Job Application for Sr. Combustion Engineer at Arbor Energy

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About Us

At Arbor Energy & Resources Corporation ("Arbor Energy"), we’re creating technology to power our lives while protecting the planet that sustains them. Our advanced power systems deliver clean, reliable baseload electricity with zero operating emissions—modular, fuel-flexible, and engineered for the realities of today’s energy demand. At the core is a supercritical CO₂ turbine with integrated carbon capture, designed to bring carbon-neutral power online quickly at meaningful scale.

Our team includes aerospace engineers, combustion experts, and systems thinkers with a shared goal: to build technology worthy of the world we want to live in. While many of us began our journeys looking to the stars, we’re applying that expertise here at home to deliver dependable, emission-free baseload power and a future of lasting abundance.

If you share our values and are drawn to rigorous work with lasting impact, we’d love to learn more about you. Come build what the future will run on.

Steward our planet: We think on the scale of ecosystems, designing solutions with impact measured in CO₂ reduction, biodiversity preserved, and human quality of life.

Lead with Love: We choose kindness and empathy in all we do. When faced with challenges, we act with care, knowing that it’s always the right time to be kind.

Explore the Uncharted: Bold innovation is in our DNA. We embrace new ideas and unconventional paths to build a future of abundance.

Role Overview

The Sr. Combustion Engineer helps pioneer our rocket-inspired, high-pressure combustion systems for carbon-neutral and carbon-negative power cycles. In this role, you’ll lead end-to-end development of cutting-edge, high-efficiency combustion devices in a fast-paced, collaborative environment. You will partner closely with test engineers, analysts, and designers to push boundaries—delivering breakthrough performance that powers a sustainable future.

From conceptual design and modeling to hands-on testing and rapid iteration, you'll own the full hardware lifecycle.

Responsibilities

Lead the clean-sheet design and analysis of advanced oxy-fuel combustion systems, delivering breakthrough performance from concept to reality
Plan, execute, and analyze high-pressure and temperature test campaigns, delivering actionable insights to accelerate progress
Guide system configuration and drive performance optimization for maximum efficiency and reliability
Own rapid hardware development cycles—from manufacturing and assembly through testing and iterative improvements
Leverage additive manufacturing and state-of-the-art simulation tools to accelerate innovation and reduce development timelines
Champion continuous improvement by proposing and implementing design upgrades

Requirements

Bachelor’s degree in Mechanical, Aerospace, Chemical engineering, or related field
7+ years of experience in combustion system design, analysis, and testing
Comprehensive understanding of thermodynamics, fluid mechanics, and heat transfer
Hands-on experience with high-temperature and pressure equipment
Demonstrated ability to own the product lifecycle from conceptual design to validation
Curious, inventive, and entrepreneurial mindset comfortable driving progress

Preferred Qualifications

Advanced degree (M.S. or Ph.D.) in Mechanical, Aerospace, or Chemical engineering
Hands-on experience with hot-fire testing and high-pressure systems in rocket or gas turbine environments
Programming or scripting skills for data reduction and automation (Python, MATLAB, etc.)
Background in startup environments or agile hardware development cycles

Benefits & Compensation

Pre-IPO stock options
Medical, dental, and vision insurance (Arbor covers 90% for employees)
Basic life insurance fully covered
Health savings account (HSA) with matching
Flexible savings account (FSA)
Unlimited PTO 
12+ company holidays, including Earth Day! 
401(k)
Commuter benefits
Annual learning and development stipend
And more!

Base Pay: $150,000 - $170,000 USD/year. The salary is subject to the applicant's skills, qualifications, experience, and geographic location.

Our Commitment

Arbor Energy is proud to be an equal opportunity employer. We evaluate qualified applicants without regard to race, religion, national origin, gender identity or expression, sexual orientation, age, marital or veteran status, disability, or any other protected characteristic under applicable law. Solving global energy challenges requires a wide range of perspectives and experiences, and we are committed to building a team that reflects the world we serve.

Our hiring process is designed to be accessible, fair, and focused on the work that matters most for this role. Reasonable accommodations are available throughout the hiring process and employment—please let us know if you need one.

Sr. Combustion Engineer