Nuclear Criticality Safety Engineer

Perform nuclear criticality safety evaluations supporting facility operations, maintenance activities, engineering modifications, and new projects. Review engineering changes, design packages, temporary modifications, procedures, and process changes for compliance with approved nuclear safety requirements. Support the development, implementation, and maintenance of Criticality Safety Evaluations, Safety Basis documentation, Technical Safety Requirements, and other nuclear safety documentation. Evaluate process equipment, gloveboxes, tanks, vessels, piping systems, and facility operations to ensure compliance with nuclear safety requirements. Prepare engineering calculations, technical evaluations, hazard analyses, and supporting engineering documentation. Review engineering drawings, P&IDs, calculations, specifications, and operating procedures. Perform field walkdowns to verify equipment configuration, system operability, and compliance with approved engineering documentation. Support facility engineering, operations, maintenance, and Design Authority organizations during troubleshooting, testing, equipment modifications, and facility upgrades. Participate in occurrence investigations, apparent cause evaluations, root cause analyses, and corrective action development. Support engineering change control, configuration management, and design verification activities. Prepare technical reports, engineering recommendations, and supporting documentation. Collaborate with Operations, Maintenance, Radiological Controls, Industrial Safety, Fire Protection, Quality Assurance, and other engineering disciplines to resolve technical issues.