Southwest Research Institute · 8 hours ago
RESEARCH SCIENTIST - SR. RESEARCH SCIENTIST - Health Physicist or Radiological Safety Scientist
San Antonio, TX
Full-time
Onsite
Mid, Senior Level
3+ years expSouthwest Research Institute is focused on ensuring the safety of nuclear power and the nuclear fuel cycle. They are seeking a Senior Research Scientist to perform technical evaluations for nuclear safety, conduct radiological safety assessments, and support regulatory analyses and business development activities.
Innovation ManagementMarket ResearchMechanical EngineeringNon ProfitProduct Research
No H1B
U.S. Citizen Only
Responsibilities
For the U.S. Nuclear Regulatory Commission (NRC) and other clients, perform technical and regulatory evaluations for ensuring the safety of nuclear facilities, nuclear materials processing and management, and radioactive waste disposal
Conduct independent calculations and modeling to support worker and public radiological safety evaluations under normal and accident conditions, to include biosphere dose assessments
Support analyses of nuclear regulatory frameworks and regulatory guidance documents
Contribute to preparation of proposals and support other business development activities applicable to your technical expertise and responsibility
Evaluate and quantify hazards, consequences (including dose and estimated health effects), and risks from external and internal exposure to radiation from radioactive materials in air, water, and soil or in packages for storage or transportation of radioactive materials
Conduct both qualitative and quantitative radiological safety evaluations of nuclear fuel cycle activities, including using simple tools like spreadsheet or Python calculations, or specialized modeling software. Scope of activities will likely include biosphere dose assessments
Support nuclear licensing reviews and, as needed, environmental reviews
Evaluate regulations and regulatory guidance for their applicability to new and advanced nuclear technologies
Contribute to written technical reports and regulatory documents and communicate technical concepts clearly with clients and colleagues
Qualification
Required
Requires a Bachelors, Masters or a PhD in Health Physics, Environmental Health Physics, Radiation Protection, Environmental Science, or related science degree with sufficient experience in nuclear or radiological safety. Those with graduate degrees may require fewer years of experience
3 years: Experience applying understanding of nuclear safety concepts and their regulatory context is required
Excellent speaking and writing skills and the ability to work independently and in multi-disciplinary teams are required
Due to the nature of the contract, candidates must have US Citizenship or have held US Permanent Residency (non-U.S. citizen national, lawful permanent resident, asylee, or refugee) for at least 5 years
A valid/clear driver's license is required
Preferred
Experience conducting radiological assessments of the nuclear power fuel cycle or the regulation of radioactive materials is preferred
Applicable pathway or biosphere dose modeling experience with available radiological assessment software and tools is desired
Company
Southwest Research Institute
Southwest Research Institute is an independent organization benefiting the government and others through innovative science and more.
1001-5000 employees
Funding
Current Stage
Late StageTotal Funding
$19.47MKey Investors
NASAUS Department of EnergyARPA-E
2025-03-11Grant· $3M
2023-06-09Grant· $2M
2022-12-14Series Unknown· $1.61M
Leadership Team
Walter D. Downing
Executive Vice President and COO
Alan Stern
Associate Vice President
Recent News
2026-01-13
2025-12-17
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