Breakthrough Energy Ventures Portfolio Company Career Opportunities

Senior Mechanical Engineer - Stack Design



Other Engineering, Design
Boulder, CO, USA
Posted on Tuesday, February 13, 2024

Who we are:

Electra is electrifying ironmaking to decarbonize steelmaking and eliminate 3.7 gigatons or 10% of global CO2 emissions. Leveraging proven industrial-scale electrochemical and hydrometallurgical processes, and backed by leading sustainability-focused venture capitalists, our team is developing lower cost, scalable solutions utilizing intermittent renewable energy to forge a cleaner, greener future for the trillion-dollar steel industry.

With a uniquely collaborative culture, endless passion for developing disruptive technologies, and the opportunity to revolutionize carbon-intensive manufacturing industries, careers at Electra offer challenge, reward, and the chance to bring to market solutions that dramatically improve the health of the planet.

What you will do:

The Sr. Mechanical Engineer will primarily contribute to projects spanning experimentation, simulation, and design to progress the company’s novel electrochemical cells towards commercialization.

In this role you will:

  • Design, execute, and report learnings of electrochemical and mechanical experiments.
  • Develop testing infrastructure for benchtop to full-scale electro-chemical reactors.
  • Investigate advanced design concepts and features of electro-chemical reactors/systems through rapid prototyping
  • Create and validate process simulation models spanning disciplines of thermodynamics, heat transfer, chemistry, and fluid dynamics
  • Develop, operate, and analyze data from testing systems Scope projects and document functional requirements for designs.
  • Assist with test plan reviews and formal design reviews
  • Collaborates with internal teams, vendors, and outside agencies as needed
  • Other duties as assigned

What we need you to bring to the team:

  • Bachelor’s degree in mechanical engineering, chemical engineering, or related field of study; or an equivalent combination of related education and experience
  • 5 years of related mechanical design or test engineering experience
  • Experience with designing, testing, and troubleshooting flow battery, electrolyzer, fuel cell, or chlor-alkali electrochemical stacks
  • Demonstrated ability to lead multidisciplinary engineering projects
  • Experience with proper experimental design, data collection, reduction, and reporting
  • Proficiency in 2D & 3D CAD Systems (preferably SolidWorks)
  • Experience utilizing common fabrication techniques (i.e. welding, machining, soldering, etc.)
  • Strong organizational and project management skills
  • Strong verbal and written communication skills
  • Proficiency with, or ability to quickly learn, Microsoft Office suite of programs including Word, Excel, PowerPoint, Outlook, OneDrive, and SharePoint.

What we want you to bring to the team:

  • An advanced degree in a related engineering field.
  • Experience utilizing computational fluid dynamics and/or finite element analysis packages
  • Advanced understanding of DFM principles and design standard ASME 14.5
  • Experience or the desire to be in a fast-paced, dynamic startup environment
  • A safety-first mindset; sharing potential risks with others before they result in hazardous outcomes
  • A desire to challenge yourself and take on increasing responsibilities as the company grows

Physical Requirements:

  • Ability to stand/sit for extended periods of time
  • Ability to lift up to 50 pounds
  • Ability to operate the following equipment and tools: Drill Press, Band Saw, and Circular Saw


  • The anticipated starting pay range for this position is $100,000-$130,000 annually and may be more or less depending upon skills, experience, and education.

Benefits For You:

  • 100% paid premiums across all medical, dental, vision, telemedicine, short-term disability, long-term disability, and basic life insurance plans
  • Reasonable use PTO
  • $1,800 in annual employer HSA contributions (health savings account)

Benefits For Your Family:

  • 100% paid premiums across all medical, dental, vision, and telemedicine plans
  • $3,600 in annual employer HSA contributions (health savings account)
  • 12 weeks of paid parental leave and flexible return-to-work options

Benefits For Your Future:

  • 401k with up to 5% matching contributions which vest 100% on day one
  • Eligibility for incentive stock options