Sr. Modem Systems Engineer, Amazon Leo

Benefits

Parental leave

6 weeks From the posting source checked Jun 20, 2026

Non-birth-parent leave

6 weeks From the posting source checked Jun 20, 2026

Family-building benefits

• Fertility benefits: Offered From the posting source checked Jun 20, 2026
• Adoption assistance: Offered From the posting source checked Jun 20, 2026
• Surrogacy assistance: Not verified

Mental health support

Offered From the posting source checked Jun 20, 2026

Relocation assistance

Not verified

Childcare support

Offered From the posting source checked Jun 20, 2026

Learning budget

Not verified

Verification

Source-linked checked Jun 7, 2026

Salary

$159K-$215K From the posting source checked Jun 20, 2026

401(k) match

Reported from DOL Form 5500 industry filing (not employer-specific)

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Market context

U.S. role benchmark (BLS OEWS)

$116,543 U.S. median for this role

Projected growth (BLS Employment Projections)

+9.8% - Much faster than average

61% above the BLS role benchmark for software engineering aggregate.

Matched to SOC 15-1252 - Software Engineering aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

Role

Role function

Engineering From the posting source checked Jun 20, 2026

Seniority

Senior From the posting source checked Jun 20, 2026

Schedule

Shift type

Not verified

Weekend work

Not verified

Company

Equity

Offered Verified - SEC 10-K source checked Jun 20, 2026

Application

Cover letter

Not verified

Assessment

Not verified

Deadline

Not stated

Where they hire

State eligibility is not yet verified.

About this role

Sr. Modem Systems Engineer, Amazon Leo San Diego, California, USA Amazon Leo is an initiative to launch a constellation of Low Earth Orbit satellites that will provide low-latency, high-speed broadband connectivity to unserved and underserved communities around the world. Come work at Amazon! Key job responsibilities The Role: Be part of the team defining the system level architecture of Leo's broadband wireless system from customer end points to terrestrial gateways via Low Earth Orbit satellites. This is a unique opportunity to help define a next-generation wireless PHY solution with minimal legacy constraints. The team focuses on physical layer system design, including waveform optimization, modulation and coding strategies, MIMO, synchronization, channel estimation, equalization, and link adaptation under realistic channel conditions. Responsibilities also include PHY performance modeling and simulation, link budget analysis, spectral efficiency optimization, interference mitigation, and development of top-level wireless system architecture aligned with hardware and real-time implementation constraints. In this role you will: - Develop and improve physical layer modem algorithms for wireless communication systems - Work on system architecture, signal processing, and performance optimization for components such as modulation/demodulation, channel coding, channel estimation, equalization, MIMO, and synchronization - Support pre-silicon verification and post-silicon validation/debugging - Collaborate with RF, ASIC, DV, and SW teams to enable efficient hardware and real-time implementation 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

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