Jobs · Engineering · Texas

Senior Mechanical Engineer – Thermal Simulation & Analysis

Apptronik · Austin, TX · 2 days ago
EngineeringFull-time

ESSENTIAL DUTIES AND RESPONSIBILITIES

  • Design and develop thermal management solutions (passive and active) for actuators, compute systems, and battery packs
  • Build and execute CFD and heat transfer simulations to guide design decisions
  • Perform transient thermal analysis for dynamic robot operation and varying duty cycles
  • Collaborate cross-functionally with mechanical, electrical, and controls teams to integrate thermal solutions
  • Supports test plan creation by identifying critical thermal scenarios from CFD and transient models and defining corresponding instrumentation and test procedures
  • Mentor junior level engineers and act as the technical escalation point for hardest problems
  • Correlate simulation results with physical test data and refine models accordingly
  • Contribute to material selection (TIMs, heat spreaders, alloys) balancing performance, weight, and cost
  • Develop and document thermal design guidelines and best practices

Skills And Requirements

  • Strong proficiency in CFD tools (e.g., Ansys Icepak, Fluent, or similar)
  • Solid understanding of heat transfer principles: conduction, convection, and radiation
  • Experience with transient thermal modeling and real-world duty cycles
  • Ability to perform first-order thermal calculations to guide design decisions
  • Strong cross-functional collaboration and communication skills
  • Experience working with physical hardware and test environments

Education And/or Experience

  • Bachelor’s or Master’s degree (or equivalent) in Mechanical Engineering or related field
  • At least 5–8 years of experience in thermal design and simulation for electromechanical systems

Physical Requirements

  • Prolonged periods of sitting at a desk and working on a computer
  • Must be able to lift 15 pounds at times
  • Vision to read printed materials and a computer screen
  • Hearing and speech to communicate

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