RF and YIG Design Engineer

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.

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.

As an R&D RF and YIG Design Engineer at Keysight, you’ll be part of a collaborative and inclusive environment located primarily in Santa Rosa, CA. Our team, housed within Keysight Laboratories, is dedicated to shaping the future of technology. By joining us, you’ll play a pivotal role as part of a team creating, validating, and implementing next‑generation, high‑performance microwave/mm‑wave and frequency synthesis solutions to set Keysight products apart from the competition.

You’ll work on pioneering projects, driving advancements in YIG‑based solutions. The ideal candidate will have a strong foundation in microwave engineering, magnetics, and simulation, and be comfortable working across multiple domains including circuit design, electromagnetic modeling, and system‑level integration.

This senior‑level role requires technical leadership in defining design approaches, guiding trade‑off decisions, mentoring engineers, and driving alignment across research, product development, manufacturing, and test teams.

• Design and develop YIG‑based components and subassemblies, including YIG filters and oscillators
• Determine and develop approaches to complex research and development assignments across end‑to‑end product development, from concept and simulation through prototyping, testing, and production
• Apply multi‑physics principles and simulations to optimize performance and reliability
• Perform RF/microwave analysis and validation, including S‑parameter characterization and phase noise evaluation
• Design and implement high‑current driver circuits for YIG devices
• Collaborate with cross‑functional teams including systems, manufacturing, and test engineering
• Provide technical leadership by guiding architecture decisions, reviewing design approaches, mentoring engineers, and influencing cross‑functional technical direction
• Support transition of designs into manufacturing and production environments

• Educational Background: BS, MS, or PhD in Electrical Engineering or Physics, or equivalent, with minimum of 6+ years of relevant experience
• Strong knowledge of RF and microwave theory, including S‑parameters, filter theory and active microwave circuits and RF building blocks
• Hands‑on experience with RF measurement equipment, such as network analyzers, and spectrum and signal analyzers
• Proficiency with RF/microwave simulation tools, including both circuit and full‑wave EM tools (e.g., ADS, EMPro, CST, HFSS, COMSOL)
• Strong understanding of magnetics, including electromagnets, magnetic circuits, hysteresis effects
• Strong teamwork and interpersonal skills, with a collaborative spirit
• Ability to deal with uncertainty in requirements from product partners and drive to alignment
• Demonstrated ability to lead complex technical investigations, make data‑driven trade‑off decisions, and communicate recommendations to technical and business stakeholders

• Experience with advanced electromagnetic and magnetic simulations, including transient behavior, loss mechanisms (hysteresis, eddy currents)
• Solid experience in discrete circuit design, particularly high‑current driver circuits
• Background in filter and/or oscillator design
• Experience with low phase noise design and optimization
• Knowledge of material science, particularly crystalline structures, magnetic materials and steel alloys
• Familiarity with PCB design tools (e.g., Mentor, KiCad)
• Experience with phase‑locked loop (PLL) design and applications
• Programming…