Research Engineer III

The Research Engineer III plays a pivotal role in shaping the future of our simulation capabilities. They develop and implement innovative techniques across various product platforms, driving strategic advantages and propelling our engineering prowess forward. They are experts in their field, mentors and guides engineers, and foster a collaborative environment where innovation thrives. They work on complex projects (flow and heat transfer/combustion/optimization/fluid structure interaction/vibroacoustic) with the design engineers towards improvement of product design. They also collaborate closely with cross-functional departments like R&D, Product Development, and Manufacturing to seamlessly integrate simulation into the product lifecycle.This position will support Rheem North America and based in Montgomery, AL, or Roswell, GA (Hybrid). This role follows our hybrid work arrangement, with team members working in the office Monday through Thursday and remotely on Fridays. At Rheem, we engineer products for life. For home life. For work life. For the life of the planet we all share. Backed by over 100 years of expertise, we’re passionate about product innovation and boldly committed to sustainability. Our full line of global air and water solutions deliver reliable performance, comfort and energy savings for residential and commercial applications worldwide. From engineers to accountants, sales professionals to support experts, Rheem depends on people to power our innovations. Join Rheem and help shape the future of products that impact lives—every day. Our Behavior Based Values set us apart: Listening to Understand – Open mind, learning from others, accepting feedback, embracing the objectiveContributing Respectfully - Sharing opinions, valuing ideas, sharing opposing perspectives with respectThinking Creatively – Applying creativity, seeking improvements, understanding from the customers’ lensActing with Responsibility – Owning decisions and actions, acting with integrity, embracing accountability Rheem is an Equal Opportunity Employer. Rheem encourages all qualified candidates to apply, including those of any race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The job description above has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications required of employees assigned to this job. Equivalent combination of education, experience, and skills may supplement above minimum job requirements. For U.S. Based jobs, please note that Rheem is unable to hire candidates to be employed in the following states: Alaska, District of Columbia, Hawaii, Idaho, Mississippi, Montana, New Mexico, North Dakota, or Vermont. Rheem and its subsidiaries do not accept unsolicited resumes from recruiters or employment agencies. In the absence of an executed Recruitment Services Agreement, there will be no obligation to any referral compensation or recruiter fee. Bachelor’s degree in Mechanical / Aerospace / Chemical EngineeringMinimum 5 years working on various industrial simulations, R&D development, product development.Proven experience in the evaluation, analysis, optimization, qualification, and implementation of thermal solutions in consumer or industrial productsStrong understanding of thermodynamics, fluid dynamics, combustion physics, and chemical kinetics.Proficiency in CFD tools such as Ansys Fluent, Star-CCM+, Converge CFD, OpenFOAM, or similar software.Strong analytical and problem-solving skills, with a track record of delivering innovative engineering solutions.Excellent communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams.Demonstrate ability to serve as a technical expert and advisor, influencing engineering decisions and providing guidance on complex simulation challenges.Ability to prioritize and manage simulation activities across projects or functional areas, including planning, execution, and delivery of results.HOW TO STAND OUTMaster’s / PhD degree in Engineering, Applied Physics, or Applied Mathematics3+ years of experience in the analysis, modeling, optimization, and practical application of combustion CFD simulations to industrial systemsAdvanced knowledge of Star CCM+ or OpenFOAMKnowledge of usage of AI / ML applications for engineering simulation. Knowledge of Linux administration / usage. Demonstrate prior experience with open source CFD solver developmentAs a leader at Rheem, how you achieve results is as important as the results you achieve. While LEADING OTHERS, you will be expected to demonstrate the following competencies and behaviors: Aligning Performance for Success Applying Business Knowledge Building Talent Building Trusting Relationships Communicating with Impact Customer-Orientation Delegating Tasks Executing/Leading the Team Facilitating Change Fostering Relationships/Emotional Intelligence Influencing Problem Solving & Decision Making Supporting Innovation Equivalent combination of education, experience, and skills may supplement above minimum job requirements. #LI-FM1#LI-HybridPerform CFD simulations to analyze combustion and other flow related processes in water heating and air handling systems.Develop and implement models for combustion, chemical kinetics, heat transfer, and turbulence.Use commercial or open-source CFD software (e.g., StarCCM+, ANSYS Fluent, CONVERGE, OpenFOAM) to solve complex fluid flow problems.Develop simulation techniques in CFD, FEA, acoustics, casting, optimization etc. for research and NPI support for various Water heating and Air product platformsWork with the design team to understand the scope of work and evaluate the proper simulation tool / principles needed for the task.Collaborate with product development teams to coordinate experiments and implement findings.Investigate applicability of new technologies for product valuation benefits to the company and/or customer through first principles approach, 1D or 3D simulation techniquesStay abreast of emerging technologies and methodologies in engineering simulations, ensuring the team remains at the forefront of industry advancements.Full timePosting Date: 2026-06-03