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Fluid Structure Interaction Internship Jobs (NOW HIRING)

Hansoninc

Geotechnical Engineer

Saint Louis, MO · On-site

$85K - $120K/yr

Strong understanding of soil-structure interaction and geotechnical design principles ... Award-winning internship program * Employee recognition * And so much more! AN EQUAL OPPORTUNITY ...

Hansoninc

Geotechnical Engineer

Springfield, IL · On-site

$85K - $120K/yr

Strong understanding of soil-structure interaction and geotechnical design principles ... Award-winning internship program * Employee recognition * And so much more! AN EQUAL OPPORTUNITY ...

Hansoninc

Geotechnical Engineer

Lisle, IL · On-site

$85K - $120K/yr

Strong understanding of soil-structure interaction and geotechnical design principles ... Award-winning internship program * Employee recognition * And so much more! AN EQUAL OPPORTUNITY ...

Hansoninc

Geotechnical Engineer

Chicago, IL

$85K - $120K/yr

Strong understanding of soil-structure interaction and geotechnical design principles ... Award-winning internship program * Employee recognition * And so much more! AN EQUAL OPPORTUNITY ...

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Fluid Structure Interaction Internship information

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$19

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How much do fluid structure interaction internship jobs pay per hour?

As of Jun 8, 2026, the average hourly pay for fluid structure interaction internship in the United States is $19.34, according to ZipRecruiter salary data. Most workers in this role earn between $15.38 and $21.63 per hour, depending on experience, location, and employer.

What is a Fluid Structure Interaction Internship?

A Fluid Structure Interaction (FSI) Internship is a temporary position designed for students or recent graduates to gain hands-on experience in studying how fluids (like water or air) interact with solid structures. Interns typically assist with simulations, modeling, and analysis using specialized software to predict and understand these interactions. This role is common in industries such as aerospace, civil engineering, and biomedical engineering, where understanding FSI is critical for designing safe and efficient products or systems.

What is the difference between Fluid Structure Interaction Internship vs Fluid Dynamics Engineer?

AspectFluid Structure Interaction InternshipFluid Dynamics Engineer
Required CredentialsTypically pursuing or recent graduate in Mechanical, Aerospace, or Civil EngineeringBachelor's or Master's in Mechanical, Aerospace, or Civil Engineering; often with specialized fluid dynamics coursework
Work EnvironmentResearch labs, internship programs, collaborative projects with engineering teamsDesign offices, research labs, industrial settings, project-based work
Industry UsageInternship roles in aerospace, automotive, civil engineering firmsFull-time roles in aerospace, automotive, energy, and research sectors

While both roles involve fluid mechanics, a Fluid Structure Interaction Internship focuses on gaining practical experience in simulating and analyzing interactions between fluids and structures, often as part of an internship program. A Fluid Dynamics Engineer, on the other hand, is a full-time professional responsible for designing, analyzing, and optimizing fluid systems. The internship provides foundational exposure, whereas the engineer role involves advanced responsibilities and project leadership.

What are the key skills and qualifications needed to thrive as a Fluid Structure Interaction Intern, and why are they important?

To thrive as a Fluid Structure Interaction Intern, you need a strong background in mechanical or aerospace engineering, applied mathematics, or related fields, along with knowledge of fluid dynamics and structural mechanics. Familiarity with simulation tools such as ANSYS, Abaqus, or COMSOL, and programming languages like Python or MATLAB, is typically required. Strong analytical thinking, problem-solving abilities, and effective communication skills set candidates apart. These competencies are vital for accurately modeling complex interactions and collaborating with multidisciplinary teams to drive innovative engineering solutions.

What typical projects or tasks can I expect to work on during a Fluid Structure Interaction Internship?

As a Fluid Structure Interaction (FSI) intern, you can expect to contribute to projects involving the simulation and analysis of how fluids interact with solid structures. This often includes setting up and running computational models using FSI software, analyzing simulation results, and collaborating with engineers from both fluid dynamics and structural teams. Interns may also assist in validating computational results with experimental data and help optimize designs based on simulation insights. These experiences provide a strong foundation for understanding interdisciplinary engineering challenges and can open doors to advanced roles in simulation and analysis.
Infographic showing various Fluid Structure Interaction Internship job openings in the United States as of May 2026, with employment types broken down into 4% Internship, 88% Full Time, 4% Part Time, and 4% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $40,232 per year, or $19.3 per hour.

