Cellular Systems Engineering Lead, Direct-to-Device, Amazon Leo

Amazon LEO is building a Low Earth Orbit satellite constellation designed to provide connectivity to customers around the world.We are looking for an experienced cellular systems engineering lead with Basic qualifications: - Bachelor's degree in a related field - 8+ years of professional experience in cellular systems, including at least 3 years in the Direct-to-Device (D2D) ecosystem, NTN, or direct satellite-to-cellular connectivity. - Deep experience with 4G or 5G RAN systems, protocols, and procedures (L1 to L3). - Solid working knowledge of the 5G core architecture and interfaces, including interworking with terrestrial networks - Experience with commercial devices or chipsets, including device logs and analytics tools, in support of cellular or D2D services. - Working knowledge of 3GPP NTN standards - Experience resolving end-to-end issues with RAN, core, and device vendors. Preferred: - Experience with satellite-based RAN architectures for NTN. - Experience with voice over NR (VoNR/IMS), messaging, and emergency services. - Experience with device interoperability testing and certification programs. - Strong communication skills with demonstrated ability to work effectively across engineering teams, vendors, partners, and leadership organizations. Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. 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 https://amazon.jobs/content/en/how-we-hire/accommodations 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 https://amazon.jobs/en/benefits . USA, TX, Austin - 151,200.00 - 204,600.00 USD annually