Modeling & Simulation Eng, Amazon Leo

Amazon Leo is Amazons low Earth orbit satellite network. Our mission is to deliver fast reliable internet connectivity to customers beyond the reach of existing networks. From individual households to schools hospitals businesses and government agencies Amazon Leo will serve people and organizations operating in locations without reliable connectivity.

This is a fast-paced intellectually challenging position and youll work with thought leaders in multiple technology areas. Youll have high standards for yourself and the work you deliver and youll be looking for ways to improve your models accuracy computational efficiency and operational impact.

Export Control Requirement: Due to applicable export control laws and regulations candidates must be a U.S. citizen or national U.S. permanent resident (i.e. current Green Card holder) or lawfully admitted into the U.S. as a refugee or granted asylum.


Key job responsibilities
This is a modeling and simulation engineering position where you will develop validate and maintain physics-based and empirical models of the Leo satellite power system. You will build simulation frameworks that predict battery state of charge solar array power generation thermal-electrical coupling and power system degradation over the satellite lifecycle. Your models will be used to inform architecture trade studies hardware/software design decisions validate on-orbit performance and feed operational planning tools that manage constellation-wide energy resources.

You will own the development of orbit-level power simulations that ingest mission plans orbital parameters and hardware configuration to predict future power system behavior. You will correlate model predictions against on-orbit telemetry identify model gaps and iterate to improve fidelity. You will develop degradation models (battery capacity fade solar array efficiency loss) using a combination of lab test data manufacturer characterization and flight data.

Everyone on the team needs to be entrepreneurial wear many hats and work in a highly collaborative environment. We will need to tackle problems that span a variety of domains.

A day in the life
You will work closely with power systems engineers mission operations and software teams to integrate your models into operational services such as the Power Digital Twin and hardware-in-the-loop testbeds. You will also support design teams by running parametric studies and sensitivity analyses for next-generation satellite configurations.

- Bachelors degree in a STEM discipline
- 3 years of experience developing physics-based or data-driven models for electrical power thermal or electromechanical systems
- 3 years of proficiency in Python or Matlab for numerical simulation data analysis and model development
- Experience with model validation against experimental or operational data

- Experience modeling battery systems (equivalent circuit models degradation/aging models state estimation)
- Experience modeling solar array or photovoltaic system performance (I-V characteristics temperature dependence degradation)
- Familiarity with orbital mechanics and how orbital parameters affect spacecraft power budgets (eclipse fraction beta angle solar flux)
- Experience building simulation pipelines that run at scale (batch processing parameterized sweeps Monte Carlo analysis)
- Familiarity with cloud-based data infrastructure (AWS time-series databases data pipelines)
- Experience correlating models with on-orbit or field telemetry data
- Strong written and verbal communication skills with ability to document model assumptions limitations and validation results
- Experience with version control (Git) and reproducible computational workflows (Jupyter containerized environments)

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status disability or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process including support for the interview or onboarding process please visit for more information. If the country/region youre applying in isnt listed please contact your Recruiting Partner.

The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience qualifications and location. Amazon also offers comprehensive benefits including health insurance (medical dental vision prescription Basic Life & AD&D insurance and option for Supplemental life plans EAP Mental Health Support Medical Advice Line Flexible Spending Accounts Adoption and Surrogacy Reimbursement coverage) 401(k) matching paid time off and parental leave. Learn more about our benefits at WA Redmond - 129200.00 - 174800.00 USD annually