Senior Mechanical Analyst Energy - Remote

AtkinsRéalis

Oak Ridge, TN • On-site, Remote

$113K - $188K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 8 days ago

Job description

Job Description
Overview
We are seeking a Senior Mechanical Analyst Energy - Remote. This remote position is based out of our Oak Ridge, TN office.
Your role
  • AtkinsRéalis US Nuclear is the subsidiary of AtkinsRéalis focused on serving government and commercial clients within the Nuclear sector in the United States.
  • We are focused on being recognized as a premier nuclear solutions company in the United States, delivering engineering, operations, and project management services.
  • Serves both legacy and new build nuclear clients who are designing, building, upgrading, operating and maintaining nuclear power generation and fuel cycle assets.
  • We are a growing business, building on the foundation of our US government fuel cycle business, our international position as an Original Equipment Manufactor (OEM) and nuclear reactor technology provider, and our world-wide nuclear new build and legacy nuclear fleet maintenance experience.
  • Develops, designs and validates structural and fluid dynamics models for small modular reactors and nuclear fuel cycle facility projects.
  • Performs structural analysis and steady-state and transient computational fluid dynamics (CFD) simulations of single and multiphase flow to verify safety and performance requirements for small modular reactors.
  • Evaluates CFD simulations and coupled fluid-structure interaction (FSI) analyses to assess the structural integrity of critical reactor systems.
  • Upskills early-career engineers and mentor engineers at multiple experience levels on CFD modelling and troubleshooting.
  • Prepares, checks and/or approves CFD and mechanical structural analysis calculations.
  • Ensures that design deliverables are of a high standard and compliant with relevant standards, regulations and customer specific standards, including nuclear quality assurance standards.
  • Produces documentation that is technically accurate, grammatically correct, correctly formatted and professionally presented.
  • Develops resolutions to technical issues and ensure necessary change control is implemented.
  • Performs other duties as assigned.

About you
  • Bachelor's or Master's degree in Mechanical Engineering.
  • Minimum of ten years post-baccalaureate experience.
  • Engineering support to nuclear facility design, construction or operations.
  • Strong communication skills in a challenging, multi-tiered environment.
  • Strong organizational skills.
  • Knowledge of key NRC regulations, design codes and standards for commercial nuclear facilities required.
  • Expert user of related design software codes, including ANSYS FLUENT/CFX and GOTHIC.
  • Design for Commercial and Department of Energy nuclear reactor projects preferred.
  • Design for Commercial and Department of Energy nuclear fuel cycle facilities preferred.
  • Nuclear Steam Supply System (NSSS) Original Equipment Manufacturer (OEM) experience preferred.
  • Must be a U.S. citizen in order to be considered.

Rewards & benefits
At AtkinsRéalis, our values-Safety, Integrity, Collaboration, Innovation, and Excellence-are more than just words. They are the foundation of who we are and how we work. These principles shape our culture, guide our decisions, and inspire us to create an environment where every team member feels empowered to grow, succeed, and make a meaningful impact.
Depending on your employment status, AtkinsRéalis benefits may include medical, dental, vision, company-paid life and short- and long-term disability benefits, employer-matched 401(k) with 100% vesting, employee stock purchase plan, Paid Time Off, leaves of absences options, flexible work options, recognition and employee satisfaction programs, employee assistance program, and voluntary benefits. You can review our comprehensive benefits page here.
About AtkinsRéalis
We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a better future for our planet and its people.
Find out more.
Additional information
Expected compensation range is between $113,000 - $188,000 annually depending on skills, experience, and geographical location.
Are you ready to expand your career with us? Apply today and help us shape something extraordinary.
AtkinsRéalis is an equal opportunity, Drug-Free employer EOE/Veteran/Disability
Please review AtkinsRéalis' Equal Opportunity Statement here.
AtkinsRéalis cares about your privacy and is committed to protecting your privacy. Please consult our Privacy Notice our Careers site to know more about how we collect, use and transfer your Personal Data. By submitting your personal information to AtkinsRéalis, you confirm that you have read and accept our Privacy Notice.
Note to staffing and direct hire agencies:
In the event a recruiter or agency who is not on our preferred supplier list submits a resume/candidate to anyone in the company, AtkinsRéalis family of companies, we explicitly reserve the right to recruit and hire the candidate(s) at our discretion and without any financial obligation to the recruiter or agency. https://careers.atkinsrealis.com/recruitment-agencies
#LI-Remote
Worker Type
Employee
Job Type
Regular
At AtkinsRéalis, we seek to hire individuals with diverse characteristics, backgrounds and perspectives. We strongly believe that world-class talent makes no distinctions based on gender, ethnic or national origin, sexual identity and orientation, age, religion or disability, but enriches itself through these differences.

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