RF Engineer - Fusion Microwave & Quasi-Optics

Type One Energy Group, Inc.; Knoxville (TN); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Hybrid work policy

Stock options

Insurance plans

Retirement options

Voluntary benefits

Job summary

Type One Energy Group is seeking an RF Engineer—Microwave & Quasi-Optics to design, analyze, and validate a high-power QO transmission line delivering millimeter-wave beams to the plasma vessel at our Knoxville/Madison sites.

You will work with physicists and engineers on beam propagation, optical components, and system integration, advancing fusion energy hardware while growing your expertise across multiple disciplines.

Qualifications

• Doctoral degree or Masters in Electrical Engineering, Physics, Applied Physics, or related field.
• Experience in microwave or millimeter-wave engineering (RF design, analysis, or testing).
• Knowledge of Gaussian beam optics and free-space propagation at millimeter/sub-millimeter frequencies.
• Proficiency with electromagnetic simulation tools CST, HFSS, COMSOL, etc.
• Hands-on microwave measurement techniques and lab instrumentation (VNAs, power meters, beam profilers).
• Strong analytical and problem-solving skills translating system requirements to components.
• Curiosity and ability to learn across disciplines.
• Excellent communication and collaboration in multidisciplinary teams.

Responsibilities

• Lead and contribute to design of QO transmission line components (waveguides, mirrors, polarizers, beam shaping).
• Perform Gaussian beam optics analyses to characterize beam propagation and losses.
• Use EM simulation tools to model QO components and validate designs.
• Coordinate fabrication of microwave components with machinists and vendors.
• Conduct low-power bench measurements for beam pattern, insertion loss, polarization.
• Support high-power conditioning and commissioning activities for the QO transmission line.
• Develop and maintain engineering docs including drawings and test procedures.
• Stay current with QO and millimeter-wave engineering advances.
• Interact with thermal, mechanical, and neutronics teams.

Skills

Microwave engineering

Millimeter-wave engineering

Gaussian beam optics

Hands-on measurement techniques

System integration

Analytical problem solving

Team collaboration

Education

Doctoral degree / Masters in Electrical Engineering, Physics, Applied Physics, or related field

Tools

CST Microwave Studio

HFSS

COMSOL

Job description

Type One Energy Group is seeking an RF Engineer—Microwave & Quasi-Optics to design, analyze, and validate a high-power QO transmission line delivering millimeter-wave beams to the plasma vessel at our Knoxville/Madison sites.

You will work with physicists and engineers on beam propagation, optical components, and system integration, advancing fusion energy hardware while growing your expertise across multiple disciplines.