Resideo is currently seeking a Senior RF Engineer to response for designing, analyzing, and optimizing security intrusion system and smart home's wireless antenna performance using electromagnetic simulation software. The wireless includes WIFI, BLE, LTE, Zwave, Zigbee, Sub GHz wireless etc. Strong expertise in electromagnetic theory, simulation tools, and practical problem-solving is required. **JOB DUTIES:** + Develop antenna models (e.g., microstrip, array, pfi antennas) using Antenna simulation tools (CST) + Perform parametric design and performance simulation based on requirements (frequency band, gain, radiation pattern, polarization, etc.) + Optimize antenna radiation characteristics for target applications (5G, LTE, WIFI/BLE, etc.) + Analyze simulation results (S-parameters, radiation efficiency, SAR, etc.) and propose design improvements + Address real-world challenges such as multi-antenna coupling, impedance matching, and environmental interference + Collaborate with hardware and RF teams to optimize antenna layout and mechanical integration (e.g., PCB embedding, conformal antennas) + Prepare simulation reports, technical documentation, and patent proposals. + RF circuit simulation, schematic, PCB Layout, antenna design, matching, and simulation + Assist testing teams in antenna prototype validation and performance benchmarking + Support intentional radiator certification - FCC/IC/PTCRB CE/RED + Support the manufacture activities for RF test solution and test limits in mass production + Continuously to drive new wireless technology and key challenges to help NPI team to delivery more competitive products **YOU MUST HAVE:** + Expertise in antenna simulation/design (entry-level candidates with project/thesis + experience may be considered) + Proficiency in at least one EM simulation tool (HFSS/CST/FEKO) and scripting (Python/MATLAB/VBScript) **WE VALUE:** + Good technical understanding of cellular communication system (2G/3G/4G), experience with one or more of the following radio technologies is a plus: WiFi / Bluetooth / Zigbee / SubGHz Radio + Solid understanding of antenna theory (transmission line theory, aperture field analysis, array synthesis) + Experience on product RF Test and FCC/CE agency + Good understanding and provable proficiency in wireless RF test equipment + Experience on EM simulation tools such as ADS/HFSS/CST + Fluent English in reading and writing; Capable of taking conf meeting in English is preferred. + Strong analytical and problem-solving abilities + Effective communication and teamwork **WHAT'S IN IT FOR YOU:** + Health Care Plan + Accidental Death & Disability Plan + Savings Plan + High Value on Work / Life Balance; Additional Leave Options + Mentee-Mentorship & Career Growth \#LI-AM3 \#LI-ONSITE Resideo is a $6.76 billion global manufacturer, developer, and distributor of technology-driven sensing and control solutions that help homeowners and businesses stay connected and in control of their comfort, security, energy use, and smart living. We focus on the professional channel, serving over 100,000 contractors, installers, dealers, and integrators across the HVAC, security, fire, electrical, and home comfort markets. Our products are found in more than 150 million residential and commercial spaces worldwide, with tens of millions of new devices sold annually. Trusted brands like Honeywell Home, First Alert, and Resideo power connected living for over 12.8 million customers through our Products & Solutions segment. Our ADI | Snap One segment spans 200+ stocking locations in 17 countries, offering a catalog of over 500,000 products from more than 1,000 manufacturers. With a global team of more than 14,000 employees, we offer the opportunity to make a real impact in a fast-growing, purpose-driven industry. Learn more at [www.resideo.com](http://www.resideo.com/). At Resideo, we bring together diverse individuals to build the future of homes. Resideo is an equal opportunity employer. Qualified applicants will be considered without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, religion, or veteran status. For more information on applicable U.S. equal employment regulations, refer to the ["EEO is the Law" poster](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Careers/EEO%20is%20the%20Law%20poster.pdf?rv=fdc492d184344b3ea4aec0c96b321632), ["EEO is the Law" Supplement Poster ](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Careers/EEO%20is%20the%20Law%20Supplement%20Poster.pdf?rv=ebe367cad846443e8fa5aa86062813b6)and the [Pay Transparency Nondiscrimination Provision](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Careers/Pay%20Transparency%20Nondiscrimination%20Provision.pdf?rv=11a9cf6533ba426296b137d906b0ce01). 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