RF Validation Engineer II

Silicon Labs • Austin, TX

1d

About The Position

Silicon Labs is seeking an experienced RF validation engineer to focus on RF and PHY-MAC design validation for wireless IPs used in low-power, high-performance System-on-Chip IoT products. The role is part of a specialized IP-SoC development team working across wireless technologies including Bluetooth Low Energy, 802.15.4 Zigbee-Thread, 802.11 Wi-Fi, Wi-SUN, and proprietary short-range wireless.

The engineer will support designs through the complete development lifecycle, from initial concept through silicon bring-up and optimization before products ship. The IoT Validation team works in a fast-paced environment and plays a role in ensuring product performance, scalability, and time to market.

Requirements

• BSEE or MSEE and 1–3 years of industry experience with mixed-signal SoCs involving an RF signal chain.
• Experience using Python or another high-level modeling language/tool to design and evaluate communication systems and algorithms.
• Strong grasp of analog signal fundamentals, basic circuit components, and specifications.
• Experience with RF signal chains, including LNAs, mixers, PAs, A/D, and D/A.
• Experience with digital modulation formats such as MSK/FSK, OQPSK, and OOK/ASK.
• Proficiency taking measurements with standard RF lab instruments, including a signal generator, spectrum analyzer, network analyzer, oscilloscope, DMM, and SMU.
• Knowledge of common wireless communications standards and protocols such as Bluetooth Low Energy, 802.15.4, and 802.11 Wi-Fi.
• Excellent written and verbal communication skills.
• Demonstrated ability to generate high output in a self-driven manner.

Nice To Haves

• Basic DSP knowledge, including up/down sampling and FIR filtering.
• Experience with revision control and configuration management systems.

Responsibilities

• Contribute to the initial development of Zigbee, BLE, Wi-SUN, ZWave, MBus, and proprietary PHY configurations for Silicon Labs RF SoCs.
• Perform pre-silicon testing using a combination of block- or chip-level test benches and FPGA emulation.
• 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, and TX output power.
• Support IC Design, Applications, FW, PTE, SQA, Systems, and Modules teams with insights on RFIC performance, backed by careful data analysis, presentation, and training.
• Guide the SW team on proper RF SW implementations for a scalable test infrastructure platform and tools that enable efficient workflows.

Benefits

• Medical plans, including a choice of PPO or Consumer Driven Health Plan with HSA.
• Dental and vision plans.
• Flexible vacation plan.
• 401(k) plan with match and Roth plan option.
• Equity rewards (RSUs).
• Life/AD&D and disability coverage.
• Flexible spending accounts.
• Adoption assistance.
• Back-up childcare.
• Commuter benefits.
• Legal benefits.
• Pet insurance.
• Three paid volunteer days per year.
• Charitable contribution match.
• Tuition reimbursement.
• Monthly wellness offerings.
• Free snacks.
• Monthly company updates with the CEO.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level