Lead Cryogenic Engineer for SRF Cavities (Austin)

Subcritical Systems; Austin (TX); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Job summary

Subcritical Systems, Inc. in Austin, TX seeks a senior Cryogenic Design Lead to own the cryomodule cryogenic design, pressure systems safety, and distribution.

You’ll work with SRF, mechanical, RF, controls, and manufacturing engineers to carry designs from concept through fabrication, cold testing, and commissioning. Join a hands-on team driving 2–4 K operation, with ATLAS AI-assisted engineering and a culture of safety.

Qualifications

• Bachelor's degree in Mechanical, Cryogenic, or a related engineering discipline (master's preferred).
• 4+ years in cryogenic engineering or 10+ years in broader engineering with cryogenic exposure.
• Experience taking cryogenic mechanical systems from concept through commissioning.
• Strong knowledge of thermodynamics, heat transfer, and fluid flow.
• Ability to lead multidisciplinary teams, mentor others, and produce clear specifications and test plans.

Responsibilities

• Own the cryomodule's cryogenic design, pressure systems safety, and distribution systems.
• Perform and review thermal, structural, and fluid analyses to size cooling circuits and budgets for 2 K to 80 K components.
• Define and integrate interfaces with other cryomodule subsystems.
• Develop drawings, specifications, calculations, and test procedures; feed results back into future designs.
• Set requirements for safe cryomodule transport and handling.
• Translate validated models and test data into ATLAS, review outputs before fabrication.
• Represent cryogenic engineering in design and program development, mentor engineers and promote safety culture.

Skills

Cryogenic engineering

Thermodynamics

Heat transfer

Leadership

Project mentoring

Education

Bachelor's degree in Mechanical, Cryogenic, or related engineering

Master's degree preferred

Tools

CAD

Simulation tools

Job description

Subcritical Systems, Inc. in Austin, TX seeks a senior Cryogenic Design Lead to own the cryomodule cryogenic design, pressure systems safety, and distribution.

You’ll work with SRF, mechanical, RF, controls, and manufacturing engineers to carry designs from concept through fabrication, cold testing, and commissioning. Join a hands-on team driving 2–4 K operation, with ATLAS AI-assisted engineering and a culture of safety.