Thermodynamic Model Developer

Location: Parsippany, NJ

About the Role

Join our innovative team at OLI Systems, where we’re transforming the future of chemistry modeling. We’re seeking a Specialist in Chemical Engineering Thermodynamics to advance and deploy high-fidelity predictive models. As a member of our Research and Database team, you will tackle real-world industrial challenges, model next-generation solutions with precision, and make a lasting impact across global industries.

This role requires technical proficiency and vision in thermodynamic, transport, and interfacial phenomena modeling. We’re looking for someone who is not only well-versed in the science but also excited to drive innovative strategy and contribute to our expansive research portfolio.

About OLI

OLI Systems is a leader in chemistry solutions, specializing in advanced process modeling for complex chemical phenomena. Our solutions have redefined problem-solving in over 35 countries, serving over 500 enterprises and academic institutions. We are committed to innovation and sustainability, pioneering technologies such as real-time electrolyte chemistry insights, automated systems, and cloud-based analytics.

Responsibilities

• Advance thermodynamic, transport, and interfacial phenomena models to achieve high fidelity in predicting thermodynamic and corrosion behaviors within OLI’s simulation software platform.
• Provide technical expertise to guide the development of our project portfolio, identifying opportunities and ensuring alignment with industry needs.
• Tailor and optimize models for industrial systems to enhance predictive capabilities in sectors such as oil and gas, metals and mining, power generation, and water treatment.
• Collaborate closely with clients to ensure modeling solutions meet their unique simulation needs and provide expert guidance on model application and interpretation.
• Work with a multidisciplinary team of physical property researchers, process system engineers, and software developers to drive innovation and solve complex problems.
• Engage with universities and national laboratories on joint theoretical and experimental studies addressing societal challenges, particularly in sustainability and asset integrity.

Requirements

• PhD in Chemical Engineering, Physical Chemistry, Materials Science, or a related field.
• Postdoctoral experience in academia or industry is preferred.
• Proven research expertise in thermodynamics and physical properties of electrolyte and/or non-electrolyte containing systems or electrochemical corrosion modeling.
• Proven research expertise in solving phase and chemical equilibrium problems, including vapor-liquid-solid phases, using equations of state and activity coefficient models.
• Strong background in fundamentals-based modeling, particularly in reaction kinetics, heat and mass transfer in unit operations, and design for advanced reactors or separation processes.
• Experience in mechanistic model development and application of simulation in key industrial verticals such as oil and gas, renewables, metals and mining, and water treatment.

Skills

• Strong background in mathematical model development, numerical methods, and scientific programming (e.g., C++, Python, MATLAB, Fortran).
• Experience with process simulation platforms (e.g., ASPEN, HYSYS, Pro-II, OLI).
• Experience with AI/ML applications (e.g., Hybrid, PINNs).
• Expertise in regression analysis, data interpretation, and model parameterization.
• Extensive experience in analyzing and modeling electrolyte and thermophysical properties for scientific applications.
• Transport and fluid flow modeling experience is a plus.

Benefits

• Opportunity to be part of a groundbreaking team redefining industrial chemistry modeling.
• Collaborative and dynamic work environment where contributions are valued and recognized.
• Competitive compensation package, including incentive-based pay.