Mechanical Design Engineer (Turbomachinery)

Arbor Energy•El Segundo, CA

13d•$110,000 - $140,000

About The Position

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 Arbor Energy is seeking a Mechanical Design Engineer to support the design and analysis of rotors and casings for turbomachinery in a supercritical CO₂-based power cycle. This role emphasizes hands-on design, analysis, and learning under the guidance of more experienced engineers, with increasing ownership over time. This position offers a rare opportunity to work on first-of-a-kind turbomachinery hardware in a highly collaborative R&D environment. Exceptional new graduates with relevant internships, research, or project experience are encouraged to apply.

Requirements

Bachelor’s degree in Mechanical, Aerospace, or a related engineering field
1–4 years of experience in mechanical design, turbomachinery, aerospace, energy systems, or related industries
Experience in structural mechanics, heat transfer, and materials
Familiarity with finite element analysis tools (ANSYS or equivalent)
Experience with CAD tools (NX preferred, others acceptable)
Strong analytical skills and willingness to learn complex rotating machinery systems
Ability to work collaboratively in a fast-paced R&D environment

Responsibilities

Design and optimize rotors and/or casings for high-performance turbomachinery using NX
Support or lead assembly architecture and material selection to meet performance and reliability requirements
Size and analyze bolted joints, seals, and piping flanges
Perform static, transient, and thermomechanical analysis using ANSYS
Conduct modal analysis of stationary and rotating systems
Perform thermal analysis to evaluate temperature gradients and thermal expansion
Ensure designs meet operational, thermal, and mechanical requirements
Collaborate closely with combustion, systems, and test teams
Support manufacturing, assembly, and testing activities to validate designs