Wireless Systems Design Engineer
1 month ago
About Amazon Innovation Center (Shenzhen) Company Limited
At Amazon Innovation Center (Shenzhen) Company Limited, we are committed to delivering innovative products and services that exceed customer expectations. Our company is a subsidiary of Amazon.com, Inc., with a history dating back to 2004 when we first introduced the best-selling Kindle family of products.
We have since expanded our product lineup to include Fire tablets, Fire TV, and Amazon Echo, among others. As a key player in the development of these products, you will play a crucial role in shaping the future of consumer electronics.
Job Overview
We are seeking an experienced Wireless Systems Design Engineer to join our team in Shenzhen. This role is responsible for designing and delivering wireless solutions, including schematic/layout on WiFi/BT/WAN/GPS/ZB/Lora related products. The ideal candidate will have a strong background in RF systems engineering, with experience working with high-volume electronic design and manufacturing.
Responsibilities
- Design and deliver wireless solutions, including schematic/layout on WiFi/BT/WAN/GPS/ZB/Lora related products
- Work within a project team to take responsibility for wireless technology implementation, such as WAN, WiFi, BT, etc., and wireless system performance optimization
- Define wireless system performance and RF specifications based on device architecture, business model, and other predefined functions
- Design, simulate, implement, validate, and optimize RF circuitry (including schematic and PCB layout) and system performance
- Meet with vendors and technology suppliers to select and qualify key components
- Characterize RF test coverage, system de-sense, and EMI issues to meet requirements
- Perform simulations for RF design and de-sense mitigation
- Take the product through development, compliance testing, operator testing, ramp-up, and sustaining
- Support radiated manufacturing test and defects in the factory
- Optimize and improve any defect process from design/validation/manufacturing
Requirements
- Electrical Engineering degree, with hands-on experience in designing and debugging RF circuits and wireless systems, failure analysis, and functional verification
- Minimum 8 years of technical working experience in high-volume electronic design and manufacturing, preferably in WiFi/BT-related products or similar consumer electronics supporting high data rates transmission and other wireless technologies such as WAN and Zigbee
- Familiarity with general wireless communications standards, such as IEEE802.11 a/b/g/n/ac/ax and 3GPP (for LTE/WCDMA/GSM)
- Capability to develop system and RF performance specifications and their relative test requirements and test cases
- Familiarity with wireless system requirements, RF circuitry design considerations, component characteristics, schematic design, and layout techniques
- Familiarity with CAD software, such as Cadence, Allegro, PADS, and simulation tools, such as HFSS, CST, ADS
- Experience with simulations for RF design and de-sense mitigation (3D EM and circuit-level simulations)
- Characterization and debugging of de-sense and EMI issues to meet requirements
- Experience with multi-radio coexistence mitigation, including RF link budget planning and issue debugging
- Familiarity with test sets, such as Litepoint IQ, Anritsu8870A, Agilent8960, Anritsu8820, or CMW500/270, for RF testing and other instruments, such as VNA, spectrum analyzer, oscilloscope, and other typical RF accessories
- English fluency and good communication skills
Preferred Qualifications
- Master's degree in Electrical Engineering, Computer Engineering, or equivalent
- Experience working with interdisciplinary teams to execute product design from concept to production
- Experience with project management of technical projects
- Knowledge of SI and PI on high-speed interfaces, such as HDMI, LVDS/Mipi, USB, PCIe, and power distribution networks, etc.
- Knowledge of compliance testing for FCC/CE, EMI standards
- Antenna design knowledge is a plus
- Knowledgeable in production control processes, data analysis/interpretation GR&R, Cp/Cpk, and correlation analysis
Salary Information
The estimated annual salary for this position is between $120,000 to $180,000, depending on qualifications and experience. We offer a comprehensive benefits package, including medical, dental, and vision insurance, 401(k) matching, and paid time off.
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