Reactor Jobs

Arene is hiring software engineering interns to help design and build tooling and automation (Vertex, Reactor, CI/CD) that support large-scale, safety‑critical vehicle software development across global teams.

Lead technical nuclear weapons-effects research and modeling efforts to support detection, forensic, and hard-target analysis programs for classified DoD and intelligence clients.

A remote, flexible contract role for nuclear engineers to evaluate AI outputs, create domain-relevant prompts, and provide expert feedback to improve model understanding of nuclear engineering.

Experienced nuclear reactor operators are needed to remotely evaluate AI outputs and develop domain-specific prompts to improve model performance in reactor operations and safety.

Senior technical and strategic leader needed to manage the Main Power Systems mechanical engineering organization, driving design, analysis, and delivery of reactor and steam generator systems for X-energy's Xe-100 program.