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Design Engineer III - Simulation
Mueller Co.
Design
Decatur, IL, USA
USD 79,709-109,587 / year + Equity
Posted on May 18, 2026
Who We Are:
Thank you for your interest in Mueller Water Products, Inc.
For more than 165 years, Mueller Water Products, Inc. has been building the future of water infrastructure. From lifesaving fire protection to data intelligence, we are committed to developing products and solutions that help cities and utilities deliver clean, safe drinking water to hundreds of millions of people across North America.
Our purpose is to connect communities to water, life’s most essential resource, with exceptional, people solutions and products. Behind that purpose is a dedicated team, united by our shared values of respect, integrity, trust, inclusion and safety. With a vision to be the leader in water infrastructure solutions—solving challenges, enriching lives and safeguarding the future—we are making a positive impact that will last for generations.
By joining Mueller, you become part of a dynamic team dedicated to excellence and innovation, working collaboratively to achieve meaningful results. We champion our people because when they succeed, our communities thrive. We invite you to learn more about career opportunities with us and consider submitting your application.


Design Engineer III - SimulationMueller Water Products is the nation's leading manufacturer of flow control devices for the water and gas distribution industries and has an immediate opening for a Design Engineer III – Simulation. For over 160 years, MWP's manufacturing commitment has ensured one of the world's most precious resources, clean drinking water, reaches millions of people daily. Come be a part of something that sustains and enriches the lives of every human being.
As a Design Engineer III – Simulation, you will independently perform finite element analysis (FEA) and computational fluid dynamics (CFD) simulations to support the design, validation, and optimization of mechanical components and assemblies. You will apply established modeling practices to standard and moderately complex problems, delivering high-quality analysis that supports engineering decisions across Mueller's product lines.
Primary Responsibilities:
- Independently perform FEA and CFD analyses including model setup, meshing, boundary condition definition, solving, and post-processing.
- Evaluate mechanical components and assemblies subjected to static and dynamic loading, thermal effects, pressure, and flow conditions.
- Apply established modeling practices and methodologies to standard and moderately complex simulation problems.
- Support design decisions by delivering clear, well-documented analysis results to design, manufacturing, and project teams.
- Produce formal engineering analysis reports for internal use, documenting assumptions, methods, limitations, and conclusions.
- Support work in regulated or quality-critical applications, including products used in nuclear, BPVC, and energy/power generation markets.
- Contribute to design failure mode and effect analysis (DFMEA) sessions with cross-functional teams.
- May provide peer input or informal review of simulation work performed by others.
- Identify and communicate technical risks related to simulation results.
- Support continuous improvement of simulation standards, best practices, and workflow efficiency.
Required Skills
- Strong communication and technical presentation skills.
- Excellent analytical and problem-solving skills.
- Sound engineering judgment within known modeling frameworks.
Required Education/Experience
- Bachelor's Degree in Mechanical Engineering or related technical discipline.
- Typically 7+ years of progressive experience performing FEA and/or CFD in industrial or mechanical design environments.
- Expert-level proficiency in one or more simulation platforms: ANSYS Mechanical, ANSYS Fluent/CFX, SolidWorks Simulation, SolidWorks Flow Simulation, Abaqus, or COMSOL.
- Experience working in a team-oriented, collaborative environment.
- Working knowledge of testing methodologies, testing processes, and standards.
Preferred
- Advanced degree (MS or PhD) in Mechanical Engineering or related field.
- Experience with MATLAB and/or Python for post-processing, validation, or workflow automation.
- GD&T knowledge.
- Working knowledge of casting, machining, and manufacturing processes.
- Six Sigma Black Belt or Green Belt.
- FE/EIT or PE certification.
Salary/Pay Range:
The compensation range above reflects a good-faith estimate of starting base pay for full-time (40 hours per week) employment as of the date of posting. Individual compensation may vary depending on a variety of factors, including, but not limited to, the role, professional experience, job-related skills, achievements, and/or work location. The range listed is only one component of the total compensation package offered to candidates.
Other Compensation & Benefits:
Mueller offers an excellent salary and benefits package. Current benefit offerings include medical, dental, and vision insurance, 401k plan with 5% Company match, Employee Stock Purchase Plan (ESPP), short-term and long-term disability benefits, vacation, 100% paid parental leave, tuition reimbursement program, student debt retirement matching, well-being program, Employee Assistance Program (EAP), company-provided life insurance, supplemental insurance at group rates, and more.
Equal Employment Opportunity:
Mueller Water Products, Inc., as well as its subsidiaries, are equal employment employers. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, sexual orientation, gender identity, and/or expression), age, national origin, disability, citizenship status (except as authorized by law), protected veteran status, genetic information, and any other characteristic protected by federal, state or local law. In keeping with its obligations under applicable federal, state, and local law, Mueller will make reasonable accommodations for qualified individuals with disabilities. To request a reasonable accommodation at any time during the application or interview process, please contact a member of the Human Resources Department.
This employer participates in E-Verify. E-Verify is a web-based system that allows employers to confirm the eligibility of their employees to work in the United States. The system compares information from an employee's Form I-9, Employment Eligibility Verification, to data from U.S. Department of Homeland Security and Social Security Administration records. This notice applies to all applicants and employees, including those hired to work remotely.


Notice of E-Verify Participation:
This employer participates in E-Verify. E-Verify is a web-based system that allows employers to confirm the eligibility of their employees to work in the United States. The system compares information from an employee's Form I-9, Employment Eligibility Verification, to data from U.S. Department of Homeland Security and Social Security Administration records. This notice applies to all applicants and employees, including those hired to work remotely.
Upon enrollment, employers participating in E-Verify are required to clearly display the Notice of E-Verify Participation and Right to Work posters in English and Spanish, both which may be accessed at the links provided below.
Accommodation:
If you require accommodations during any stage of the application or interview process, please let us know. We are happy to work with you to meet your needs.