Performance Engineer

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 job 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 infrastructureBasic 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 analysisPreferred qualification - 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 algorithmsAmazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.Los Angeles County applicants: Job duties for this position include: work safely and cooperatively with other employees, supervisors, and staff; adhere to standards of excellence despite stressful conditions; communicate effectively and respectfully with employees, supervisors, and staff to ensure exceptional customer service; and follow all federal, state, and local laws and Company policies. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness and professionalism, and safeguard business operations and the Company’s reputation. Pursuant to the Los Angeles County Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.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 you’re applying in isn’t 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 .USA, CA, NORTHRIDGE - 136,000.00 - 184,000.00 USD annuallyUSA, VA, Arlington - 136,000.00 - 184,000.00 USD annuallyUSA, WA, Redmond - 136,000.00 - 184,000.00 USD annually