Senior RF/EMC Engineer — IoT Devices & Coexistence

Wwshemi; Tysons (VA); Hybrid; USD 145,000 - 155,000; Full time

Job summary

Alarm.com is seeking a senior RF/EMC engineer to own RF design and EMC compliance for multi-radio devices at our Tysons, VA headquarters. You will design antennas, matching networks, and front‑end circuits while collaborating with hardware and mechanical teams in an agile, fast‑paced environment.

You will mentor junior RF/EMC engineers, drive regulatory certification efforts, and ensure robust EMI/EMC performance across cellular, Wi‑Fi, Bluetooth, and sub‑GHz radios.

Qualifications

• Bachelor's degree in Electrical Engineering with RF focus.
• 5+ years RF/EMC design for wireless products that shipped.
• Experience with cellular, Wi‑Fi, Bluetooth, and sub‑GHz radios.
• Proficient in RF front‑end design, antennas, and EMC layouts.
• Familiar with FCC/CE/RED requirements and test planning.

Responsibilities

• Own RF design from requirements to certification and production.
• Design, select, and place antennas and matching networks.
• Lead RF/EMC schematic and layout reviews with teams.
• Evaluate receiver desense and coexistence with co‑located radios.
• Troubleshoot EMI/EMC failures and deliver fixes.
• Run antenna and EMI simulations to prevent and debug failures.
• Write RF performance and EMC test plans and manage certification.
• Mentor junior RF/EMC engineers and improve guidelines.

Skills

RF design

EMC design

Antenna design

Regulatory compliance

RF testing

Mentoring

Education

Bachelor's in Electrical Engineering

Tools

Ansys HFSS

SIwave

VNAs

Spectrum analyzers

Job description

Alarm.com is seeking a senior RF/EMC engineer to own RF design and EMC compliance for multi-radio devices at our Tysons, VA headquarters. You will design antennas, matching networks, and front‑end circuits while collaborating with hardware and mechanical teams in an agile, fast‑paced environment.

You will mentor junior RF/EMC engineers, drive regulatory certification efforts, and ensure robust EMI/EMC performance across cellular, Wi‑Fi, Bluetooth, and sub‑GHz radios.