Hexion

Applied ML Scientist - Chemistry

Hexion$90K — $130K *
Pharmaceuticals & Biotech
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, Data Science, Computational Chemistry, Cheminformatics, or related field with relevant ML modeling experience.
  • Domain knowledge in chemistry, preferably polymer chemistry.
  • Ability to develop molecular and materials representations and evaluate predictive models.
  • Experience in applied statistics and uncertainty quantification, including model calibration.
  • Strong Python skills and familiarity with mainstream Python-based ML tools.
  • Experience using AI-assisted coding tools and knowledge of emerging ML methods.
  • Strong communication and collaboration skills for interfacing with cross-functional teams.

Responsibilities

  • Lead ML model development for predictions and optimizations in chemistry and formulation.
  • Collaborate with R&D and manufacturing to translate business goals into modeling tasks.
  • Curate and analyze chemical and experimental data to assess modeling limits.
  • Develop input representations for various data types relevant to modeling.
  • Select, train, and evaluate diverse modeling approaches including neural networks and Gaussian processes.
  • Quantify model performance and define validity domains for practical application.
  • Utilize transfer learning across multiple data sources to enhance model utility.
  • Explore and implement cutting-edge ML techniques to improve modeling capabilities.
  • Communicate technical methods and results effectively to varied audiences.

Benefits

  • Supportive environment for interdisciplinary collaboration.
  • Opportunity to work on innovative ML methods in a chemistry context.
  • Access to cutting-edge tools and technologies for model development.
Full Job Description
Job Responsibilities

  • Lead ML model development for prediction and optimization across chemistry, formulation, property, and process.
  • Collaborate with R&D and manufacturing on problem framing and translate business goals into well-posed multi-objective optimization modeling tasks.
  • Curate and analyze chemical and experimental data, assessing quality and structure and the limits it places on modeling.
  • Develop and select input representations for raw materials, chemistry, and signal data, such as molecular descriptors and fingerprints, learned embeddings, and spectral features.
  • Select, train, and evaluate models across families such as regression, tree ensembles, Gaussian processes, neural networks including physics-informed architectures, and chemistry foundation models.
  • Quantify and calibrate model performance and uncertainty, and define each model's domain of validity for downstream use.
  • Apply transfer learning to make use of multiple data sources, such as related tasks, prior campaigns, and data of varying fidelity and completeness.
  • Explore and adopt emerging ML methods, including LLM and agentic approaches, to advance modeling.
  • Communicate methods, results, and their limitations clearly to technical and non-technical audiences.


Minimum Qualifications

  • Bachelor's degree in Computer Science, Data Science, Computational Chemistry, Cheminformatics, or a related field, with substantial relevant experience in ML modeling experience for chemistry, formulation, process, or manufacturing problems.
  • Domain knowledge in chemistry, preferably polymer chemistry.
  • Demonstrated ability to develop molecular and materials representations and to select, train, and evaluate predictive models across families.
  • Experience in applied statistics and uncertainty quantification, including model calibration and domain of validity.
  • Strong Python skills and experience with mainstream Python-based ML frameworks and tools.
  • Active use of AI-assisted coding and other AI tools in daily work, with familiarity with emerging ML methods including LLM and agentic approaches.
  • Strong communication, collaboration, and stakeholder management skills for working with R&D, manufacturing, and business teams.


Preferred Qualifications

  • Master's degree in Computer Science, Data Science, Computational Chemistry, Cheminformatics, or a related field.
  • 5+ years experience.
  • Experience with cheminformatics, chemistry foundation models and physics-informed modeling.
  • Familiarity with active learning, Bayesian optimization, and related techniques.
  • Knowledge of ML engineering core tasks and techniques, such as data and optimization pipelines, model deployment, and MLOps.


Other

About Hexion

Hexion is a global specialty chemicals company that produces a range of resins, adhesives, and other chemical products. The company's products are used in a variety of industries, including automotive, construction, and electronics. Hexion was formed in 2005 through the merger of two chemical companies, Borden Chemical and Resolution Performance Products. The company is headquartered in Columbus, Ohio and has operations in North America, Europe, and Asia.
Learn more about Hexion
Size
4,300 employees
Industry
Founded
1857

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