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Hydraulic Modelling Jobs (NOW HIRING)

WSP

Lead Water Resources Engineer

Tempe, AZ · On-site

$76K - $105K/yr

Strong technical skills regarding hydrologic and hydraulic modelling approaches and commonly used software * Familiarity with the National Flood Insurance Program and FEMA flood insurance study ...

WSP

Lead Water Resources Engineer

Tempe, AZ · On-site

$99K - $131K/yr

Strong technical skills regarding hydrologic and hydraulic modelling approaches and commonly used software * Familiarity with the National Flood Insurance Program and FEMA flood insurance study ...

Metric Geo

Wastewater Project Engineer

Houston, TX · On-site

$130K/yr

Perform hydraulic modelling and wastewater flow analysis to support innovative engineering solutions. * Conduct field investigations and site assessments to inform project design. * Develop cost ...

HDR

Transportation Hydraulics Engineer

Tampa, FL · On-site

Preparation and review of hydraulic calculations and design deliverables, including hydrologic and hydraulic analyses, floodplain impact and compensation evaluations, stormwater modelling, bridge ...

HDR

Transportation Hydraulics Engineer

Tampa, FL · On-site

Preparation and review of hydraulic calculations and design deliverables, including hydrologic and hydraulic analyses, floodplain impact and compensation evaluations, stormwater modelling, bridge ...

RK&K

Engineer I - Structures

Bridgeville, PA · On-site

... or hydraulic modelling * Collaborate with a multi-disciplinary team across RK&K's portfolio Required Skills and Experience * Bachelor's degree in Civil Engineering or Structural Engineering

jcb

MEWP - Senior Hydraulic Engineer - SATX

San Antonio, TX · On-site

$94K - $129K/yr

Use modelling tools to optimise system performance and guide design decisions. * Validate component ... Review hydraulic BOMs, schematics, and commissioning procedures. * Lead on-machine tuning and ...

Ramboll

Climate Adaptation Planner

Manhattan, NY · On-site

We provide solutions related to climate and resiliency planning; hydraulic modelling, watershed management, site civil design, stormwater management; blue-green infrastructure; design of new and ...

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How much do hydraulic modelling jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for hydraulic modelling in the United States is $24.82, according to ZipRecruiter salary data. Most workers in this role earn between $19.95 and $28.85 per hour, depending on experience, location, and employer.

What are typical challenges faced by professionals in hydraulic modelling, and how can they be addressed?

Professionals in hydraulic modelling often encounter challenges such as managing incomplete or inconsistent data, calibrating complex models to match real-world conditions, and keeping up with evolving software tools. Collaborating closely with field engineers, data analysts, and stakeholders is crucial to ensure the model's accuracy and reliability. Regular training, leveraging peer reviews, and staying updated on industry best practices can help overcome these challenges and produce robust modelling outcomes.

What are the key skills and qualifications needed to thrive as a hydraulic modeller, and why are they important?

To thrive as a Hydraulic Modeller, you need a strong background in civil or environmental engineering, hydrology, and fluid dynamics, usually supported by a relevant degree. Proficiency with hydraulic modelling software such as HEC-RAS, InfoWorks, or MIKE, as well as familiarity with GIS, is typically required. Strong analytical skills, attention to detail, and effective communication are essential soft skills for interpreting data and collaborating with multidisciplinary teams. These competencies ensure accurate modelling, reliable project outcomes, and effective communication of complex results to stakeholders.

What is the difference between Hydraulic Modelling vs Civil Engineer?

AspectHydraulic ModellingCivil Engineer
Required CredentialsEngineering degree, hydraulics certificationsEngineering degree, civil engineering license
Work EnvironmentDesigning and analyzing water systems, simulationsDesigning infrastructure, construction sites
Industry UsageWater resources, flood management, urban drainageBuildings, roads, bridges, infrastructure projects

Hydraulic Modelling focuses on simulating water flow and hydraulic systems, often requiring specialized hydraulics certifications. Civil Engineers have a broader scope, designing various infrastructure projects. While both roles require engineering credentials and work within the construction and water sectors, Hydraulic Modelling is specialized in water systems analysis, whereas Civil Engineering covers a wide range of infrastructure development.

How do you become a hydraulic modeller?

To become a hydraulic modeller, typically a bachelor's degree in civil engineering, environmental engineering, or a related field is required. Gaining experience with hydraulic modeling software such as HEC-RAS or MIKE, along with strong analytical skills and knowledge of fluid mechanics, is essential; professional certifications can also enhance job prospects.

Is hydraulic modelling a good career?

Hydraulic modelling is a specialized engineering field involving the use of software to simulate water flow and infrastructure systems. It offers opportunities in water resources, environmental management, and infrastructure planning, often requiring skills in hydraulics, GIS, and programming. The career can be stable and well-paying for those with relevant technical expertise and certifications.

What is hydraulic modelling?

Hydraulic modelling is a process used by hydraulic modellers to simulate the flow and behavior of water within a system, such as rivers, pipelines, or drainage networks. It involves creating digital or physical models to analyze water movement, pressure, and capacity, often using specialized software like HEC-RAS or MIKE. This work supports infrastructure design, flood risk assessment, and water resource management.
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Hydraulic Modelling jobs near you
Infographic showing various Hydraulic Modelling job openings in the United States as of August 2026, with employment types broken down into 93% Full Time, 3% Part Time, 2% Contract, and 2% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $51,632 per year, or $24.8 per hour.

