About Us:

At Arbor, we are developing a scalable and low-cost approach to Biomass Carbon Removal and Storage (BiCRS) based on modern rocket engine technology. BiCRS is a carbon dioxide removal (CDR) approach that uses biomass to remove CO₂ from the atmosphere and store it permanently underground, while ensuring food security, rural livelihoods, and biodiversity are not affected. Our team brings together a deep passion for science, technology, community, and strategy required to make low-cost, high-quality carbon removal a reality. Our modular technology leverages compact gasification, oxy-combustion with a supercritical CO₂ cycle, and high-pressure turbo-expansion to convert abundant forestry waste biomass into clean electricity, water, and high-purity CO2, capturing and sequestering all emissions from the process.

Two years into our journey we: assembled a world-class team of engineers and scientists, raised over $30M from top deeptech investors, pre-sold our first 2000 tons of carbon removal, and are designing our first plant to demonstrate our novel technology capable of generating carbon-negative energy.

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

As a Test Engineer, you’ll design, operate, and maintain the hardware and systems that test and validate Arbor’s groundbreaking hardware specific to gasification, combustion, turbomachinery, solids handling, and more. Develop test procedures, run test campaigns, and support data reviews with component engineers to advance our hardware to be truly carbon-negative. Other examples of responsibility related to this role include:

- Coordinate test site schedule and availability to support multiple critical hardware development tracks.- Participate in the development and enforcement of systems and procedures that ensure safe, efficient, high-performance test site operation.

- Develop and maintain P&ID’s, drawings, equipment and instrument specifications, and other high-pressure test site design deliverables to support rapidly developing and challenging test requirements.

- Coordinate with component engineers on hardware, testing, and instrumentation needs; testing procedure of high-pressure components, gasification, combustion, and power generation systems

- Design and operate tests alongside equipment owners to ensure quality data acquisition and participate in data reviews to define follow-on actions

- Own design and build of test-specific support equipment, hardware, fixtures, instrumentation, and DAQ systems.s.

- Support setup, run, and teardown of test articles alongside component engineering teams.

- Expected to be hands-on and ready to support the integration of fluid systems and instrumentation by turning wrenches and running cable.

Who you are

- Bachelor’s degree in engineering or applicable science field

- 5 years experience in an engineering role with gaseous systems and components test design, build, sourcing, and operation

- Hands-on experience with high-pressure test equipment such as valves, regulators, compressors, pressure vessels, and safety pressure relief systems

- Demonstrated ability to own projects from beginning to end with minimal oversight

- Experience with high-pressure, high-temperature testing is required (our systems operate over 3,000 psi and over 1400 °F)

- 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 or other high-speed/high-power turbomachinery

- An advanced degree in electrical, mechanical, or aerospace engineering

- Experience in a startup or agile development environment

- Experience with gasification

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 have 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