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Cryogenic Systems Engineer - Liquid Hydrogen

Hydrogen Systems · Seattle, Washington

First Mode is a carbon reduction company developing creative, clean energy solutions for heavy industry’s toughest problems.

We hope you’ll join us in building a brighter future for people and planet.

First Mode is seeking to grow its skillset in liquid hydrogen fuel storage and handling for use with our megawatt-class fuel cell powerplants on mobile applications.  As a member of the technical staff with specialized experience in cryogenic systems, you will be an integral member of project teams that are developing, testing, and fielding first-in-kind liquid hydrogen fueled zero-emission technologies for large industrial applications on land, sea, and air. 

Position Responsibilities

  • Specify and/or design mechanical components to be used in cryogenic service, such as heat exchangers, pumps, and valves.  Work closely with vendors on the development of custom components.
  • Collaborate with multi-disciplinary team to conduct design trade studies, work across interfaces to optimize the system
  • Advise the company on research and development priorities, assess technology readiness of various technologies
  • Develop test plans and procedures, lead R&D, prototyping, and test efforts for component level testing as well as integrated system testing
  • Support safety assessments through HAZID/HAZOP, Bow Ties, FMEA, and similar activities
  • Travel within the United States and internationally to represent First Mode to its customers, vendors, and partners

Basic Qualifications

  • Bachelor's degree in Mechanical, Systems, Materials, or related engineering discipline, or equivalent combination of education and experience
  • 5+ years of experience with cryogenic systems

Preferred Qualifications

  • Experience with liquid hydrogen
  • Experience with cryogenic applications of composite tanks
  • Hands-on experience in a test environment
  • Familiarity with dynamic simulation software such as GT Suite
  • Ability to write and speak clearly about technical subject matter
  • Flexibility and responsiveness in a fast-paced, dynamic, small team environment


  • This position will be located at First Mode’s headquarters in Seattle, WA and will be required to work in office >60% of working hours

Benefits & Perks

  • Competitive compensation and bonus structure
  • 100% employer-paid health insurance (medical, dental, vision)
  • Flexible PTO with 12 week supplementary paid parental leave
  • 401(k) retirement account with a discretionary employer match
  • Commuter benefits (parking and public transportation)
  • A culture that encourages professional growth with learning and development reimbursements
  • Open and collaborative workspaces with free office snacks and lunches
  • Hybrid work model


First Mode is an Equal Opportunity Employer; employment with First Mode is governed on the basis of merit, competence, and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.