Senior Safety Analysis Engineer

A leading advanced nuclear technology company is seeking an experienced Senior / Principal Safety Analysis Engineer to join their team on a remote contract basis in the United States.

This role will focus on deterministic safety analysis, transient and accident analysis, and reactor system modeling for an advanced non-light water reactor program. The successful candidate will contribute to licensing activities, methodology development, analytical model development, and integration of plant systems within safety analysis platforms.

Key Responsibilities

• Develop system models and perform safety analyses for Anticipated Operational Occurrences (AOOs), Design Basis Events (DBEs), and Design Basis Accidents (DBAs)
• Perform transient and accident analysis to support reactor licensing activities and safety documentation
• Contribute to development and assessment of safety methodologies, including code assessment, scaling analysis, verification and validation activities
• Support development of licensing documentation including FSAR Chapter 15 analyses
• Collaborate with multidisciplinary engineering teams on reactor SSC functional, safety, and performance requirements
• Perform engineering reviews of safety analyses and related design deliverables
• Develop and maintain analytical model documentation and analysis records
• Support benchmark testing, uncertainty quantification, and sensitivity analyses
• Contribute to implementation of transient and accident analysis capabilities within internal software frameworks

Required Experience

• Extensive experience in nuclear safety analysis and reactor system modeling
• Strong experience with safety analysis software such as RELAP5, TRACE, TRAC, SAS4A/SASSYS-1, or similar nuclear analysis codes
• Experience supporting NRC licensing submittals and transient/accident analyses
• Strong understanding of: thermal hydraulics; reactor dynamics and transient phenomena; reactor core physics and reactivity feedback; instrumentation and control system modeling
• Familiarity with Non-Light Water Reactor regulatory guidance and risk-informed methodologies
• Familiarity with EMDAP and Regulatory Guide 1.203 preferred
• Experience working under NQA-1 quality programs
• Strong analytical, quantitative, and reporting skills
• Experience working within multidisciplinary engineering teams

Preferred Background

• Sodium Fast Reactor (SFR) safety analysis experience highly desirable
• Experience with advanced reactors or Gen IV technologies
• Software engineering/programming experience in Python, Fortran, or C++ is considered beneficial

Qualifications

• S., M.S., or Ph.D. in Nuclear Engineering or a related engineering discipline
• Minimum 5-10+ years of relevant nuclear industry experience depending on education level

Gintare Juozapaviciute