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Freelance Hydraulic Modeling Engineer Jobs (NOW HIRING)

GPD Group

Water Resources Modeling Engineer

Louisville, KY

$69K - $94K/yr

Water Resources Modeling Engineer Join GPD Group, where our purpose is to improve the well-being of ... Hydrology and Hydraulic analysis and modeling for bridges, large culverts, stream restoration ...

GPD Group

Water Resources Modeling Engineer

Akron, OH

$75K - $103K/yr

Water Resources Modeling Engineer Join GPD Group, where our purpose is to improve the well-being of ... Hydrology and Hydraulic analysis and modeling for bridges, large culverts, stream restoration ...

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How much do freelance hydraulic modeling engineer jobs pay per hour?

As of Aug 13, 2026, the average hourly pay for freelance hydraulic modeling engineer in the United States is $47.71, according to ZipRecruiter salary data. Most workers in this role earn between $24.28 and $61.78 per hour, depending on experience, location, and employer.

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

To thrive as a Freelance Hydraulic Modeling Engineer, you need a solid background in civil or environmental engineering, fluid mechanics, and hydraulic modeling principles, typically supported by a relevant engineering degree. Proficiency with software tools such as HEC-RAS, SWMM, InfoWorks, or similar hydraulic modeling systems, along with familiarity with GIS and CAD platforms, is essential. Strong analytical thinking, problem-solving, and effective communication skills set top professionals apart in client interactions and project delivery. These skills and qualities are crucial for delivering accurate analyses, ensuring regulatory compliance, and building client trust in both independent and collaborative project environments.

What does a freelance hydraulic modeling engineer do?

A Freelance Hydraulic Modeling Engineer specializes in simulating and analyzing the behavior of water and other fluids within various systems, such as pipelines, rivers, and drainage networks. They use advanced software tools to model fluid dynamics, assess infrastructure performance, predict potential issues, and help design efficient water management solutions. Working on a freelance basis, they often assist engineering firms, municipalities, or developers on a project-by-project basis, providing expertise in hydraulic modeling without being tied to a single employer.

What is the difference between Freelance Hydraulic Modeling Engineer vs Civil Hydraulic Engineer?

AspectFreelance Hydraulic Modeling Engineer
CredentialsEngineering degree, hydraulic modeling certifications
Work EnvironmentIndependent, project-based, remote or on-site
Employer & IndustryConsulting firms, engineering companies, government agencies
Common Search & ComparisonFocus on modeling skills, flexibility, and project scope

The Freelance Hydraulic Modeling Engineer specializes in creating hydraulic models on a project basis, often working independently. In contrast, a Civil Hydraulic Engineer may work full-time within a firm or government agency, handling broader civil engineering tasks. Both roles require similar credentials but differ mainly in employment structure and work setup.

What are some common challenges faced by freelance hydraulic modeling engineers, and how can they be addressed?

Freelance Hydraulic Modeling Engineers often encounter challenges such as limited access to proprietary modeling software, managing client expectations regarding project timelines, and ensuring clear communication with multidisciplinary teams remotely. To address these, professionals typically invest in widely accepted software licenses, establish clear project scopes and deliverables upfront, and use collaborative tools to stay connected with clients and other engineers. Staying updated with industry best practices and maintaining a strong professional network also helps in overcoming technical and communication hurdles.
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Freelance Hydraulic Modeling Engineer jobs near you
Infographic showing various Freelance Hydraulic Modeling Engineer job openings in the United States as of August 2026, with employment types broken down into 92% Full Time, 2% Part Time, and 6% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $99,230 per year, or $47.7 per hour.

Utility Modeling Engineer - Land Development

England Thims and Miller

Jacksonville, FL • On-site

Full-time

Re-posted 19 days ago

Job description

Who We Are Looking For
We are seeking a Utility Modeling Engineer to support the planning, analysis, and design of complex water, wastewater, and reclaimed water systems. This role is ideal for an engineer with strong hydraulic modeling experience who enjoys solving system-wide challenges, developing master utility plans, and supporting large-scale infrastructure projects through data-driven decision making.
The ideal candidate will possess expertise in hydraulic and hydraulic-grade-line modeling using Bentley WaterGEMS and WaterCAD and have experience supporting utility master plans, phased developments, lift station design, force main systems, pump station evaluations, and utility infrastructure expansion projects. This individual will work closely with project managers, utility engineers, and municipal clients to develop reliable system models that guide planning, design, permitting, and long-term capital improvements.
Key Responsibilities:
Hydraulic Modeling & Analysis
  • Develop, maintain, and calibrate hydraulic models for:
    • Water distribution systems
    • Wastewater collection systems
    • Reclaimed water systems
    • Force main networks
  • Utilize Bentley WaterCAD and WaterGEMS to evaluate system performance under existing and future conditions.
  • Analyze pressures, velocities, fire flow availability, storage requirements, and system reliability.
  • Perform scenario analyses to evaluate growth, infrastructure improvements, operational changes, and emergency conditions.
  • Develop recommendations for system optimization and capital improvement planning.

