[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Amazon jobs](https://jobs.opennash.com/companies/amazon/) · [Search jobs](/search/) Amazon · Redmond, WA # PNT Estimation and Algorithms Engineer, Flight Dynamics Research US, WA, Redmond Research & Science Listed on Amazon’s official careers site. Posted September 11, 2026. Check that it is still open and apply there. [Apply on Amazon’s careers site →](https://www.amazon.jobs/en/jobs/10537072/pnt-estimation-and-algorithms-engineer-flight-dynamics-research) [OpenNash Jobs](https://jobs.opennash.com/) / [Amazon](https://jobs.opennash.com/companies/amazon/) / PNT Estimation and Algorithms Engineer, Flight Dynamics Research ## Job description As a member of a growing PNT team within Amazon Leo, the PNT Estimation and Algorithms Engineer is responsible for designing, implementing, optimizing and monitoring high-precision estimation architectures across terrestrial and space-based networks. You will develop and validate orbit determination, filtering, and sensor fusion algorithms to achieve high precision positioning and timing accuracy using RF and optical inter-satellite link measurements. ### 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 Design, implement, and validate orbit determination (OD) and clock estimation algorithms, including Extended Kalman Filters (EKF), Batch Least Squares, Square-Root/Sigma-Point Kalman Filters (SKF), and Factor Graph Optimization (FGO) approaches Develop inter-satellite link (ISL) navigation and time-transfer measurement models, including range and range-rate Evaluate and integrate emerging estimation techniques (batch/sequential estimation, robust filtering, multi-sensor fusion) to improve positioning and timing accuracy Design and build simulation and analysis frameworks (e.g., Monte Carlo CONOPS studies) to characterize filter performance, covariance realism, and convergence behavior Collaborate with cross-functional teams to ensure estimator outputs meet mission-level accuracy requirements Conduct performance analysis and troubleshooting of estimation algorithms across distributed constellation and ground infrastructure ## At a glance - Posted by the employer: Sep 11, 2026 - First seen by OpenNash: Oct 18, 2026 - Last checked: Oct 18, 2026 - Listed for: 37 days - Location: US, WA, Redmond[Apply on Amazon’s careers site →](https://www.amazon.jobs/en/jobs/10537072/pnt-estimation-and-algorithms-engineer-flight-dynamics-research) ## More jobs at Amazon ### [R&D Maintenance Tech II, Development Lab Operations](https://jobs.opennash.com/companies/amazon/jobs/20f2995b012a91d49a3f/) US, WA, Redmond ### [ASIC Engineer Early Career - 2027, Project Leo](https://jobs.opennash.com/companies/amazon/jobs/14f933189515141b14fa/) US, WA, Redmond ### [Aerospace Hardware Development Engineer, LEO](https://jobs.opennash.com/companies/amazon/jobs/c8697ee12cbef96b127b/) US, WA, Redmond ### [Antenna & RF Engineer, Amazon Leo](https://jobs.opennash.com/companies/amazon/jobs/dbdc06169433b8675f96/) US, WA, Redmond ## Similar jobs at other companies ### [Systems Engineer – Airborne PNT (Hybrid, Sign On Bonus & Relocation Available)](https://jobs.opennash.com/companies/bae-systems/jobs/fb0a8b4efef284336d92/) BAE Systems · Cedar Rapids, Iowa, United States ### [Sr. Principal Systems Engineer – Airborne PNT (Hybrid, Sign On Bonus & Relocation Available)](https://jobs.opennash.com/companies/bae-systems/jobs/c7a3b6b93e2fad89b335/) BAE Systems · Cedar Rapids, Iowa, United States ### [Software Engineer Algorithms & Analysis](https://jobs.opennash.com/companies/lockheed-martin/jobs/52710df39f82c3bf528b/) Lockheed Martin · Huntsville, AL ### [Software Engineer Algorithms and Analysis](https://jobs.opennash.com/companies/lockheed-martin/jobs/0a8f2a861fbc25541bc6/) Lockheed Martin · Huntsville, AL ### [(N) Supervisor Cost Estimation Analyst 5](https://jobs.opennash.com/companies/sanmina-sci/jobs/1aacd220d92dca1f51ee/) Sanmina-SCI · Reynosa, MX [Jobs in Redmond, WA](/locations/us/wa/redmond/)[Jobs in Washington](/locations/us-wa/)[Research & Science jobs](/functions/research-science/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations. OpenNash Jobs · Official listings with dates and links to the employer. [Weekly hiring report](/reports/hiring/) · [Methodology](/methodology/)