# Principal Engineer, State Estimation (R4602)

Hiring organization: [Shield AI](https://career.thegoodapps.co/organizations/shield-ai)

Canonical page: https://career.thegoodapps.co/jobs/868952c4-7987-4b5b-ba6d-05587c8071cf

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

- Employment type: full time
- Seniority: Principal
- Location: Washington, DC
- Salary: 270000 – 400000 USD per year

## Summary

Shield AI seeks an experienced state estimation engineer to design and deploy safety-critical navigation systems for autonomous aerospace platforms, supporting both traditional GNSS/IMU fusion and advanced multi-sensor approaches for GPS-denied environments. This role is for someone with deep expertise in navigation theory, proven aerospace systems implementation experience, and strong production software engineering skills.

_Our summary, not Shield AI's wording._

## Required

- Deep expertise in state estimation theory
- Practical experience implementing ownship navigation systems in aerospace
- Strong production-quality software development skills
- Design and implement unified navigation architecture supporting GNSS/IMU fusion

## Nice to have

- Experience with all-source navigation strategies
- Experience with GPS-degraded and GPS-denied environment solutions
- Extensible architecture design for diverse sensing modalities

Apply on Shield AI's site: https://jobs.lever.co/shieldai/4ccdcce2-ce09-4180-aba4-01f3e405e0e5/apply