Senior Thermal-Hydraulics Analysis Engineer

Valar Atomics

Torrance, CA • On-site

$109K - $149K/yr

Full-time

Medical, PTO

Re-posted 4 days ago

Job description

About Valar Atomics
At Valar Atomics, we're redefining what's possible in energy. Our mission is to make clean, high-temperature nuclear power scalable-unlocking abundant energy for industry, hydrogen, and next-generation manufacturing. We are a team of builders, engineers, and operators who believe nuclear energy should be fast to deploy, factory-made, and built for the real world. Our first pilot plant in Orangeville, Utah will demonstrate how advanced nuclear systems and fuel fabrication can power the future. Joining Valar Atomics means becoming part of a company where autonomy, ownership, and impact exist at every level.
The Team
As part of the Engineering organization, Models & Simulations develops advanced analytical models that support engineering design, performance prediction, and system optimization. The team enables informed decision-making through computational analysis and simulation.
The Role
The Senior Thermal-Hydraulics Systems Engineer leads system-level (1-D / network) thermal-hydraulics modelling of the reactor's primary and secondary loops, balance of plant and power-conversion cycles using Flownex SE. Within the ModSim Engineering Group, the role builds and validates integrated plant models that capture steady-state performance and transient behavior - start-up and shutdown, load changes, loss-of-flow and trip scenarios - and that inform component sizing, control philosophy and cycle optimization (Brayton and supercritical-CO₂). The engineer defines the systems-modelling approach, reconciles Flownex results with CFD-derived coefficients and supplier data, and translates system analyses into engineering decisions and inputs for the wider design and safety effort.
Key Responsibilities
  • Build, run and maintain integrated Flownex SE network models of primary/secondary loops, balance of plant and power-conversion cycles for steady-state and transient analysis.
  • Characterize and size components (pumps, compressors, heat exchangers, valves, turbomachinery) and evaluate cycle performance and optimization across Brayton and sCO₂ architectures as required.
  • Analyze plant transients and control response (start-up/shutdown, load-follow, loss-of-flow, trips) and provide system boundary conditions to the CFD and FEA streams while consuming their loss/heat-transfer coefficients.
  • Produce calculation packages and system design-basis documentation under NQA-1; provide inputs to safety analysis and interface with detailed CFD models and neutronics power distributions.
  • Lead verification and validation of system models, set systems-modelling standards, support regulator/customer reviews, and mentor junior systems analysts.
  • Mentor engineers and train junior team members
  • Standardize Flownex modelling methods, component libraries and templates, and support the Stream Lead in scoping, estimating and scheduling systems work.

Basic Qualifications
  • Bachelor's degree or higher in Mechanical, Nuclear, Chemical or Aerospace Engineering with emphasis on thermodynamics, heat transfer or thermal-hydraulics systems.
  • 5+ years of professional thermal-hydraulics / plant-systems analysis experience, including lead responsibility on integrated system or cycle models.

Preferred Skills and Experience
  • Master's degree (MSc/MEng) or higher in Mechanical, Nuclear, Chemical or Aerospace Engineering with emphasis on thermodynamics, heat transfer or thermal-hydraulics systems.
  • Flownex SE expertise strongly preferred; otherwise demonstrable depth in a comparable systems/transient code (RELAP5, TRACE, GOTHIC, MELCOR, Modelica/Dymola, Aspen HYSYS Dynamics, Thermoflow / GateCycle) with willingness to adopt Flownex.
  • Strong applied thermodynamics, heat transfer, and fluid mechanics; closed-loop power-cycle design (Brayton, supercritical-CO₂).
  • Heat-exchanger thermal/hydraulic design and rating; turbomachinery and pump performance characterization; control-system representation.
  • Transient and dynamic simulation, including reactor thermal-hydraulics and decay-heat / natural-circulation scenarios.
  • Property libraries / equations of state (e.g., CoolProp / REFPROP) and helium, molten-salt, sodium, or CO₂ working fluids a strong plus.
  • Experience under a nuclear or regulated quality programme (NQA-1, ISO 9001, 10 CFR 50 Appendix B) and exposure to NRC/ASME environments.
  • Scripting/automation of work within defined workflows and quality assurance frameworks.
  • Track record of mentoring and leading technical systems analysis within a team.

What We Offer
  • Competitive base salary
  • Equity ownership in a rapidly growing advanced energy company
  • Comprehensive medical benefits
  • Unlimited PTO
  • Free daily lunch and dinner provided onsite
  • Generous PPE stipend
  • High-impact startup environment with significant ownership and autonomy
  • Opportunities for rapid career growth and internal advancement
  • Direct collaboration with experienced operators, engineers, and industry leaders
  • The opportunity to help build and scale transformative energy technology from the ground up

Equal Employment Opportunity Statement
Valar Atomics is an equal opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, age, disability, veteran status, or any other protected status under applicable law.
We are committed to providing a workplace free of discrimination and harassment and will provide reasonable accommodation as required by law.
Applicants must be legally authorized to work in the United States as a U.S. citizen or lawful permanent resident (green card holder).
Salary
$151,000-$185,000 USD

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