RF & Plasma Computational Modeling Engineer

Stellios Technologies; Albuquerque (NM); Hybrid; USD 120,000 - 190,000; Full time

Benefits offered by this job

Competitive compensation

Equity participation

Job summary

Stellios Technologies in the United States is seeking an RF & Plasma Research Engineer to build computational models for high power microwave sources and RF systems, translating physics into predictive tools.

The role connects closely with hardware teams and emphasizes model development, validation against benchmarks and experiments, and integration of Python, C++, Julia, or MATLAB workflows to accelerate analysis.

Qualifications

• PhD in electrical engineering, plasma physics, applied physics, computational physics, accelerator science, or a directly relevant field, or
• A BS or MS in a relevant technical field plus at least 5 years of directly relevant professional experience
• Strong fundamentals in electromagnetics and at least one of: plasma physics, beam physics, vacuum electronics, computational electromagnetics, particle in cell methods, RF systems, or accelerator physics

Responsibilities

• Electromagnetic modeling of cavities, waveguides, resonators, mode converters, launchers, antennas, and high power RF structures
• Particle in cell and beam wave interaction modeling for klystrons, gyrotrons, electron beam systems, and related devices
• Plasma modeling relevant to high power microwave propagation, plasma interaction, breakdown, and advanced energy systems
• Reduced order models and first principles calculations used to sanity check large simulations
• Numerical optimization, parameter sweeps, uncertainty analysis, and design space exploration
• Model validation against analytic limits, published benchmarks, component tests, and full system experimental data
• Development of internal Python, C++, Julia, MATLAB, or equivalent tools that accelerate engineering analysis
• Integration of commercial solvers and open source codes into repeatable computational workflows
• Close collaboration with RF, HPM, power systems, magnet, thermal, mechanical, and experimental engineers
• Technical research that can translate into new products, patents, and publications where appropriate

Skills

EM theory

Plasma physics

Beam physics

Computational electromagnetics

Particle in cell methods

RF systems

Accelerator physics

Numerical modeling

Python programming

C++ programming

MATLAB programming

Julia programming

Education

PhD in electrical engineering or related field

BS/MS + 5+ years relevant experience

Tools

Python

C++

MATLAB

Julia

Job description

Stellios Technologies in the United States is seeking an RF & Plasma Research Engineer to build computational models for high power microwave sources and RF systems, translating physics into predictive tools.

The role connects closely with hardware teams and emphasizes model development, validation against benchmarks and experiments, and integration of Python, C++, Julia, or MATLAB workflows to accelerate analysis.