RF Validation Engineer II – Wireless SoCs

Silicon Labs Careers; Austin (TX); On-site; USD 103,000 - 191,000; Full time

Benefits offered by this job

Great medical plan (PPO/HSA)

Dental & vision plans

401k with match

RSUs

Life/AD&D and disability coverage

Adoption assistance

Paid volunteer days

Tuition reimbursement

Job summary

Silicon Labs in Austin, TX is seeking an RF Validation Engineer I to contribute to RF/PHY validation across Zigbee, BLE, Wi-SUN, and other IPs. You will participate in full lifecycle bring-up, testing, and cross-functional collaboration to optimize performance in low-power wireless SoCs.

The role emphasizes lab measurements, data analysis, and scalable RF test infrastructure, with opportunities to influence design and software integration. Targeting a dynamic, fast-paced IoT environment.

Qualifications

• BSEE/MSEE and 1-3 industry experience in mixed signal SoCs with RF signal chain.
• 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.
• 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
• Excellent written and verbal communications skills
• Demonstrated ability to generate high output in a self-driven manner
• Basic DSP knowledge (up/down sampling, FIR filtering)
• Experience in revision control and configuration management systems

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
• 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, and more
• Support IC Design, Applications, FW, PTE, SQA, Systems, Modules teams with insights on RFIC performance supported by careful data analysis, presentation and training
• Provide guidance to the SW team on proper RF SW implementations for a scalable test infrastructure platform and tools for efficient workflows

Skills

RF validation

Python

Lab measurements

Communication skills

Education

BSEE / MSEE

Tools

RF test equipment

Job description

Silicon Labs in Austin, TX is seeking an RF Validation Engineer I to contribute to RF/PHY validation across Zigbee, BLE, Wi-SUN, and other IPs. You will participate in full lifecycle bring-up, testing, and cross-functional collaboration to optimize performance in low-power wireless SoCs.

The role emphasizes lab measurements, data analysis, and scalable RF test infrastructure, with opportunities to influence design and software integration. Targeting a dynamic, fast-paced IoT environment.