Senior IoT RF Validation Engineer

About the position

We are Silicon Labs. We are a leader in secure, intelligent wireless technology for a more connected world. Our integrated hardware and software platform, intuitive development tools, unmatched ecosystem and robust support make us the ideal long-term partner in building advanced industrial, commercial, home and life applications. We make it easy for developers to solve complex wireless challenges throughout the product lifecycle and get to market quickly with innovative solutions that transform industries, grow economies and improve lives. Meet the Team We are developing highly flexible wireless SoCs in a fast-paced environment. The IoT Validation team has a vital role in ensuring product performance, scalability, and time to market. We are looking for an experienced engineer focusing on RF and DSP design validation of wireless IPs for low-power, high performance System-on-Chip IoT products. You will be part of a specialized, highly skilled IP-SoC development team spanning multiple wireless communications technologies such as Bluetooth Low-Energy, 802.15.4 Zigbee-Thread, 802.11 Wi-Fi, Wi-SUN, and proprietary short-range wireless. You will be taking designs through the complete development lifecycle from initial concept to silicon bring-up and optimization before shipping products.

Responsibilities

• Contribute to initial development of Zigbee, BLE, Wi-SUN, ZWave, MBus, and proprietary PHY configurations for Silicon Labs RF SoCs
• Perform pre-silicon testing utilizing a combination of block or chip-level test benches and FPGA emulation
• Generating test requirements from specifications compliant with the standards and protocols
• Bring-up and validate new Silicon Labs IP on silicon, providing support and feedback to cross-functional teams
• Perform lab measurements including RX sensitivity, frequency/baudrate/deviation tolerance, blocking, TX output power, PA modulation characteristics, EVM and more
• Provide technical expertise, up to and including owning the investigation, for radio issues which may be escalations from Applications, PTE, Systems, Marketing, etc.
• Work with Systems and Design teams to review the PRD to ensure we design and build quality products that can be thoroughly characterized under the constraints of schedule.
• Provide guidance to the SW team on proper RF SW implementations for a scalable test infrastructure platform and tools for efficient workflows

Requirements

• BSEE + 6 years of relevant experience or MSEE + 4 years of relevant experience
• Experience using Python or other high-level modeling language/tool for designing and evaluating communication systems and algorithms
• Strong grasp of analog signal fundamentals, basic circuit components, and specifications
• Basic DSP knowledge (up/down sampling, FIR filtering)
• Experience with RF signal chains including LNAs, mixers, PAs, A/D and D/A
• Experience with digital modulation formats (MSK/FSK, OQPSK, OOK/ASK, etc)
• Proficiency taking measurements with standard RF lab instruments (signal generator, spectrum analyzer, network analyzer, scope, DMM, SMU)
• Knowledge of common wireless communications standards and protocols such as Bluetooth low-energy, 802.15.4, 802.11 WiFi, proprietary sub-GHz
• Demonstrated ability to generate high output in a self-driven manner

Nice-to-haves

• Familiarity with basic operation of CMOS transistors, op-amps
• Experience in revision control and configuration management systems

Benefits

• Great medical (Choice of PPO or Consumer Driven Health Plan with HSA), dental and vision plans
• Highly competitive salary
• 401k plan with match and Roth plan option
• Equity rewards (RSUs)
• Employee Stock Purchase Plan (ESPP)
• Life/AD&D and disability coverage
• Flexible spending accounts
• Adoption assistance
• Back-Up childcare
• Additional benefit options (Commuter benefits, Legal benefits, Pet insurance)
• Flexible PTO schedule
• 3 paid volunteer days per year
• Charitable contribution match
• Tuition reimbursement
• Free downtown parking
• Onsite gym
• Monthly wellness offerings
• Free snacks
• Monthly company updates with our CEO