> Markdown version of [/jobs/ext/2558969-principal-engineer-communication-systems](https://www.wearedevelopers.com/jobs/ext/2558969-principal-engineer-communication-systems). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Engineer-Communication Systems - **Company:** Microsemi - **Location:** Irvine, CA, United States - **Experience:** Expert - **Salary:** $75,000.0 - $232,000.0 - **Contract:** Permanent contract - **Skills:** Bluetooth, C++ (Programming Language), Computer Programming, Modems, Software Debugging, Logic Synthesis of Circuits, MATLAB, Signal Processing, Wi-Fi Technology, Modeling and Simulation, Wireless Technologies - **Published:** August 10, 2026 - **Apply:** https://wd5.myworkdaysite.com/recruiting/microchiphr/External/job/CA---Irvine/Principal-Engineer-Communication-Systems_R997-26 ## About the Role * Master's or PhD in Electrical Engineering with 8+ years of relevant experience in wireless PHY systems design and implementation. * Strong background in signal processing and communication theory * Experience in MATLAB, C/C++ and fixed-point/cycle-true programming and simulation * Experience on Modem and digital front-end blocks design * Experience in IC design, RFIC calibration and testing * Experience in Wi-Fi or Bluetooth PHY layer standard is a great advantage * A team player; able to identify and resolve technical and schedule issues with team members. Team management skills would be an advantage. * Strong verbal and written communication skills with the ability to present technical materials effectively and produce good quality engineering documentation. ## Description We are seeking a Communications Systems Design Engineer with a strong background in communication theory and signal processing. The successful candidate will join our Wireless Systems Group in Irvine and as a senior member of the team, will be responsible for the systems design and implementation of physical layer algorithms for low power Wi-Fi, Bluetooth and Sub-GHz wireless products. You will be working with a cross-functional global team in a collaborative environment that we take pride in. You will thrive on complex technical challenges and be personally motivated to provide the best solution to challenging problems. Responsibilities * Working closely with RF/Analog, Digital, Validation and Software teams for bringing-up, testing and troubleshooting of test chips and SOC's * Simulate communication systems and participate in digital block design * Participate in RFIP design regarding block specs & controls * Design and simulation of the physical layer of wireless communication systems * Development of system models for performance evaluation, optimization and to guide design trade-offs * Working with the RF/Analog design team to develop module specifications * Working with the digital design team to implement algorithms and digital modules * Working with RF/Analog, digital and validation teams to bring-up, test and trouble-shoot test chips and SoC's * Documentation and development of design and test plans * Bring up communication systems in lab * Test and debug communication systems * Perform other duties as assigned ## Related Videos - [Building a Cross-Platform BLE Client with Kotlin Multiplatform and Kable](https://www.wearedevelopers.com/videos/100250-building-a-cross-platform-ble-client-with-kotlin-multiplatform-and-kable) - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [You’re a great coder? 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