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Freelance Hydraulic Modeling Engineer Jobs (NOW HIRING)

Hydraulic Engineer II/III

Kenova, WV

$67K - $87K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Responsibilities include hydraulic modeling, flow assurance, engineering evaluations, and preparation of project documentation, including MPMPs, Charters, and other technical studies, while ensuring ...

Water Wastewater Hydraulic Lead Project Engineer

Tampa, FL · On-site

$77K - $100K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... Hydraulic Lead Project Engineer to help shape the future of our modeling and master planning ... Use advanced modeling to evaluate system performance, optimize infrastructure, and support ...

Hydraulic Engineer II/III

Cadiz, OH

$77K - $101K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Responsibilities include hydraulic modeling, flow assurance, engineering evaluations, and preparation of project documentation, including MPMPs, Charters, and other technical studies, while ensuring ...

Hydraulic Engineer II/III

Jewett, OH · On-site

$70K - $92K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Responsibilities include hydraulic modeling, flow assurance, engineering evaluations, and preparation of project documentation, including MPMPs, Charters, and other technical studies, while ensuring ...

Hydraulic Engineer II/III

Bulger, PA · On-site

$79K - $104K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Responsibilities include hydraulic modeling, flow assurance, engineering evaluations, and preparation of project documentation, including MPMPs, Charters, and other technical studies, while ensuring ...

Hydraulic Engineer II/III

Langley, KY · On-site

$60K - $78K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Responsibilities include hydraulic modeling, flow assurance, engineering evaluations, and preparation of project documentation, including MPMPs, Charters, and other technical studies, while ensuring ...

Water Hydraulic Modeling Intern

Austin, TX · On-site

$16.50 - $21.50/hr

... on hydraulic modeling, master planning, alternatives analysis, and conceptual design of water ... Gain real-world environmental and civil engineering experience through assisting with a wide array ...

Water Hydraulic Modeling Intern

Fayetteville, AR · On-site

$16 - $20.75/hr

... on hydraulic modeling, master planning, alternatives analysis, and conceptual design of water ... Gain real-world environmental and civil engineering experience through assisting with a wide array ...

Hydraulic Engineer

Raleigh, NC · On-site

$80K - $120K/yr

The Hydraulic Engineer supports and coordinates design activities, assists with project schedules ... Conducts HEC‑RAS 1D modeling for culverts and bridges; 2D modeling experience is a plus.

Water Hydraulic Modeling Intern

Houston, TX · On-site

$16 - $20.75/hr

... on hydraulic modeling, master planning, alternatives analysis, and conceptual design of water ... Gain real-world environmental and civil engineering experience through assisting with a wide array ...

Water Distribution System Hydraulic Engineer

Cary, NC

$75K - $98K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Use hydraulic modeling software to build, calibrate, and evaluate water systems for system planning ... Professional Engineer (P.E.) License or P. Eng * Experience working on water system modeling and ...

Hydraulic Engineer

Raleigh, NC · On-site

$80K - $120K/yr

The Hydraulic Engineer supports and coordinates design activities, assists with project schedules ... Conducts HEC-RAS 1D modeling for culverts and bridges; 2D modeling experience is a plus. * Supports ...

Showing results 41-60

Freelance Hydraulic Modeling Engineer information

See salary details

$14

$47

$132

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

As of Aug 14, 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.
More about Freelance Hydraulic Modeling Engineer jobs

What cities are hiring for Freelance Hydraulic Modeling Engineer jobs?

Cities with the most Freelance Hydraulic Modeling Engineer job openings:

What are the most commonly searched types of Hydraulic Modeling Engineer jobs?

The most popular types of Hydraulic Modeling Engineer jobs are:

What states have the most Freelance Hydraulic Modeling Engineer jobs?

States with the most job openings for Freelance Hydraulic Modeling Engineer jobs include:

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.

$67K - $87K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 7 days ago


Marathon Petroleum rating

6.3

Company rating: 6.3 out of 10

Based on 202 frontline employees who took The Breakroom Quiz

66th of 86 rated oil and gas companies


Job description

An exciting career awaits you


At MPC, we're committed to being a great place to work - one that welcomes new ideas, encourages diverse perspectives, develops our people, and fosters a collaborative team environment.

Position Summary:

This roleprovides hydraulic engineering support for natural gas and crude gathering systems by evaluating current and future system performance, identifying operational constraints, and developing engineering solutions that support operations, commercial development, and capital projects. Responsibilities include hydraulic modeling, flow assurance, engineering evaluations, and preparation of project documentation, including MPMPs, Charters, and other technical studies, while ensuring compliance with company standards and applicable regulatory requirements.

