Thermal Simulation Engineer

At Alcon, we innovate to enhance sight and improve lives. With more than 25,000 associates, we champion progress, act swiftly, and create inclusive opportunities for career growth.

The Thermal Simulation Engineer will be located at Alcon’s R&D site in Lake Forest, CA. The role focuses on developing computational models and simulations to assess medical device performance, supporting virtual prototyping, product design, and regulatory activities for ophthalmic surgical consoles and diagnostic systems.

• Perform advanced thermal management modeling of electronics assemblies, leveraging conjugate heat transfer concepts.
• Lead simulation projects using Icepak, FloEFD, and Ansys Workbench, ensuring convergence and model accuracy.
• verify simulation results against experimental data, collaborating with testing teams.
• Define simulation scope, requirements, and objectives, and present findings to cross‑functional product teams.
• Provide technical guidance to mechanical and electrical engineers early in the design cycle to mitigate thermal issues.
• Develop and validate new simulation methods, incorporating AI/ML acceleration techniques when appropriate.
• Prepare professional analysis reports and manage multiple concurrent projects.

• BS in Mechanical, Aerospace, or Biomedical Engineering with coursework in Conjugate Heat Transfer and CFD.
• Minimum 5 years (BS) or 1+ year (MS) of industry experience in thermal simulation and analysis for product development.
• Expert proficiency in Icepak, FloEFD, Ansys Workbench, Design Modeler, and fluency in CAD simplification using Creo and Solid Works.
• Strong knowledge of heat transfer, fluid mechanics, and thermal system testing.
• Experience with AI/ML techniques and surrogate modeling for simulation acceleration.
• Excellent verbal and written communication in English.

• Bachelor’s Degree or equivalent experience (high school +10 yrs; Associate +6 yrs; MS +0 yrs).
• 2+ years of relevant experience.
• Ability to read, write, and communicate fluently in English.

• Travel: 5‑10 %
• Relocation assistance:
  Yes
• Sponsorship available:
  Yes
• Pay Range: $90,750.00 – $ (Annual)

Join Alcon’s mission to provide outstanding, innovative products and solutions that improve sight, improve lives, and grow your career.

Alcon offers a robust benefits package including health, life, retirement, flexible time off, and more.

Alcon is an Equal Opportunity Employer and participates in E‑Verify. Alcon takes pride in maintaining a diverse environment and our policies are not to discriminate in recruitment, hiring, training, promotion or other employment practices for reasons of race, color, religion, gender, national origin, age, sexual orientation, gender identity, marital or veteran status, disability, or any other legally protected status. Alcon is also committed to working with and providing reasonable accommodation to individuals with disabilities.

If, because of a medical condition or disability, you need a reasonable accommodation for any part of the application process, or in order to perform the essential functions of a position, please send an email to  and let us know the nature of your request and your contact information.