Senior Mechanical Engineer – Thermal Simulation & Analysis

Benefits

Parental leave

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Non-birth-parent leave

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Family-building benefits

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Mental health support

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Relocation assistance

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Childcare support

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Learning budget

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Salary

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401(k) match

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Market context

U.S. role benchmark (BLS OEWS)

$116,543 U.S. median for this role

Projected growth (BLS Employment Projections)

+9.8% - Much faster than average

Matched to SOC 15-1252 - Software Engineering aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

Role

Role function

Engineering From the posting source checked Jun 20, 2026

Seniority

Senior From the posting source checked Jun 20, 2026

Schedule

Shift type

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Weekend work

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Company

Company stage

Growth-stage From the posting source checked Jun 20, 2026

Application

Cover letter

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Assessment

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Deadline

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Where they hire

State eligibility is not yet verified.

About this role

Senior Mechanical Engineer – Thermal Simulation & Analysis Austin, TX Apptronik is a human-centered robotics company developing AI-powered robots to support humanity in every facet of life. Our flagship humanoid robot, Apollo, is built to collaborate thoughtfully with people, starting with critical industries such as manufacturing and logistics, with future applications in healthcare, the home, and beyond. We operate at the cutting edge of embodied AI, applying our expertise across the full robotics stack to solve some of society's most important problems. You will join a team dedicated to bringing Apollo to market at scale, tackling the complex challenges like safety, commercialization, and mass production to change the world for the better. JOB SUMMARY The Senior Mechanical Engineer - Thermal Simulation & Analysis is responsible for designing and optimizing thermal systems for Apptronik's humanoid robot, Apollo. This role focuses on solving complex thermal challenges across actuators, embedded compute, and battery systems within tightly constrained robotic architectures. The engineer will own major subsystems, contribute to system-level design decisions, and ensure thermal performance meets safety, reliability, and operational requirements. ESSENTIAL DUTIES AND RESPONSIBILITIES or KEY ACCOUNTABILITIES ● 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

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