Responsibilities:

  • Independently performs steady-state hydraulic modeling for gas or liquid systems; begin modeling transient analysis.Independently manage multiple assignments, establish priorities, and deliver quality engineering work within established schedules with minimal supervision.

  • Gathers and interprets field data to troubleshoot issues and validate model results.

  • Supports capital project scoping with hydraulic inputs.

  • Coordinates directly with operations on pressure concerns, system balancing or outage impacts.Collaborate with Operations, Producer Customers, Business Development, Measurement, Construction, and Project Engineering to develop practical engineering solutions and support project execution

  • Prepares technical memos, slides and visualizations for broader audiences.Excellentwritten, verbal, and presentation skills with the ability to communicate technical information effectively across all levels of the organization and with internal and external stakeholders

  • Configures leak detection systems/models or PI Vision screens to monitor for anomalies.

  • Independently performs hydraulic modeling or develop and maintain leak detection models.

  • Coordinates operations concerns from a pressure control and capacity maximization perspective.Maintain working knowledge of field operations and system troubleshooting, including pigging, hydrates, liquids management, pressure control, and gathering system operations

  • Develop, maintain, calibrate, and analyze hydraulic models using Synergi Gas, Synergi Liquid, and/or PIPER, integrating GIS shapefiles, PI/PI Vision, FLOWCAL, producer forecasts, and operating data.

  • Experience developing, interpreting, or utilizing transient hydraulic models using Symmetry, SPS, or equivalent software.

  • Possess a strong understanding of natural gas and crude gathering systems, including pipeline hydraulics, flow assurance, compression, pumping, treating, processing, and facility operations.

  • Analyze current operating conditions and future producer forecasts to identify capacity constraints, optimize gathering system performance, and develop engineering recommendations that support operations, commercial development, and capital projects.

  • Prepare engineering evaluations, MPMPs, Charters, technical scopes, and other project documentation supporting pipelines, compressor stations, pump stations, treating facilities, and other midstream infrastructure.

Minimum Qualifications:

  • Bachelor's degree in engineering required; chemical or mechanical preferred.

  • Two (2) years or more of experience required.

As an energy industry leader, our career opportunities fuel personal and professional growth.

Location:

Canonsburg, Pennsylvania

Additional locations:

Bulger, Pennsylvania, Cadiz, Ohio, Evans City, Pennsylvania, Hickory, Pennsylvania, Jewett, Ohio, Kenova, West Virginia, Langley, Kentucky, Smithfield, West Virginia, Washington, Pennsylvania, West Union, West Virginia

Job Requisition ID:

00023157

Location Address:

4600 Jbarry Ct Ste 500

Education:

Bachelors (Required)

Employee Group:

Full time

Employee Subgroup:

Regular

Marathon Petroleum Company LP is an Equal Opportunity Employer and gives consideration for employment to qualified applicants without discrimination on the basis of race, color, religion, creed, sex, gender (including pregnancy, childbirth, breastfeeding or related medical conditions), sexual orientation, gender identity, gender expression, reproductive health decision-making, age, mental or physical disability, medical condition or AIDS/HIV status, ancestry, national origin, genetic information, military, veteran status, marital status, citizenship or any other status protected by applicable federal, state, or local laws. If you would like more information about your EEO rights as an applicant, click here.
If you need a reasonable accommodation for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at talentacquisition@marathonpetroleum.com. Please specify the reasonable accommodation you are requesting, along with the job posting number in which you may be interested. A Human Resources representative will review your request and contact you to discuss a reasonable accommodation. Marathon Petroleum offers a total rewards program which includes, but is not limited to, access to health, vision, and dental insurance, paid time off, 401k matching program, paid parental leave, and educational reimbursement. Detailed benefit information is available athttps://mympcbenefits.com.The hired candidate will also be eligible for a discretionary company-sponsored annual bonus program.
Equal Opportunity Employer: Veteran / Disability

We will consider all qualified Applicants for employment, including those with arrest or conviction records, in a manner consistent with the requirements of applicable state and local laws. In reviewing criminal history in connection with a conditional offer of employment, Marathon will consider the key responsibilities of the role.


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About Marathon Petroleum

Sourced by ZipRecruiter

Marathon Petroleum Corporation, headquartered in Findlay, Ohio, US, is a leading independent petroleum refining, marketing, and transportation company. Their official website can be found at marathonpetroleum.com. The company, part of the energy sector, was established in 1887, making it one of the oldest petroleum companies in the US. It operates an integrated refining, marketing and transportation system concentrated primarily in the Midwest, Northeast, East Coast, Southeast and Gulf Coast of the United States. This includes refineries, pipelines, and terminals that process and transport crude oil and refined products.

Industry

Oil and gas extraction

Company size

10,000+ Employees

Headquarters location

Findlay, OH, US

Year founded

1887