Master Planning & Phased Development
  • Create and manage master utility models for large-scale, multi-phase development projects.
  • Evaluate infrastructure requirements associated with phased growth and future buildout conditions.
  • Identify capacity constraints and recommend utility improvements to support future development.
  • Prepare technical memorandums and utility planning reports supporting entitlement and infrastructure planning efforts.
  • Coordinate with land development teams to integrate utility planning into overall site development strategies.

Wastewater & Pumping Systems
  • Model wastewater collection systems and force main networks.
  • Evaluate lift station performance and hydraulic grade lines.
  • Support lift station sizing and design efforts.
  • Perform pump selection and pump system evaluations.
  • Analyze wet well storage requirements, pump curves, operating conditions, and system efficiencies.
  • Develop alternatives for system expansion, redundancy, and operational reliability.

Design Support
  • Provide hydraulic modeling support for utility design projects.
  • Collaborate with utility engineers during preliminary and final design.
  • Support preparation of engineering reports, calculations, technical specifications, and permit applications.
  • Assist with construction-phase troubleshooting and operational analyses when required.

Data Management & GIS Integration
  • Maintain utility system databases and model inventories.
  • Coordinate GIS, survey, and utility record information for model development.
  • Verify model accuracy through field data, flow monitoring, pressure testing, and utility owner records.
  • Develop model documentation standards and quality control procedures.

Client & Team Collaboration
  • Present technical findings and recommendations to clients and project teams.
  • Collaborate with municipal utility departments, developers, and regulatory agencies.
  • Support proposals, interviews, and technical pursuits involving utility planning and modeling services.
  • Mentor engineers and designers in hydraulic modeling principles and best practices.

Requirements
Requirements
  • Bachelor's degree in Civil, Environmental, or related Engineering field.
  • Professional Engineer (P.E.) license preferred.
  • 5+ years of experience in utility engineering and hydraulic modeling.
  • Advanced proficiency with:
    • Bentley WaterGEMS
    • Bentley WaterCAD
  • Experience developing:
    • Water distribution models
    • Wastewater collection system models
    • Reclaimed water models
    • Force main analyses
  • Experience supporting utility master planning studies and phased development projects.
  • Knowledge of lift station design, pump selection, and wastewater conveyance systems.
  • Familiarity with GIS integration and utility data management.
  • Strong technical writing and communication skills.

What you'll need to be successful...
A successful Utility Modeling Engineer:
  • Serves as the firm's subject matter expert for utility system modeling.
  • Develops accurate, defensible models that clients rely on for planning and capital investments.
  • Understands how utility systems evolve over multiple phases of development and can proactively identify future constraints.
  • Bridges the gap between utility master planning and detailed design.
  • Provides practical recommendations that improve system reliability, constructability, and long-term performance.
  • Builds trusted relationships with utility owners, municipalities, and internal project teams through technical excellence and responsiveness.

Who we are...Trusted Advisors, Creating Community
Our firm has assembled a remarkable team encompassing a wide range of experiences and backgrounds. Through collaborative efforts in a supportive environment, we consistently deliver top-notch work of exceptional quality. We prioritize the growth and fulfillment of each team member, providing ample opportunities for professional and personal development.
A key factor in this is our engagement with high-caliber, 'Class-A' projects and esteemed clients. We approach our work with unwavering passion, recognizing the positive impact we have on the communities we serve.
https://www.etminc.com/culture/
What we offer...
We recognize and reward hard work, we offer a competitive salary, full benefits package, and a potential performance-based bonus. More than four decades ago, England-Thims & Miller, Inc. was founded by three visionaries who wanted to take care of their clients with a focus on boutique, customer-centric, best-in-class services. Today, with the help of over 300, we have built a business around taking care of not only said clients but our communities and team members.
What to do next...
If England-Thims & Miller, Inc. sounds like the place for you (and if you have the qualifications, drive, and passion to match), we invite you to become a member of our winning team! Once you're part of our ETM family, we'll continue to invest in you as a valuable asset in our company.
This job description is representative of typical responsibilities and is not intended to be a complete list of all duties or skills required for the job. It is subject to review and change at any time, with or without notice, in accordance with company needs.
ETM is proud to be an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.

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