# Radiation Effects Engineer - Modeling

Hiring organization: [Astranis](https://career.thegoodapps.co/organizations/astranis)

Canonical page: https://career.thegoodapps.co/jobs/110eec9e-2847-4c93-ac39-831ad590fc6a

Listed on Astranis's own careers site. Applications go to them directly.

- Employment type: full time
- Seniority: Mid
- Location: San Francisco, CA
- Salary: 120000 – 145000 USD per year

## Summary

This role develops radiation environment models and transport simulations to define safe operating constraints for satellites in geostationary orbit, protecting spacecraft hardware from radiation damage and charging hazards. It suits an engineer with a strong physics or nuclear engineering background who enjoys translating theory into practical design guidance through computational modeling.

_Our summary, not Astranis's wording._

## Skills named

Monte Carlo Simulation, Python

## Required

- Bachelor of Science in Nuclear Engineering, Physics, Electrical Engineering, or equivalent
- 2+ years using radiation environment tools like OMERE or SPENVIS
- 2+ years using transport tools like FASTRAD, Geant4, or MCNP
- Theoretical knowledge of radiation interaction with matter including ionization and non-ionizing energy loss
- Experience modeling spacecraft charging physics
- Python proficiency for data processing and automation
- Demonstrated technical ownership and ability to evaluate complex system trade-offs

## Nice to have

- Master of Science or PhD in Nuclear Engineering, Nuclear Physics, or related field with space radiation or spacecraft charging focus
- Knowledge of deep dielectric charging failure mechanisms and industry mitigations
- Familiarity with ISO 11221 spacecraft charging standard or MIL-STD-883 Test Method 1019

Apply on Astranis's site: https://job-boards.greenhouse.io/astranis/jobs/4719442006