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Tri Alpha Energy Inc.

Senior Neutral Beam Design Engineer

california, MO

Check who can apply and the requirements below before continuing.

About this opportunity

Tri Alpha Energy Inc. lists this Senior Neutral Beam Design Engineer opportunity in california, Missouri. Review the employer’s description below for duties, qualifications and application requirements.

Job description

TAE is the world’s first private fusion energy company, founded in 1998 to commercialize the cleanest, safest, most affordable, and sustainable form of carbon‑free power. We are applying science and engineering to design transformational technologies. Whether it’s harnessing fusion through the science of stars, making exponential leaps in power efficiency, or innovating medical care with a novel cancer treatment, we’re turning the promise of science into reality.

About The Role

Design and develop neutral beam injection systems, including ion sources, beam optics, vacuum system and beam dumps

Design high‑voltage components (100 kV–1 MV class systems)

Develop thermal management solutions for high‑power‑density components

Collaborate with physicists to integrate beam line components in the NB injector

Prototyping, testing, and commissioning of beamline systems

About You

Bachelor’s degree in design or mechanical engineering or related field

Experience with one or more of the following: Charged particle beam systems

Plasma sources (especially ion sources)

High‑voltage engineering

Solid Works or Catia

Simulation tools such as COMSOL Multiphysics, ANSYS, or similar

5‑10 years professional experience in an engineering role (design, analysis, test or manufacturing)

Preferred Qualifications

Experience with neutral beam injection systems or fusion devices

Knowledge of RF ion sources or negative ion generation, high power flux dumps, magnetic confinement systems (tokamaks, stellarators)

Hands‑on experience with high‑power test systems and high‑voltage systems

Compensation for this position may include a base salary in the range of $135,000 – $160,000, with additional elements such as equity participation and performance‑based rewards.

What you’ll get with us

Generous benefits: Medical, Dental, Vision, 401(k) with company match, paid vacation, sick time, companywide December holiday, wellness program, parental leave

Payment rewards for referring talent, novel research, and patents

A collaborative environment with cross‑disciplinary opportunities

Potential equity participation

HQ in Southern California

Employee events on and off‑site

Commitment to inclusivity and a supportive culture

TAE Technologies is an Equal Opportunity Employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status. We provide reasonable accommodations to qualify for the position. For accommodations or more information, contact

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Worksite address

california, MO, 65018, US

Who can apply

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