Lead HTS Cryogenic Magnet Engineer for Fusion Systems

Lever, Inc.

Kearny (NJ)

On-site

USD 190,000 - 215,000

Full time

8 days ago

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Benefits offered by this job

Comprehensive health benefits

Employee equity stock options

20 days PTO

Job summary

Thea Energy in the United States seeks a Principal Magnet Cryogenics Engineer with 10–15+ years of experience to lead end-to-end HTS magnet cryogenic systems for next‑gen fusion reactors. You will own cryogenic design, thermal-hydraulic modelling, and integration of large-scale CICC or stacked HTS magnets.

Responsibilities include lifecycle stewardship from concept to commissioning, quench strategy, megawatt-class plant interfaces, and governance of major subcontracts.

Qualifications

10-15+ years in cryogenic engineering for superconducting magnets.
Ownership of magnet work packages >$10M in fusion/physics programs.
Expertise in HTS architecture and forced-flow cooling.

Responsibilities

Lead lifecycle for large-scale HTS fusion magnet cryogenic systems (concept to decommissioning).
Design and validate gHe or sLN2 cooling systems for high-field HTS conductors.
Perform dynamic thermal-hydraulic analysis and margin calculations under fault conditions.
Own cryogenic response strategy during quench events and overpressure relief sizing.
Oversee mega-watt cryogenic plants, cold compressors, heat exchangers, and cryostat interfaces.

Skills

HTS architectures

HTS cabling

Quench strategy

Thermal-hydraulic modelling

Tools

COMSOL Multiphysics

ANSYS Thermal/CFD

MATLAB/Simulink

Job description

Responsibilities include lifecycle stewardship from concept to commissioning, quench strategy, megawatt-class plant interfaces, and governance of major subcontracts.

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