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Senior Process Engineer

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 gaseous and liquid hydrogen transfer and management systems. As a member of the technical staff with subject matter expertise in hydrogen systems, you will lead early-stage development, design, build, test, and deployment of hydrogen systems for heavy-duty industrial applications, including vehicle systems, bulk transport and refueling systems, and productions systems.  

Position Responsibilities

  • Architect and design liquid and gaseous hydrogen transfer and management systems for stationary and mobile applications 
  • Develop hydrogen system requirements and sub-system specifications, and engage with vendors to find solutions
  • Identify and pursue key areas of research and development necessary to meet system-level requirements 
  • Provide Hydrogen Systems subject matter expertise through generation of practices and principles and mentorship of staff 
  • Conduct hazard analysis (PHA, HAZOP, LOPA) and establish safety procedures
  • Lead and participate in system and hardware design reviews 
  • Lead subsystem verification and validation plans, including test and deployment campaigns
  • Work effectively in a fast-paced, dynamic team environment  
  • Travel within the United States and internationally to represent First Mode to its customers, vendors, and partners 

Basic Qualifications

  • Bachelor’s degree in Chemical, Mechanical, or related engineering discipline, or equivalent combination of education and experience

Preferred Qualifications

  • Experience with liquid hydrogen systems or other cryogenic systems
  • 5+ years of experience in the design and implementation of hydrogen gas transfer and management systems 
  • Familiarity with chemical process simulation software (HYSYS / UniSim) 
  • General programming language experience such as Python 
  • Experience developing process design bases and control narratives 
  • Familiarity with codes and standards common to industrial gas processes 
  • 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.