Sr. Heat Transfer Engineer - Turbomachinery

About this role

<div class="content-intro"><h2><span style="color: rgb(0, 0, 0);">About Us</span></h2> <p><span style="color: rgb(0, 0, 0);">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. </span></p> <p><span style="color: rgb(0, 0, 0);">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.  </span></p> <p><span style="color: rgb(0, 0, 0);">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.</span></p> <p><span style="color: rgb(0, 0, 0);"><span data-sheets-root="1"><strong>Steward our planet</strong>: We build for tomorrow, ensuring every bolt we tighten and every hand we lend leaves our environment stronger than we found it.</span></span></p> <p><span style="color: rgb(0, 0, 0);"><strong>Lead with Love</strong>: We champion the success of our people, partners, and planet, nurturing excellence through camaraderie and rigor.</span></p> <p><span style="color: rgb(0, 0, 0);"><strong>Explore the Uncharted</strong>: We embrace the unknown with curiosity, using courage and discipline to transform uncertainty into opportunity.</span></p></div><h2>Role Overview</h2> <p><span data-contrast="auto">We are<span class="TextRun SCXW146583632 BCX0" lang="EN-US" data-contrast="auto"><span class="NormalTextRun SCXW146583632 BCX0"> seeking a skilled Heat Transfer Engineer to lead component- and system-level thermal modeling for its advanced turbomachinery systems. This individual will own the development and integration of heat transfer and secondary flow models across the compressor, turbine, and combustor, enabling robust thermal boundary conditions, cooling flows, and clearance predictions. You will work closely with aerodynamics, mechanical design, systems, and </span><span class="NormalTextRun SCXW146583632 BCX0">controls</span><span class="NormalTextRun SCXW146583632 BCX0"> teams to ensure thermally integrated, operable hardware. Ideal candidates will have prior experience in high-temperature turbomachinery design, including thermal FEA, flow network modeling, and transient clearance analysis.</span></span><span class="EOP Selected SCXW146583632 BCX0" data-ccp-props="{}"> </span></span><span data-ccp-props="{"335559738":240}"> </span></p> <p><span data-contrast="none">Arbor’s team of world-class engineers and scientists are</span><span data-contrast="none"> </span><span data-contrast="none">developing a scalable, low-cost approach to Bioenergy with Carbon Capture and Storage (BECCS) based on modern rocket engine technology. BECCS is a carbon dioxide removal (CDR) approach that uses biomass to produce energy and remove CO₂ from the atmosphere and store it permanently underground, while ensuring food security, rural livelihoods, and biodiversity are not affected. Our modular technology leverages the power density of supercritical CO2 to enable compact gasification, oxy-combustion, and high-pressure turbo-expansion to convert abundant waste biomass into clean electricity, water, and high-purity CO2, capturing and sequestering all emissions from the process.</span><span data-contrast="none"> </span><span data-contrast="none"> Our team brings together a passion for science, technology, and global stewardship to make low-cost, high-quality carbon removal and baseload power a reality.</span><span data-ccp-props="{}"> </span></p> <p><span data-ccp-props="{}"><span data-contrast="auto">This is an onsite opportunity in our El Segundo, CA office.</span> </span></p> <h2>Responsibilities</h2> <ul> <li><span data-contrast="auto"><span data-ccp-parastyle="List Bullet">Own thermal and heat transfer analysis for rotating and stationary turbomachinery components.</span></span><span data-ccp-props="{}"> </span></li> <li><span data-contrast="auto"><span data-ccp-parastyle="List Bullet">Develop and </span><span data-ccp-parastyle="List Bullet">maintain</span><span data-ccp-parastyle="List Bullet"> secondary air system models, including cooling and sealing flow circuits.</span></span><span data-ccp-props="{}"> </span></li> <li><span data-contrast="auto"><span data-ccp-parastyle="List…