Time Transfer and Synchronization Engineer

Description

As a member of a growing PNT team within Amazon Leo, the Time Transfer and Synchronization Engineer is responsible for designing, implementing, optimizing and monitoring high‑precision synchronization architectures across terrestrial and space‑based networks. You will use various time transfer protocols to achieve nanosecond‑level accuracy over RF and optical links.

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 Responsibilities

• Design, implement, and validate time transfer systems using multiple methodologies including PTP/NTP, TWSTFT, GNSS Common View, GNSS All in View or other protocols
• Implement time transfer over RF and optical links
• Evaluate and integrate emerging time transfer technologies to achieve nanosecond level timing accuracy
• Design and build an operational system to monitor the performance of clock synchronization architecture
• Collaborate with cross‑functional teams on satellite timing systems, ground gateway operations, and network time synchronization
• Conduct performance analysis and troubleshooting of timing systems across distributed infrastructure

Basic Qualifications

• PhD, or Master's degree and 4+ years of quantitative field research experience
• Experience investigating the feasibility of applying scientific principles and concepts to business problems and products
• Experience analyzing both experimental and observational data sets
• Experience in complex problem solving, and working in a tight schedule environment
• Experience with data analysis tools such as Advanced Excel, SQL, Tableau, Python
• Bachelor's or Master’s degree in Electrical Engineering, Physics, Aerospace Engineering, or a related field
• Proven experience with various time transfer protocols and metrology equipment
• Experience with clock characterization and frequency stability analysis

Preferred Qualifications

• Knowledge of R, MATLAB, Python or similar scripting language
• Experience with agile development
• Experience building web‑based dashboards using common frameworks
• PhD in mathematics, engineering, statistics, computer science or a related field
• Experience with HA‑PTP (High Accuracy PTP) or White Rabbit timing systems
• Experience with GNSS‑based time transfer techniques
• Understanding of Kalman filtering and time scale algorithms
• Experience with FPGA‑based timing hardware or clock steering algorithms