Simulation Engineer

Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.

A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.

Job Summary

To support our extraordinary teams who build great products and contribute to our growth, we're looking to add an [Simulation Engineer] located in [Jiading, Shanghai].

This position will be responsible for DC/DC power module product simulation design work, magnetic component simulation and design work.

What a typical day looks like :

• Responsible for simulation design work to support RD different project, includes FEM simulation using Comsol, Magnetic simulation, Thermal and Power loss simulation.
• Suggest design and design rule improvements based on simulation result.
• Participate in research projects to improve knowledge in simulation area
• Technical Support to other departments.

The experience we're looking to add to our team :

• Master of science in physics, materials science or electronics
• Minimum 5 years' simulation, thermal design, power loss simulation and Magnetic design related experience
• Experience with magnetic component designs for DC/DC converters or power supply related product
• Solid understanding of electro-magnetic theory, properties of magnetic materials
• Knowledge in thermal design and simulation is meritorious
• Familiarity with electro-magnetic field simulation software (Ansys, COMSOL etc.) and circuit simulation tools (Spice etc.).
• Good knowledge of magnetic materials and manufacture process
• Knowledge of Power topology.
• Fluent English.

Here are a few of our preferred experiences:

• Knowledge in FEM Model
• Knowledge in thermal simulations and Flotherm

What you'll receive for the great work you provide :

• Social Insurance
• Commercial insurance
• PTO
• Transportation allowance
• Annual medical check-up

Job Category
Design, Process & Technology Engineering

Required Skills:

Optional Skills:

Flex is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email accessibility@flex.com and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at Flex, you must complete the application process first).

Client-provided location(s): Shanghai, China

Job ID: Flex-WD216813

Employment Type: FULL_TIME

Posted: 2026-03-05T19:59:35