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Added 2 mins ago
Junior AI Engineer
Ultimus Fund Solutions
Columbus, OH · Omaha, NE · Cincinnati, OH · Denver, CO · Philadelphia, PA · Clifton Park, NY · Milwaukee, WI
The Junior AI Engineer will assist in the development and maintenance of enterprise AI infrastructure. The role will partner with senior engineers to build data pipelines, deploy models,…
Added 2 mins ago
Senior AI Engineer
Ultimus Fund Solutions
Columbus, OH · Omaha, NE · Cincinnati, OH · New York, NY · Minneapolis, MN · Philadelphia, PA · Clifton Park, NY · Milwaukee, WI
The Senior AI Engineer will own the end-to-end technical lifecycle of enterprise AI models - from data pipeline architecture to deployment and monitoring. The role will partner with AI Data…
Added 2 mins ago
Electronic Warfare Engineer
SRC, Inc
San Antonio, TX
MATLAB, Python and other software-based simulation experience
Added 2 mins ago
Electronic Warfare Engineer
SRC, Inc
San Antonio, TX
MATLAB, Python and other software-based simulation experience
Added 3 mins ago
RU
Embedded Environmental Validation Engineer
Randstad USA
Troy, MI
- $37 to $47 USD / hour
…solutions using cutting edge technology. The Test & Validation engineer will be responsible for Product Validation activities from RFQ phase to final customer…
Added 5 mins ago
MI
Senior Software Engineer
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Westminster, CO
- $128,000 to $170,000 USD / year
Professional experience with one or morescriptingprogramming languages such as Python, JavaScript, TypeScript, or similar.
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Mid-Level Software Engineer
Maxar Intelligence I
Westminster, CO
- $105,000 to $140,000 USD / year
Vantor is currently seeking a Mid-Level Software Engineer to support our
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Software Development Engineer - Socrata Solutions
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Denver, CO
- $40,123 USD / year
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Future Anticipated Openings: Federal Space Cyber Operations Support
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Added 6 mins ago
Junior Software Development Engineer in Test
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Atlanta, GA
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Added 8 mins ago
Entry-Level Software Engineer/Analyst
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Systems Engineer
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The Enterprise Application AI Integrations Engineer works in partnership with the AI Architect and Enterprise Applications leadership to implement approved AI solutions and integrations…
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FPGA Verification Engineer (Entry Level)
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FPGA Verification Engineer (Entry Level)
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FPGA Development Engineer (senior level)
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We are seeking an experienced FPGA Development Engineer with experience in real-time embedded systems development to lead requirements, design and development activities of safety-critical…
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Senior Software Engineer, AI/ML GenAI, Core
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Share Senior Software Engineer, AI/ML GenAI, Core
Added 10 mins ago
RF System Engineer, Amazon Leo
Amazon
Redmond, WA
As a Sr. RF Systems Analysis and Design Engineer, you will own end-to-end modeling and performance analysis of complex satellite links and RF sub-system design, spanning modem, RF…
Added 10 mins ago
Sr. Manufacturing Automation Engineer, Amazon Leo
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As a Sr. Manufacturing Automation Engineer, you will lead the development of custom automation, production stations, engineering fixtures, and test systems for battery pack manufacturing.…
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Software Development Manager, Flight Software, Amazon Leo, Amazon Leo - Avionics End Point and FDIR
Amazon
Redmond, WA
5+ years of Software Engineer, Software Developer, or related occupational experience
Added 10 mins ago
Software Dev Engineer, Antenna System Validation
Amazon
Redmond, WA
As a Software Development Engineer on antenna systems validation team, you'll build the software backbone that powers our satellite ground infrastructure. You'll work at the intersection of…
Added 10 mins ago
Senior Software Development Engineer , Leo Customer Terminals Applications & Networking Team
Amazon
Redmond, WA
…self-diagnosing internet gateway. As a Software Development Engineer II on this team, you will design and build software that operates on customer terminals deployed in the field at large…
Added 11 mins ago
BI Engineer, AWS Finance, Analytics and Science Team
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Amazon

RF System Engineer, Amazon Leo

Redmond, WA, United States

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Job details

Posting language: English
Posted: Dec 5, 2025

Original job description

Description

Amazon LEO is an initiative to increase global broadband access through a constellation of 3,236 satellites in low Earth orbit (LEO). Its mission is to bring fast, affordable broadband to unserved and underserved communities around the world. Amazon LEO will help close the digital divide by delivering fast, affordable broadband to a wide range of customers, including consumers, businesses, government agencies, and other organizations operating in places without reliable connectivity.

As a Sr. RF Systems Analysis and Design Engineer, you will own end-to-end modeling and performance analysis of complex satellite links and RF sub-system design, spanning modem, RF front-end, phased array, and space/ground channel models.

You will build, maintain, and validate system-level link models that drive architecture, hardware requirements, and on-orbit performance, working closely with phased array, RF communications, EMC, and calibration teams. This role blends analytical modeling, software development, and engagement with real hardware to ensure we hit stringent performance targets at scale.

Key job responsibilities

Develop and maintain end-to-end RF system and link models (3GPP style link analysis, access, and feeder links), including link budgets, impairment modeling, and performance trade studies.
Perform system-level simulations of digital phased array architectures and RF signal chains, and correlate against lab and field measurements.
Define and flow down system performance requirements (EIRP, G/T, EVM, ACLR, NF, linearity, beam metrics) to hardware, RFIC, antenna, and firmware teams.
Work with modem, waveform, and MAC/PHY teams to optimize the RF system for throughput, coverage, power, and availability across global deployment scenarios.
Build reusable analysis tools and libraries (e.g., Python/Matlab/C++) to standardize link analysis and scenario sweeps across the org.
Collaborate with test, calibration, and validation teams to design measurement campaigns that close the loop between models and observed performance.
Support architecture reviews and program decisions with clear data visualizations, dashboards, and technical documentation.
Mentor junior engineers in RF system thinking, modeling best practices, and code quality for analysis tools.

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.

A day in the life

You’ll collaborate with RF, software, and systems engineers, see your designs and code run on live hardware, and make daily decisions that directly affect the readiness of Leo's payload and terminal products. The systems you build will enable critical data collection, system analysis, and calibration pipelines that ensure Leo hardware performs flawlessly on Earth and in orbit.

About the team

Our team owns the full performance lifecycle of Leo’s antenna systems from early concept testing and calibration to final product release. We operate at the intersection of RF hardware, software automation, and large-scale system integration.

You’ll work closely with antenna, DSP, and system development engineers, contributing to test frameworks, manufacturing support, and performance validation. We leverage AWS tools and scalable software architectures to accelerate development, automate validation, and deliver reliable test systems used across the entire Leo organization.

If you want to work on real hardware, influence product performance, and see your work scale to millions of users worldwide this is the place to do it.

Basic Qualifications

Experience leading the design, automation, deployment, and support of large-scale infrastructure
Experience programming with at least one modern language such as Python, Ruby, Golang, Java, C++, C#, Rust
Experience with Linux/Unix
Experience with CI/CD pipelines build processes

Preferred Qualifications

Experience with distributed systems at scale

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, WA, Redmond - 151,200.00 - 204,600.00 USD annually

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More about this job

Skills

Firmware
Python
C++
Documentation
Systems thinking
ICT system integration
AWS
Modern languages
Ruby
Go
Oracle Java
C#
Rust
Linux
UNIX
CI/CD
Recruitment
Mental health

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