RF Validation Engineer II

Silicon Laboratories Inc.; Austin (TX); On-site; USD 103,000 - 191,000; Full time

Benefits offered by this job

Great medical plans

Flexible vacation

401k with match

Equity rewards

Life/AD&D coverage

Tuition reimbursement

Paid volunteer days

Job summary

Silicon Labs in Austin, TX is hiring an RF Validation Engineer II to join a fast-paced IoT validation team. The role focuses on RF and PHY‑MAC design validation for low-power, high-performance SoCs used in Zigbee, BLE, Wi‑SUN and other wireless IPs.

You will work across silicon bring-up, lab measurements, and cross-functional teams to ensure performance targets and MTTR are met, shaping future wireless connectivity solutions for Smart Home, Industrial IoT and other markets.

Qualifications

• BSEE or MSEE required; 1–3 years in mixed-signal SoCs with RF signal chain preferred.
• Experience with Python or similar high-level modeling language for communication systems.
• Strong understanding of analog signal fundamentals and RF components.
• Experience with RF signal chains (LNAs, mixers, PAs, A/D, D/A).
• Experience with digital modulation formats (MSK/FSK, OQPSK, OOK/ASK).
• Proficient in taking measurements with RF lab instruments (signal generator, spectrum analyzer, network analyzer, oscilloscope).
• Knowledge of Bluetooth Low Energy, 802.15.4, 802.11 WiFi etc.
• Excellent written and verbal communication; self-driven.

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 using block/chip-level test benches and FPGA emulation.
• Bring-up and validate new Silicon Labs IP on silicon; support cross-functional teams.
• Perform lab measurements including RX sensitivity, frequency/baudrate/deviation tolerance, blocking, TX output power, etc.
• Support IC Design, Applications, FW, PTE, SQA, Systems, Modules teams with RFIC performance insights and data analysis.
• Guide the SW team on RF software implementations for scalable test infrastructure.

Skills

Python modeling

RF fundamentals

Modulation formats

RF lab measurements

Wireless standards

Self-driven work

Education

BSEE or MSEE

Tools

RF test equipment

Job description

Silicon Labs (NASDAQ: SLAB) is the leading innovator in low-power wireless connectivity, building embedded technology that connects devices and improves lives. Merging cutting-edge technology into the world’s most highly integrated SoCs, Silicon Labs provides device makers the solutions, support, and ecosystems needed to create advanced edge connectivity applications. Headquartered in Austin, Texas, Silicon Labs has operations in over 16 countries and is the trusted partner for innovative solutions in the smart home, industrial IoT, and smart cities markets. Learn more at www.silabs.com.

RF Validation Engineer II Austin TX

Silicon labs is seeking an experienced RF validation engineer.

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 PHY-MAC 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
• 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

Minimum 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

The following qualifications will be considered a plus:

• Basic DSP knowledge (up/down sampling, FIR filtering)
• Experience in revision control and configuration management systems

Benefits & Perks

• Great medical (Choice of PPO or Consumer Driven Health Plan with HSA), dental & vision plans
• Flexible vacation plan.
• Highly competitive salary
• 401k plan with match and Roth plan option
• Equity rewards (RSUs)
• Life/AD&D and disability coverage
• Flexible spending accounts
• Adoption assistance
• Back‑Up childcare
• Additional benefit options (Commuter benefits, Legal benefits, Pet insurance)
• 3 paid volunteer days per year
• Charitable contribution match
• Tuition reimbursement
• Monthly wellness offerings
• Free snacks
• Monthly company updates with our CEO # LI AA1

The annualized base pay range for this role is expected to be between $102,900 - $191,100 USD. Actual base pay could vary based on factors including but not limited to experience, geographic location where work will be performed and applicant’s skill set. The base pay is just one component of the total compensation package for employees. Other rewards may include an annual cash bonus, equity package and a comprehensive benefits package.

Silicon Labs is an equal opportunity employer and values the diversity of our employees. Employment decisions are made on the basis of qualifications and job‑related criteria without regard to race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status, or any other characteristic protected by applicable law.

At Silicon Labs, we hire and empower great talent to achieve their full potential. By offering challenging projects, technical mentorship, and continuous learning opportunities, we ensure our employees thrive at every stage of their careers. Here, you’ll work alongside some of the industry’s brightest minds, tackling complex problems that deepen your expertise and expand your horizons. Whether you’re building new skills or shaping your career path, we’re dedicated to supporting your growth and celebrating your success every step of the way.

Please note that our Company never asks for personal information unrelated to the job application process, such as bank or credit card data and never charges any fees to apply to any jobs.