Position Description: RIZZO International, Inc. is seeking a highly experienced Senior Hydrology & Hydraulic Modeling Lead to provide technical leadership and oversight in integrated hydrology, hydraulics, and advanced numerical modeling for complex water-related infrastructure projects.

This role is ideal for a seasoned professional with extensive experience in dam engineering, hydropower development, nuclear cooling water systems, tailings dams, flood control infrastructure, and large-scale drainage systems. The selected candidate will serve as a technical authority responsible for high-level modeling strategy, design oversight, regulatory support, and mentorship of junior engineers across domestic and international projects.

Responsibilities:

+ Lead hydrologic and hydraulic analyses for dams, hydropower facilities, nuclear power plants, tailings dams, levees, flood control systems, and major drainage infrastructure

+ Provide technical supervision and quality control for 1D/2D hydraulic and hydrologic models

+ Perform and oversee:

+ Flood frequency and PMP/PMF studies

+ Water availability and water balance analyses

+ Dam break and inundation mapping studies

+ Embankment erosion and sediment transport modeling

+ Scour analyses and river morphodynamic assessments

+ Cooling water intake/discharge hydraulic and thermal studies

+ Develop, review, and validate advanced numerical models using:

+ HEC-RAS (1D/2D)

+ HEC-HMS

+ FLOW-3D

+ OpenFOAM

+ RiverFlow2D

+ FLO-2D

+ ANSYS

+ Support reservoir operations modeling and climate change impact assessments

+ Provide input on project planning, budgets, scheduling, and modeling strategies

+ Prepare technical scopes of work, proposals, reports, and client presentations

+ Attend and lead domestic and international client and regulatory meetings

+ Mentor and supervise junior and intermediate engineers

+ Support interdisciplinary coordination across geotechnical, structural, and environmental teams

Experience Requirements:

+ B.S. in Civil, Hydraulic, or Water Resources Engineering (M.S. or Ph.D. preferred)

+ 15+ years of progressive experience in hydrology and hydraulic modeling

+ Professional Engineer (P.E.) license or ability to obtain licensure

+ Demonstrated leadership and technical oversight on complex water infrastructure projects

+ Extensive numerical modeling experience in surface water hydrology and hydraulics

+ Strong foundation in:

+ Fluid mechanics

+ Surface water hydrology

+ Hydraulic structures design

+ Statistics and flood frequency analysis

+ Sediment transport and river hydraulics

+ Experience with GIS and CADD software

+ International project experience preferred

+ Coastal modeling experience considered an asset

Preferred Experience:

+ Hydropower development and rehabilitation

+ Dam safety reviews and regulatory support

+ Nuclear power plant cooling water systems

+ Tailings dam hydrology and dam breach assessments

+ Climate resilience and extreme event modeling

+ Design-build infrastructure delivery

Job Type: Full-time

Pay: $120,000 - $150,000 per year (commensurate with experience)

Competitive Compensation Package:

+ 401(k)

+ Accident/Wellness insurance

+ Dental insurance

+ Dependent care spending account

+ Flexible spending account

+ Health insurance

+ Company-paid life, AD&D, and short/long term disability

+ Paid time off (vacation, paid sick leave, holidays)

+ Professional development opportunities

+ Employee referral program

+ Relocation assistance (as applicable)

+ Vision insurance

+ Optional work from home Fridays

+ Twelve (12) annual work from home days

BACKGROUND

RIZZO International, Inc. is a woman-owned, highly focused consulting firm specializing in all aspects of civil engineering, earth sciences, and field/testing services for dams, nuclear power plants, and other power-related markets. Our firm has worked around the world on unique, challenging, and technically demanding projects. We take pride in our commitment to providing personal and professional services in a responsive, high quality manner, and continually strive to exceed our clients' expectations by providing innovative and economically smart solutions. To learn more about our global experience visit us at www.rizzointl.com.

EOE M/F/Disability/Veteran

EEOC Disclaimer: RIZZO International, Inc. is an equal opportunity employer in that our policy, in accordance with Federal and State laws, prohibits employment discrimination solely on the basis of a person's race, color, creed, sexual orientation, sex, marital status, or disability except where a reasonable, bona fide occupational qualification exists.