Thermodynamics Software Developer

Insight Global; Houston (TX); On-site; USD 120,000 - 160,000; Full time

Job summary

Insight Global is seeking a highly skilled thermodynamics software engineer to advance the engine behind a process simulation platform. You will develop and maintain EOS, phase behavior, and distillation models in C++/Python, collaborating with engineers and domain experts to translate theory into high-performance tools.

You will contribute to model validation, documentation, and ongoing innovation, applying numerical methods to complex electrolyte systems and oil characterization while learning

Qualifications

• Master's or PhD in a related technical field or 5–10+ years in thermodynamics, process simulation or scientific software development.
• Experience developing scientific software focused on fluid modeling, thermodynamics, or process simulation.
• Hands-on experience with EOS, phase equilibrium calculations, activity coefficient models, property estimation, electrolyte systems, oil characterization.

Responsibilities

• Develop and maintain thermodynamic models and algorithms for process simulation.
• Bridge research methodologies and practical software applications with engineers, domain experts, and product teams.
• Validate models, document software, and support customer needs and ongoing platform innovation.

Skills

C++

Python

Thermodynamics

Process simulation

Numerical methods

Education

Master's or PhD in related field

Tools

Symmetry

Aspen

HYSYS

ProMax

UniSim

Job description

Job Description

This role will focus on enhancing the thermodynamic engine behind the client's process simulation platform, developing and maintaining the models and algorithms used to simulate complex processes across oil & gas, LNG, refining, carbon capture, hydrogen, and other energy-related industries. The developer will work on scientific software development, primarily in C++ with Python, improving capabilities related to equations of state, phase behavior, distillation, electrolyte systems, property estimation, and oil characterization. This person will partner closely with software engineers, domain experts, and product teams to translate advanced thermodynamic concepts into reliable, high-performance simulation tools, while also supporting model validation, technical documentation, customer needs, and ongoing innovation within the platform. The ideal candidate brings a strong foundation in computational thermodynamics, enjoys solving complex technical challenges, and can bridge the gap between research-level methodologies and practical software applications.

Skills and Requirements

• Master's or PhD in a related technical field (Chemical Engineering, Chemistry, Applied Mathematics, etc.) or 5-10+ years of hands-on experience in thermodynamics, process simulation, or scientific software development.
• Experience developing scientific software focused on fluid modeling, thermodynamics, or process simulation
• Hands-on experience with one or more of the following:Equations of State (EOS)Phase equilibrium calculationsActivity coefficient modelsProperty estimation methodsElectrolyte systemsOil characterization
• Strong background in numerical methods and thermodynamic calculations
• Proficiency in C++ and/or Python for scientific or engineering software development
• Experience designing, developing, testing, validating, and documenting software solutions
• Ability to work independently and collaborate effectively in a team environment
• Adaptability to learn new technologies, programming languages, and modeling approaches
• Experience with electrolyte thermodynamics and/or distillation algorithms
• Experience automating large-scale thermodynamic, numerical, or simulation workflows
• Experience using or developing commercial process simulation software (Symmetry, Aspen, HYSYS, ProMax, UniSim, etc.)
• Background in data science or machine learning
• Research or industry experience involving advanced thermodynamic modeling and simulation

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal employment opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment without regard to race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to [e-mail].