Cellular Systems Engineering Lead, Direct-to-Device

Amazon Inc

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Quick summary

Work type: On-site
Location: Austin, TX
Salary: $151,200–$204,600 / yr
Posted: 10 days ago
Freshness: Confirmed live today
Nearby: 99+ roles within 25 mi

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Salary context

Competitive pay

How this pay compares to similar roles

Similar $174k

This role $178k

$136k $212k

below market most similar roles pay here above market

This role pays more than 65% of similar roles. Most pay $161,500–$187,250 — the blue band above. At the midpoint, this role pays about $178k versus about $174k for comparable roles.

Based on 240 similar postings.

Employer

About Amazon Inc

Amazon Inc. is the world''s largest e-commerce and cloud computing company, operating the Amazon marketplace, AWS cloud platform, Prime subscription services, Alexa voice AI, and logistics infrastructure. Industry: E-Commerce & Cloud Computing

Amazon Inc currently has 643 open roles on FindRole.

Listed pay typically runs $143,700–$194,400 across 636 roles with salary data.

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At a glance

TL;DR · Cellular Systems Engineering Lead, Direct-to-Device

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The Cellular Systems Engineering Lead, Direct-to-Device, Amazon Leo joins the Systems, Quality, & Security Engineering team to oversee the cellular side of a Low Earth Orbit satellite constellation. This role manages the end-to-end cellular system for direct-to-device services, encompassing the radio access network, 5G core, and commercial devices. You will define requirements for NTN operations, including scheduling, HARQ, timing advance, and mobility, while managing 5G core interfaces and device-side behavior. Key responsibilities include working with chipset and device vendors to resolve protocol issues, analyzing call flows for voice and data, and tracking 3GPP NTN standards. The role requires expertise in 4G/5G RAN protocols, 5G core architecture, and 3GPP NTN standards to ensure seamless interoperability between terrestrial and satellite networks.

Skills

5G RAN 5G Core NTN 3GPP Direct-to-Device VoNR IMS RF Chambers Protocol Analysis QoS HARQ Timing Advance Satellite-to-Cellular

What you'll do

Own the cellular system view of the D2D service across RAN, 5G core, and devices.
Define and review RAN system requirements for NTN operation, including scheduling, HARQ, and mobility.
Define 5G core requirements and interfaces for terrestrial network interworking, QoS, and charging.
Manage device-side system requirements, including 3GPP NTN feature support and connection management.
Resolve end-to-end issues with RAN, core, chipset, and device vendors through protocol analysis.
Support end-to-end integration and interoperability testing in labs, RF chambers, and over the air.
Analyze end-to-end call flows and performance to generate requirements and design recommendations.
Track 3GPP NTN standards evolution to assess impacts on the RAN, core, and device roadmap.

What we're looking for

Bachelor's degree in a related field.
8+ years of professional experience in cellular systems.
At least 3 years of experience 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 5G core architecture, interfaces, and terrestrial network interworking.
Experience with commercial devices or chipsets, including device logs and analytics tools.
Must be a U.S. citizen, national, permanent resident, or lawfully admitted as a refugee or granted asylum.
Export Control Requirement: Due to applicable export control laws and regulations, candidates.

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