Test Engineer
El Segundo, CA, United States
About Us:
Arbor is developing a scalable and low-cost approach to Biomass Carbon Removal and Storage (BiCRS) based on modern rocket engine technology. BiCRS is a process that removes CO₂ from the air through biomass and stores it. The team brings together deep experience in turbomachinery, combustion, and manufacturing. Their modular systems combine compact gasification with a supercritical CO₂ turbine, offering feedstock flexibility, high electrical efficiency, and permanent geologic storage.
One year into our journey we: assembled a world-class team of engineers, raised a $12.5M Seed round from top deeptech investors, pre-sold our first 1k tons of carbon removal, and sited our first demonstration plant. This first unit will remove more than 50,000 tons of CO2 from the atmosphere per year while producing roughly 3 MW of carbon-negative electricity.
Our Values:
Foster Planetary Partnership, Lead with Love, and Explore the Uncharted. Want to know what these mean to us? Just ask.
What You’ll Do:
Design, manufacture, source material, integrate, and construct the next generation of test stands and equipment that allows for the testing and validation of Arbor’s hardware. Develop testing procedures, run test campaigns, and post test data review with engineers as we advance our hardware to be truly carbon negative. Some examples of the scope of work includes, but is not limited to:
Coordinate with RE’s on hardware, testing and instrumentation needs, and testing procedure
Collaborate with RE’s on test operation, data acquisition and review, and next steps
Own design, assembly, and manufacturing of test equipment, hardware, fixtures, supplemental systems, test site infrastructure review and modifications
Source all materials and suppliers related to test campaign except for RE specific hardware
Coordinate with RE on engineering walk down (when necessary)
Work with systems engineer and RE to ensure correct DAQ setup and data processing
Run all tests necessary as aligned with RE and leadership, commodities at test sites, and safety related items
Who you are:
Bachelor’s degree in engineering or applicable science field
An experienced hardware development testing engineer with at least 5 years of expertise
Hands-on with test equipment such as valves, regulators, compressors, and pressure vessels
Demonstrated ability to own projects from beginning to end with minimal oversight
Experienced with high pressure and high temperature systems including flammable gasses
Able to execute under pressure (quickly and calmly detect and mitigate hot-fire anomalies)
Excellent at working in a fast-paced and autonomous environment (aka startup)
Able to travel locally to test site(s) as needed
It would also be great if you have:
8+ years of experience
Experience with rocket hot-fire testing
An advanced degree in electrical, mechanical, or aerospace engineering
Experience in a startup or agile development environment
In-depth knowledge of rocket engine injectors, gas turbines, or other combustion devices
Experience with NI LabVIEW or similar software suites
Coding experience including MATLAB, Python, Java, C++, or similar
What we offer:
Even as a Seed stage company, we are doing our best to compensate fairly and competitively because we want our team to be able to focus on doing work that will help build a truly sustainable civilization. Our compensation & benefits has 3 components:
Salary: Our salary range for this role is $130,000-$150,000 with the exact amount to be determined by level, qualifications, and experience.
Equity: The business opportunity for carbon removal technology is growing rapidly, and we want our team to share in Arbor's successes, so we offer stock options to all employees.
Benefits:
Up to 90% of employee’s Health Insurance premiums and up to 75% for dependents
Up to 90% of employee’s Dental Insurance premiums and up to 75% for dependents
Up to 75% of employee’s Vision Insurance premiums
100% of employee’s Life Insurance premiums
FSA matching
Unlimited PTO
12+ company holidays, including Earth Day!
Team outings like our Arbor volunteer day
Arbor is an equal opportunity employer. To build a global solution to this global problem will require humans of all varieties to contribute diverse ideas and experiences. We never discriminate on the basis of race, religion, national origin, gender identity or expression, sexual orientation, age, or marital, veteran, or disability status.
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