Senior RF/EMC Engineer - Coexistence & Regulatory Expert

Alarm Com; Tysons (VA); On-site; USD 145,000 - 155,000; Full time

Benefits offered by this job

Medical plans

401(k) with match

Paid vacation & holidays

HSA contribution

Life insurance

Job summary

Alarm.com is seeking a Senior RF/EMC Engineer to own RF design and EMC for multi-radio devices at our Tysons, VA HQ. You will work on cellular, Wi‑Fi, Bluetooth, LoRa, and sub‑GHz radios in security cameras and panels, mentoring junior engineers.

You will design antennas, matching networks, and RF layouts, manage EMI/EMI reviews, perform simulations, and drive products through regulatory testing while collaborating across hardware and software teams.

Qualifications

• Bachelor's degree in Electrical Engineering with RF focus.
• 5+ years RF/EMC design on wireless products, including certifications.
• RF front-end and antenna design for compact products.
• Low-EMI hardware design: stackup, grounding, filtering, shielding.

Responsibilities

• Own RF design and performance from requirements to certification and production.
• Design antennas, matching networks, RF layout, keepouts and front-end circuits.
• Lead RF/EMC reviews and ensure EMI/RF issues are addressed early.
• Perform antenna/EMI simulations to prevent and debug failures.
• Write RF performance and EMC test plans; drive regulatory certification.

Skills

RF design

EMC design

Antenna design

Low-EMI design

Schematic/layout reviews

RF testing & troubleshooting

Education

Bachelors in EE

Masters in EE (preferred)

Tools

Ansys HFSS

SIwave

VNAs

Spectrum analyzers

Anechoic OTA systems

Job description

Alarm.com is seeking a Senior RF/EMC Engineer to own RF design and EMC for multi-radio devices at our Tysons, VA HQ. You will work on cellular, Wi‑Fi, Bluetooth, LoRa, and sub‑GHz radios in security cameras and panels, mentoring junior engineers.

You will design antennas, matching networks, and RF layouts, manage EMI/EMI reviews, perform simulations, and drive products through regulatory testing while collaborating across hardware and software teams.