Cryogenics Engineer (f/m/d)

Company Overview

Focused Energy is the leading laser-driven fusion company, dedicated to creating clean, limitless fusion power.

We unite top scientific and engineering talent to unlock commercially viable fusion energy using proven technologies.

Our goal is to drive economic growth and scientific innovation through the adoption of clean, abundant fusion energy worldwide.

Your Role

As a Cryogenics Engineer (f/m/d), you will play a pivotal role in designing, modeling, and optimizing advanced cryogenic thermal and fluid systems for commercial-scale fusion energy solutions.

You will collaborate with interdisciplinary teams to develop, simulate, and validate experimental designs, helping define the roadmap toward efficient and scalable clean energy.

• What You’ll Do
• Own the end-to-end simulation and analysis function for cryogenic thermal and fluid systems—from problem definition through model development, validation, and continuous improvement.
• Lead analytical approaches for new and undefined challenges, applying first‑principles research to create pioneering solutions.
• Drive model validation through close collaboration with experimental engineers, comparing simulation outputs to test data, and closing performance gaps.
• Ensure that the Cryo team’s hardware decisions are consistently supported by robust quantitative analysis.
• Develop integrated thermal and fluid analysis packages for commercial‑scale system development, conducting optimization and sensitivity studies as needed.
• Continuously refine analysis models as new experimental, materials, and system data become available.
• Partner closely with hardware engineers, experimentalists, and scientists to define system requirements and deliver actionable analyses for design.
• Provide the analytical foundation for the Cryo team’s technical roadmap, guiding what gets built, tested, and scaled.

Who You Are

• 3–5 years’ experience (or equivalent Ph D research) in integrated thermal and fluid analysis involving cryogenic systems (experience with hydrogen is preferred).
• MSc or Ph D in Mechanical Engineering, Physics, Chemical Engineering, or a related discipline.
• Strong foundation in heat transfer, thermodynamics, and fluid mechanics.
• Proficient in thermal analysis software (e. g., Thermal Desktop, COMSOL) and able to anchor analyses to real hardware.
• Familiarity with hydrogen systems, vacuum systems, cryogenic technologies, and phase change in solids, liquids, and gases.
• Skilled with instrumentation, sensors, and control logic for temperature, pressure, and flow in cryogenic environments.
• Hands‑on experience with test rig construction, system debugging, and low‑temperature measurements to support model validation is a plus.
• Comfortable collaborating across disciplines, and able to coordinate effectively with multiple engineering and science teams.

If you are excited about advancing clean energy and eager to make impact on a groundbreaking technology, we encourage you to apply.

Focused Energy is an equal opportunity employer committed to creating an inclusive environment.

Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation or gender identity or perception, national origin, age, marital status, protected veteran status, or disability status.

Pursuant to the San Francisco Fair Chance Ordinance, Focused Energy will consider for employment qualified applicants with arrest and conviction records.

Compensation offered will be determined by factors such as location, level, job‑related knowledge, skills, and experience.

Certain roles may be eligible for incentive compensation, equity, benefits.

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