RF Systems Engineer

Simplisafe-posted 3 months ago

Hybrid • Boston, MA

1,001-5,000 employees

Administrative and Support Services

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As an RF Systems Engineer, you will be a key technical leader responsible for RF product development and validation at SimpliSafe. You help design and build SimpliSafe's RF capabilities in our goal to have the best-in-class wireless connectivity in the industry. You will work closely with the engineering teams to choose chipsets as well as optimize mechanical and electrical designs for RF performance. You will also lead and guide our ODMs design partners in the design, test, and qualification on new products.

Own SimpliSafe's RF performance across products. Optimizing performance for WiFi, BLE, Radar, Proprietary SubG protocols, Wi-SUN, LoRa, etc.
Build SimpliSafe's RF testing capabilities including test plans and equipment selection.
Manage ODMs and third-party labs in the design and testing products and antennas.
Characterize and compare different wireless chipsets and drive selection.
Characterize and compare antenna performances and drive selection.
Review PRDs, and author RF technical requirements to meet product requirements.
Root causing RF field related issues.
Work with Electrical Engineers to optimize board layouts for RF and immunity.
Work with Mechanical Engineers to optimize design and mechanical structure for RF.
Evaluate and recommend new radio technologies and chipset for SimpliSafe products and roadmap.

Deep expertise in Radio and front-end design and validation in 400MHz to 70GHz ISM bands.
Encoding methods and modulation schemes such as OFDM, Frequency hopping, QAM, GFSK, UWB, convolution encoding, STBC.
RF emission requirements and testing for FCC, ETSI, Radio and Emission qualifications.
Debugging RF issues. Setting up, running and evaluating of TIS, TRP, BER, Return Loss, Desense, radiation patterns, etc.
RF simulation tools like CST or HFSS.
Bachelor's or Master's degree in RF/Electrical Engineering, or a closely related field.
5+ years of progressive experience in RF design, development, and validation, with a proven track record of bringing products to market.
Proficient with the operation of RF instruments such as signal generator, vector network analyzer, spectrum analyzer, power meter, IQxel, etc.
Exceptional analytical, problem-solving, and critical thinking skills, with an ability to tackle complex, ambiguous problems.

Familiarity with one more common MAC Layer protocols. WiFi, BLE, Zigbee, Z-wave etc or be willing to learn and build expertise in this area.
Familiarity with MAC level protocol analyzers.
Familiarity with Cellular communications.
C or python coding experience.
Familiarity with MATLAB.

A mission- and values-driven culture and a safe, inclusive environment where you can build, grow and thrive.
A comprehensive total rewards package that supports your wellness and provides security for SimpliSafers and their families.
Free SimpliSafe system and professional monitoring for your home.
Employee Resource Groups (ERGs) that bring people together, give opportunities to network, mentor and develop, and advocate for change.

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