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Engineer-Scientist – Computational Hydrogeological/Hydrological Modeler
Savannah River Mission Completion. Develop, implement, and defend complex fate and transport models evaluating natural and engineered barriers to contaminant transport .
Posted 10/5/2026full-timeAiken • South Carolina • United StatesMid-LevelSenior💰 $85,152 - $209,556 per yearWebsite
Core Competencies
Role fitCore Competencies
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Demonstrates expertise in developing and implementing fate and transport models for hazardous chemicals and radionuclides, with proficiency in flow modeling and regulatory compliance. Strong communication skills are essential for collaboration with regulatory stakeholders and technical reporting.
Highest-signal resume keywords
Fate And Transport ModelingFlow Modeling CalculationsPython ProgrammingRegulatory DocumentationGeochemical Modeling Software
ATS Keywords
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Hard Skills
Fate And Transport ModelingFlow Modeling CalculationsPython ProgrammingR ProgrammingC++ ProgrammingFortran ProgrammingSensitivity AnalysisUncertainty AnalysisGeochemical ModelingEnvironmental Modeling
Soft Skills
Excellent Communication SkillsCollaboration
Tools & Technologies
PORFLOWGoldSimCOMSOLPFLOTRANMODFLOW 6MOOSEPHREEQCGeochemist’s Workbench
Industry Keywords
Department Of EnergyLow-Level Waste DisposalRadioactive Waste ManagementEnvironmental ComplianceTechnical Reporting
Tech Stack
Tools & technologiesPythonC++
About the role
Key responsibilities & impact- Develop, implement, and defend complex fate and transport models evaluating natural and engineered barriers to contaminant transport
- Develop defensible conceptual and mathematical models of natural and engineered barriers and related fate and transport of hazardous chemicals and radionuclides
- Create, document, and maintain environmental flow and transport models
- Prepare technical reports documenting models
- Check and review work performed by peers
- Collaborate with colleagues throughout the DOE Complex
- Interface with regulatory stakeholders, facility engineering and operations, and Department of Energy customers
- Support technical matters involving the DOE Low-Level Waste Disposal Facility Federal Review Group, NRC, SCDES, and EPA
- Contribute to project and organizational objectives demonstrating long-term compliance of disposal and closure actions
- Support regulatory documentation for radioactive waste management projects at the Savannah River Site
- Perform other duties as assigned
Requirements
What you’ll need- Bachelor’s degree in Engineering, Geosciences, Computer Science, or other related field from an accredited university or college
- Preferred: Master’s with 3yrs+ experience; or a Ph.D. degree in Engineering, Geoscience, Computer Science, or other related field from an accredited university or college
- Experience in flow and contaminant transport modeling calculations, specifically PORFLOW, GoldSim, COMSOL, PFLOTRAN, MODFLOW 6, or MOOSE
- Experience with quantitative coding using Python, R, C++, and Fortran
- Experience with sensitivity analysis and uncertainty analysis
- Experience with geochemical modeling software, such as PHREEQC and Geochemist’s Workbench
- Excellent verbal and written communication skills with the ability to present to audiences with varied degrees of subject matter knowledge
- Ability to work a 4/10s schedule, Monday–Thursday
- No security clearance required
Benefits
Comp & perks- 401k Retirement Savings Plan – 5% immediate company contribution, additional matching for employee contributions
- Health Insurance & Prescription Drug Program
- Health Savings Account
- Telehealth with BlueCare on Demand
- Dental Coverage
- Vision Coverage
- Flexible Spending Accounts
- 160 hours annual paid time off (accrued monthly)
- 11 paid holidays
- Paid Parental Leave
- Life and Accident Coverage
- Disability Coverage
- Employee Assistance Program
- Tuition Reimbursement
- Up to 50% telework in accordance with the SRMC Telework Policy