OverviewKeysight 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.Keysight is looking for aWireless Protocol Software Engineerwith strong3GPP protocol expertise, focused onLayer 3 (L3), to support advanced 5G andpre‑6Gwireless system development.You will workclose to standards and real implementations,



translating evolving protocol specifications intoscalable and robust software componentsthat directly impact system behavior and performance.This role provides deep technical ownership ofL3 protocol stackswithin amulti‑site international environment .ResponsibilitiesDesign, develop, integrate, and optimize the L3 protocol stack (RRC)Support UE emulationContribute to 5G standards, following 3GPP evolutionTranslate evolving requirements (3GPP releases, operator acceptance needs, O‑RAN priorities) into clear software designs, test workflows, and reusable componentsCollaborate with cross‑functional experts (systems, RF, protocol, product, customers/partners) to reproduce field issues, debug complex behaviors, and validate fixes with strong root‑cause disciplineQualificationsStrong expertise in 3GPP LTE / NRFocus on L3 protocols (RRC)C / C++Multi‑threading and real‑time programmingSoftware development and debuggingExperience working in a multi‑site environmentTechnical communication in EnglishPreferred QualificationsExperience with CI/CD, test frameworks, containers, and/or cloud‑based environmentsTools:Git, Valgrind/Polaris, JIRA, WiresharkCareers Privacy StatementKeysight is an Equal Opportunity Employer.#J-18808-Ljbffr

📌 Wireless Protocol Software Engineer – Layer 3 (Madrid)
🏢 Anite
📍 Madrid