Senior/Staff Engineer, Thermal Mechanical Simulation

STMicroelectronics; Singapore; On-site; SGD 90,000 - 140,000; Full time

Job summary

STMicroelectronics in Singapore seeks a Thermal-Mechanical Simulation Engineer to advance optical and photonic packaging projects. You will perform FEA, CFD and multiphysics studies to optimize performance, manufacturability and cost, collaborating with mechanical, optical and substrate designers across global teams.

You will use Python scripting and SolidWorks for analysis, contribute to failure investigations, verify improvements, and present results to stakeholders worldwide, while traveling

Qualifications

• Experience in mechanical engineering with emphasis on thermal-mechanical performance.
• Strong knowledge of material science and solid mechanics.

Responsibilities

• Perform FEA/CFD/multiphysics studies to identify issues early in development.
• Recommend design improvements to enhance performance and robustness.
• Support failure investigations and root-cause analysis with analysis tools.
• Collaborate with package design, optical and substrate engineers across locations to implement improvements.

Skills

Finite element analysis

Thermal-mechanical analysis

Computational fluid dynamics

Multiphysics analysis

Python scripting

Communication skills

Customer-facing environment

Heat transfer knowledge

Education

Bachelor’s/Master’s/PhD in Mechanical Engineering

Tools

SolidWorks

FEM/FEA tools

Job description

OUR STORYAt STMicroelectronics, we believe in the power of technology to drive innovation and make a positive impact on people, businesses, and society. As a global semiconductor company, our advanced technologies and chips form the hidden foundation of the world we live in today.When you join ST, you will be part of a global business with more than 122 nationalities, present in 40 countries, and comprising over 49,000 diverse and dedicated creators and makers of technology around the world.Developing technologies takes more than talent: it takes amazing people who understand collaboration and respect. People with passion and the desire to disrupt the status quo, drive innovation, and unlock their own potential.Embark on a journey with us, where you can innovate for a future that we want to make smarter and greener, in a responsible and sustainable way. Our technology starts with you.The TeamThe Optical Product Packaging & Design team, based in Edinburgh and Singapore, is part of ST’s wider Imaging & Custom subgroup. The team designs and develops precision opto-mechanical assemblies incorporating ST silicon sensors to deliver advanced optical and photonic products.The RoleAs a Thermal-Mechanical Simulation Engineer, you will work closely with the R&D project team to develop products that meet performance, manufacturability, and cost objectives. Using advanced simulation tools, you will perform finite element analysis (FEA), computational fluid dynamics (CFD), and multiphysics studies to identify potential issues early in the development process and to recommend design improvements that enhance product performance and robustness.You will also use analysis tools to support failure investigation and root cause analysis. In this role, you will collaborate with package design engineers, optical engineers, substrate designers, and core team members to ensure that proposed improvements are properly verified and implemented.This position requires regular interaction with stakeholders across multiple geographic locations. The successful candidate must be comfortable working across different time zones and travelling at short notice where required.Key Skills and ExperienceEssential skillsFinite element analysisThermal-mechanical analysisComputational fluid dynamicsMultiphysics analysisMaterial characterizationPython scriptingStrong written and verbal communication skillsAbility to work effectively in a customer-facing environmentKnowledge and experienceBachelor’s, Master’s, or PhD in Mechanical Engineering, with relevant undergraduate modulesStrong knowledge of material scienceGood understanding of solid mechanics, including static and dynamic behaviourSound knowledge of thermal engineering and heat transferMinimum 5 years of relevant experienceExperience in mold flow analysisExperience in collaborative design environmentsFamiliarity with FMEACAD proficiency in SolidWorksUnderstanding of product design processesStrong documentation and presentation skillsST is proud to be one of the 17 companies certified as a 2026 Global Top Employer and the first and only semiconductor company to achieve this distinction. ST was recognized in this ranking thanks to its continuous improvement approach and stands out particularly in the areas of ethics & integrity, purpose & values, organization & change, business strategy, and performance.At ST, we endeavor to foster a diverse and inclusive workplace, and we do not tolerate discrimination. We aim to recruit and retain a diverse workforce that reflects the societies around us. We strive for equity in career development, career opportunities, and equal remuneration. We encourage candidates who may not meet every single requirement to apply, as we appreciate diverse perspectives and provide opportunities for growth and learning. Diversity, equity, and inclusion (DEI) is woven into our company culture.To discover more, visit st.com/careers.