lightmatter

Sr. Staff Thermal Engineer

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At a Glance

Location
Boston, MA; Mountain View, CA
Experience
5+ years
Posted
2026-05-14T14:50:38-04:00

Key Requirements

Domain Knowledge

  • Engineering
  • Insurance
  • Medical

Requirements

5 years of experience in package or system thermal analysis.

Deep knowledge of thermal conduction and convective heat transfer concepts.

Experience in designing, modeling, testing, sourcing, and deploying advanced thermal management technologies such as TECs, heat pipes, vapor chambers, thermal interface materials, phase change materials, as well as liquid and air cooling systems.

Experience in performing steady-state and transient thermal analysis using ANSYS Icepak, ANSYS Fluent, and/or Flotherm.

Experience in setting up and interpreting CFD simulations for complex geometries and boundary conditions.

Working knowledge of lab-scale validation techniques.

Compensation & Benefits

Comprehensive Health Care Plan (Medical, Dental & Vision)

Retirement Savings Matching Program

Life Insurance (Basic, Voluntary & AD&D)

Generous Time Off (Vacation, Sick & Public Holidays)

Paid Family Leave

Short Term & Long Term Disability

Responsibilities

Perform thermal simulations to influence package and system design.

Propose novel thermal solutions to enable the Lightmatter product portfolio by investigating relevant technologies and design concepts.

Develop and validate thermal models for various packaging designs including modeling heat transfer, airflow, and thermal interactions within complex electronic assemblies.

Collaborate with design engineers to optimize thermal management solutions, including heat sinks, thermal interfaces, and cooling systems.

Use CFD results to guide design iterations and improve thermal performance

Drive characterization and validation of thermal designs and electronic assemblies through lab-scale prototyping and/or initiating appropriate experiments with vendors.