Senior RF Desense Engineer - Avionics

Back to jobs Senior RF Desense Engineer - Avionics South San Francisco, California, USA Apply About You and The Role As a Senior RF Desense Engineer on the Avionics team, you will be responsible for architecting, testing, debugging, fixing RF Desense challenges from the PCBA level to the full Aircraft level. You will work with mechanical, electrical, and integration engineers to ensure compliance across all systems. This competency is at the core of a new unmanned aerial system that will enable Zipline's impact to expand from 100,000 deliveries/year to 100 million across the globe. In addition, you will have the opportunity to collaborate with world class engineers across all disciplines and experience levels. Zipline values personal development highly and encourages an environment of continuous learning and mentorship. The Avionics team encounters many challenges when designing robust avionics systems to provide life-saving service in some of the harshest environments on Earth. At the start of any project, our team plays a vital role in system architecture, designing for performance, reliability, and fault tolerance, while balancing mass and cost. Included in this is the design of an FAA-approved safety system to ensure the safety of employees, customers, and bystanders. To achieve Zipline's goal of serving anyone anywhere, all aspects of a design must also be successful in a wide range of real-world environments by being robust against radiated emissions and conducted emissions. What You'll Do Develop and execute RF Desense test plans from PCB level to integrated aircraft level. Identify and document ECU level susceptibilities to electromagnetic environments, transients, radiated and conducted emissions. Analyze 2D/3D electromagnetic phenomena using CST, HFSS, ADS, other EM simulation tools, and in-house developed data analysis tools in order to develop an understanding of our products. Desense mitigation implementation through all avenues, including but not limited to modeling, measurements, testing, software updates, layout changes, BOM, changes, assembly changes. Specify, procure, and maintain lab equipment related to RF Desense testing. Perform Antenna and Active components colocation planning and optimization at product integration level and PCB level. Promote best practices across various electrical and mechanical design teams. Clearly communicate technical challenges and trade-offs to both fellow engineers and non-engineers, both written and verbally. Assist in recruiting, interviewing, and hiring additional teammates to our rapidly-growing team. What You'll Bring A degree in Electrical Engineering, Embedded Hardware Engineering or equivalent, and at least 5 years of practical experience in an RF Desense role or related field. This position requires a thorough understanding of design for Desense philosophy to push the bounds for what is possible in the space and involves a blend of design consultation, simulation, hands-on testing, and regulatory compliance management . Collaborate with electrical design teams in all phases of product design, from the concept and architecture definition, schematic and layout, cable design and routing, product packaging, validation testing, and introduction into production. Experience with signal integrity, PDN and emissions problems. Experience with product desense risk profiling, clock tree planning, desense test plan, measurements and remediation based on aggressor and victim matrix on a multi radio system. Experience with 2D/3D electromagnetic phenomena using CST, HFSS, ADS, other EM simulation tools. Experience with system level coexistence debugging and improvements, and proficiency on test and measurement tools (Oscilloscope, Logic Analyzer, spectrum analyzer). Experience with Python or other scripting languages for test automation and data analysis. Must be able to work at Zipline's South San Francisco office. Additional Skills Experience automating lab measurements using Python or other scripting languages Knowledge of antennas and electromagnetic propagation Ability to read and interpret PCB schematic and layout, electrical interface drawings, and mechanical CAD documents What Else You Need to Know The starting cash range for this role is $160,000 - $210,000. Please note that this is a target, starting cash range for a candidate who meets the minimum qualifications for this role. The final cash pay for this role will depend on a variety of factors, including a specific candidate's experience, qualifications, skills, working location, and projected impact. The total compensation package for this role may also include: equity compensation; discretionary annual or performance bonuses; sales incentives; benefits such as medical, dental and vision insurance; paid time off; and more. Zipline is an equal opportunity employer and prohibits discrimination and harassment of any type without regard to race, color, ancestry, national origin, religion or religious creed, mental or physical disability, medical condition, genetic information, sex (including pregnancy, childbirth, and related medical conditions), sexual orientation, gender identity, gender expression, age, marital status, military or veteran status, citizenship, or other characteristics protected by state, federal or local law or our other policies. We value diversity at Zipline and welcome applications from those who are traditionally underrepresented in tech. If you like the sound of this position but are not sure if you are the perfect fit, please apply! Apply for this job

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