Board Thermal Simulation Engineer

United States·SaratogaFull-Timemid

OtherSimulation Engineer

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Overview

Ready to make connectivity from space universally accessible, secure and actionable? Then you’ve come to the right place! E-Space is bridging Earth and space to enable hyper-scaled deployments of Internet of Things (IoT) solutions and services.

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Ready to make connectivity from space universally accessible, secure and actionable? Then you’ve come to the right place!

E-Space is bridging Earth and space to enable hyper-scaled deployments of Internet of Things (IoT) solutions and services. We are building a highly-advanced low Earth orbit (LEO) space system that will fundamentally change the design, economics, manufacturing and service delivery associated with traditional satellite and terrestrial IoT systems.

We’re intentional, we’re unapologetically curious and we’re 100% committed to innovate space-based communications and deliver actionable intelligence that will expand global economies, protect space and our planet and enhance our overall quality of life.

We are seeking a Board Thermal Simulation Engineer to perform component-level and board-level thermal analysis for all avionics boards in our satellite constellation program. You will model thermal behavior, evaluate cooling strategies, and ensure every board meets its temperature requirements across all operational modes and orbital environments.

Perform component-level thermal analysis including junction temperature calculation, hot-spot identification, and heat-path evaluation.
Develop thermal models using analytical methods and simulation tools for steady-state and transient conditions.
Evaluate and recommend cooling strategies (conduction, convection, radiation, heat spreading) for avionics boards.
Assess temperature effects on component aging, reliability, and derating requirements.
Analyze thermomechanical degradation risks including CTE mismatch, solder fatigue, and connector stress.
Perform system-level thermal budgeting and define thermal interface requirements across subsystems.
Evaluate environmental thermal loads from orbit-induced temperature swings and operational heat dissipation.
Select materials based on thermal conductivity, expansion properties, and long-term reliability.
Validate thermal models with empirical measurements and test data from EM and QM builds.
Collaborate with electrical, mechanical, and reliability engineers for integrated thermal solutions.
Document thermal requirements, design guidelines, and analysis results.

Bachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, or related field.

3+ years of experience in thermal analysis for electronics, preferably in aerospace or space applications.

Proficiency with thermal simulation tools (Ansys IcePak, FloTHERM, or equivalent).

Strong understanding of heat transfer fundamentals (conduction, convection, radiation).

Experience with component derating for thermal environments.

Ability to create and validate thermal models against test data.

Experience with satellite or spacecraft thermal analysis and orbital thermal environments.
Background in thermal cycling test planning and correlation of simulation to test results.
Familiarity with Ansys IcePak specifically.
Experience with system-level thermal budgets and interface management.
Knowledge of PCB material properties and their thermal behavior.
Understanding of reliability implications of thermal stress on electronics.

Ansys IcePak (or equivalent thermal simulation tool)
MATLAB or Python for analytical modeling
CAD tools for geometry import and model setup

This is a full time, exempt position, based out of our Saratoga office. The total compensation packaged will be determined by various factors such as your relevant job-related knowledge, skills, and experience.

We are redefining how satellites are designed, manufactured and used—so we’re looking for candidates with passion, deep knowledge and direct experience on LEO satellite component development, design and in-orbit activities. If that’s your experience – then we’ll be immediately wow-ed.

E-Space is not currently able to provide employment sponsorship for candidates who do not hold work authorization for the location of this role.

Why E-Space is right for you:

As a member of our team, you will play a crucial role in driving our success. Our team members have a strong sense of dedication and responsibility; this includes a strong commitment to our mission to create an entirely new suite of global capabilities to improve lives, business efficiencies and build a smarter planet. This means that there will be times when extra hours, including nights and weekends, may be needed to meet critical deadlines and mission goals. In return, we offer a dynamic work environment with opportunities for professional growth and development and the chance to make a meaningful impact in a high-growth industry.

We want you to make the most of your journey at E-Space. That’s why we support and invest in the physical, emotional and financial well-being of our team members and their families. Some of what you can expect when working at E-Space:

• An opportunity to really make a difference

• Sustainability at our core

• Fair and honest workplace

• Innovative thinking is encouraged

• Competitive salaries

• Continuous learning and development

• Health and wellness care options

• Financial solutions for the future

• Optional legal services (US only)

• Paid holidays

• Paid time off