<p><strong>POSITION OVERVIEW</strong></p> <p><strong></strong></p> <p><a class="external-link" href="http://alarm.com/">Alarm.com</a> is a rapidly expanding technology company developing innovative cloud and device solutions across a wide range of cutting-edge technologies that provide a unified, connected service to millions of residential and commercial properties in the US and abroad. We are looking for a talented and passionate RF/EMC engineer to join the Device Engineering team and help us define the future of the Internet-of-Things for residential and commercial properties by creating and integrating devices including security panels, networking gateways, and video cameras. You will be working with a team of talented engineers across a diverse set of technological backgrounds to design devices, build and manufacture hardware, architect and implement software, and collaborate in an agile and fast-paced environment.</p> <p>You will work on cellular (LTE, Cat-M, NB-IoT, RedCap), Wi-Fi, Bluetooth, LoRa, and sub-GHz radios in security, sensing, and life-safety devices. About two-thirds of the role is RF performance and EMC testing and verification, done independently. The other third is design: matching antennas, reviewing RF and EMI-sensitive circuits, and turning test failures into design fixes, working with senior RF engineers who will grow you into simulation and RF circuit design.</p> <p><strong>What You'll Learn and Work On</strong></p> <p><em>Areas the team owns; prior exposure is a plus, not a prerequisite.</em></p> <ul> <li>RF performance testing, conducted and over-the-air: TRP/TIS, output power, spectrum, and receiver sensitivity.</li> <li>EMC pre-compliance testing and debugging: radiated and conducted emissions and immunity.</li> <li>Antenna matching, characterization, and placement in the product enclosure.</li> <li>RF front-end and EMI design reviews, and design fixes proven on the bench.</li> <li>Antenna and EMI simulation with Ansys HFSS and SIwave.</li> <li>Regulatory certification support (FCC, ISED, CE/RED) at external laboratories.</li> <li>Test automation for repeatable measurements.</li> </ul> <p><strong>Responsibilities:</strong></p> <ul> <li>Independently plan and perform RF performance and EMC pre-compliance testing on multi-radio hardware against product specifications and regulatory requirements (FCC, ISED, CE/RED).</li> <li>Document and analyze results; state the impact on product performance and communicate findings to design and program teams.</li> <li>Design and tune antenna matching networks, single- and multi-band, and characterize antennas in the product enclosure.</li> <li>Participate in schematic and layout reviews of RF front ends, antennas, and EMI-sensitive circuits.</li> <li>Troubleshoot RF performance and EMC failures, propose design changes, and verify them on the bench.</li> <li>Contribute RF circuit blocks and run antenna and EMI simulations with senior engineers.</li> <li>Support certification testing: prepare samples, write test instructions, and witness testing at external laboratories.</li> <li>Automate repeated measurements to increase test throughput and reliability, using AI and software tools.</li> <li>Communicate effectively and collaborate with others to ensure the timely delivery of projects.</li> </ul> <p><strong>Required Qualifications:</strong></p> <ul> <li>Bachelor's degree in Electrical Engineering or a related technical field, with coursework or experience in RF, microwave, or EMC.</li> <li>2+ years of hands-on RF or EMC testing; graduate research and co-ops count.</li> <li>Works independently: scopes their own work, follows through, and communicates progress and blockers early.</li> <li>RF and EMC test results analysis and able to explain results to non-RF team members.</li> <li>Hands-on use of spectrum analyzers, vector network analyzers, signal generators, oscilloscopes, DC power analyzers, and cellular communication testers.</li> <li>Designs single-band impedance matching networks from VNA measurements using Smith chart fundamentals.</li> <li>Understands the types and sources of EMI and common mitigation: filtering, shielding, grounding, and layout.</li> <li>Experience reading schematics and PCB layouts.</li> <li>Familiar with cellular, Wi-Fi, Bluetooth, and sub-GHz IoT protocols.</li> <li>Clear written and verbal communication of results to design and program teams.</li> </ul> <p><strong>Preferred Qualifications:</strong></p> <ul> <li>Master's degree in Electrical Engineering.</li> <li>Multi-band antenna matching and antenna characterization (efficiency, gain, pattern) in an anechoic chamber.</li> <li>Electromagnetic simulation with Ansys HFSS, SIwave, or similar tools.</li> <li>Schematic capture or PCB layout of RF circuits, e.g. in Altium.</li> <li>Regulatory certification processes and standards (FCC, ISED, CE/RED) and preparing devices for external laboratories.</li> <li>Python scripting to automate lab tests and data processing, including with AI-assisted tools.</li> </ul> <p><strong></strong></p> <p>Please note that sponsorship of new applicants for employment authorization, or any other immigration-related support, is not available for this position at this time.</p> <p><strong>WHY WORK FOR <a href="http://www.alarm.com">ALARM.COM</a&