> Markdown version of [/jobs/ext/1299693-radiofrequency-engineer](https://www.wearedevelopers.com/jobs/ext/1299693-radiofrequency-engineer). 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). --- # Radiofrequency Engineer - **Company:** Argonne National Laboratory - **Location:** Lemont, IL, United States - **Experience:** Expert - **Salary:** $162,750.0 - $253,890.0 - **Contract:** Permanent contract - **Skills:** Software Debugging, Radio-Frequency Identification, Software Tools - **Published:** July 16, 2026 - **Apply:** https://dejobs.org/x/x/F98B54984C2340C19A0478A658AA73D0/job/ ## About the Role * Bachelors and 15+ years' experience, Masters and 12+ years' experience, PhD and 10+ years' experience, or equivalent. * Experience in high-power rf system design, construction, operation and maintenance, with emphasis on multi-kilowatt solid state rf power amplifier technology. * A working knowledge of high-power rf technology at frequencies between 10MHz and 1,000MHz, and hands-on experience with LDMOS solid state rf power amplifiers. * Experience with high-power rf components, including waveguide transmission systems, and devices such as ferrite circulators and isolators, rf power couplers, rf loads, rf power combiners/splitters, and directional couplers. * Operational knowledge of Multikilowatt rf amplifier systems. * Knowledge in understanding complex systems and identifying and isolating problems. * Ability to model Argonne's core values of impact, safety, respect, integrity, and teamwork. * Interpersonal skills, oral and written communication skills, and ability to interact with people at all levels both within and outside the laboratory. Preferred Knowledge, Skills, and Experience * Knowledge and experience with accelerating cavities and vacuum-tube rf technology. * Operating experience with AC Power Distribution Systems for high-power rf installations. ## Description The Accelerator Systems Division (ASD) provides best-in-class operation, maintenance and upgrade of the Advanced Photon Source accelerators and support users in doing outstanding science in a safe environment. The Radiofrequency Group of ASD is searching for a Radiofrequency Engineer. Responsibilities will include: * Design, develop, construct, implement and maintain high-power rf systems for particle accelerator applications utilizing solid-state rf amplifier devices for power generation in the 10MHz to 1GHz frequency range. * Apply analytical methods and use circuit simulation software tools to design and optimize solid state rf power amplifier performance. * Design and implement interlock systems needed to protect high-power rf components and systems. * Analyze rf system performance to provide fault analysis and improve operation reliability. * Act as lead engineer in troubleshooting high power rf systems and independently design and implement system improvements. * Plan and lead R&D programs for development related to high-power rf systems and devices. * Independently perform complex electrical and electronics engineering analysis and troubleshoot and debug rf systems. * Formulate and implement maintenance and operating guidelines for SSA systems. 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