Signal Processing Software Engineer (DSP & Communications Systems)

Overview Keysight  is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world-class solutions in communications, 5G, automotive, energy, quantum, aerospace, defense, and semiconductor markets for customers in over 100 countries. Learn more  about what we do. Our award-winning   culture embraces a bold vision of where technology can take us and a passion for tackling challenging problems with industry-first solutions. We believe that when people feel a sense of belonging, they can be more creative, innovative, and thrive at all points in their careers. Are you passionate about signal processing, communications systems, and solving complex engineering challenges? Join Keysight's world-class Digital and Photonics R&D team, where you'll contribute to the development of the industry's highest-performance oscilloscopes and measurement solutions used by leading technology innovators around the globe. Located in beautiful Santa Rosa, California, in the heart of wine country, our team develops advanced measurement technologies that enable breakthroughs in next-generation networking, high-speed digital communications, optics, AI infrastructure, and semiconductor technologies. As a Signal Processing Software Engineer, you'll work alongside talented engineers, scientists, and researchers worldwide to develop innovative measurement algorithms, create industry-leading software capabilities, and help customers gain deeper insight into the performance of cutting-edge electronic and photonic systems. Why Join Keysight? Work on technology that enables the world's fastest communications networks and data centers Develop innovative DSP and measurement algorithms within measurements used by engineers worldwide Collaborate with globally recognized experts in signal processing, optics, communications, and instrumentation Experience the full product lifecycle from concept , invention and development through product launch and customer adoption Continuous learning, mentorship, and career growth opportunities Moves fluidly through software development, mathematical modeling, signal analysis, and hands-on laboratory work Make a measurable impact through technology that shapes the future of connectivity Responsibilities What You'll Do As part of a global, multidisciplinary engineering team, you will: Design, develop, and optimize advanced signal processing algorithms for electrical and optical communication measurements. Invent and implement innovative measurement techniques that characterize signal quality, impairments, and system performance. Develop calibration, correction, and compensation algorithms that improve measurement accuracy, repeatability, and instrument performance. Create customer-facing software features that simplify complex measurement workflows and improve user experience. Build automated test frameworks and validation tools to assess algorithm performance and measurement integrity. Analyze large waveform datasets and translate measurement results into actionable engineering insights. Collaborate across software, hardware, firmware, and system engineering teams to bring new products from concept to market. Document, present, and share technical innovations across global engineering teams. Support customer success by presenting technical solutions and occasionally collaborating directly with customers on advanced measurement challenges. Stay at the forefront of emerging communications and signal processing technologies through continuous learning and innovation. Qualifications We're Looking For Minimum Qualifications BS or MS in Electrical Engineering, Computer Engineering, Computer Science, Applied Mathematics, or a related technical discipline. Strong foundation in mathematical analysis, Digital Signal Processing (DSP), and algorithm development. Substantial evidence of high-quality code development with competence in code generation both with and without AI code gen assistance Excellent analytical and problem-solving skills. Ability to work effectively in collaborative, multidisciplinary engineering teams. Strong verbal and written communication skills. Interest in both software development and hands-on laboratory experimentation. Ability to learn new technologies, tools, and engineering domains quickly. Preferred Qualifications Experience in one or more of the following areas is highly desirable: Development of signal processing algorithms for communication systems, instrumentation, or measurement applications. Significant programming experience in: C++, or C# with knowledge of one or more of MATLAB, Python, .NET Framework Software development using Visual Studio and Azure DevOps environments. High-speed digital communications and modulation techniques. Oscilloscope, optical test, RF, or electronic measurement systems. End-to-end software feature development, including design, implementation, verification, and release. Automated testing, software quality methodologies, and validation frameworks. Technical Expertise in Areas Such As FFT and spectral analysis Digital filtering Sampling theory and interpolation Equalization techniques (FFE / DFE) MLSE and advanced communication algorithms Optical and high-speed serial communications Measurement science and instrument calibration What Will Make You Stand Out Experience developing customer-facing measurement software. Hands-on experience with oscilloscopes, signal analyzers, optical measurement equipment, or communications test systems. A passion for translating complex mathematical concepts into practical engineering solutions. Demonstrated innovation through research projects, advanced coursework, internships, patents, publications, or commercial product development.