computer science, software engineering, or a related technical field and a minimum of five years of relevant experience. A combination of education and experience may also be considered. - Experience with software development life cycle, including version control with Git, code review practices, and collaborative development workflows. - Experience writing and maintaining production-quality code in Python, with exposure to one or more additional languages (e.g., JavaScript, Bash, C++). - Experience deploying and debugging containerized applications using Docker and Docker Compose, including multi-service environments. - Experience with Linux shell scripting in a command-line environment. - Experience working in multi-disciplinary teams across all phases of the software development life cycle. **Preferred Qualifications:** - Experience deploying or operating AI/ML serving infrastructure, in