Mechanical Design Engineer; Turbomachinery El Segundo, CA

Mechanical Design Engineer (Turbo machinery)
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.

Arbor Energy is seeking a Mechanical Design Engineer to support the design and analysis of rotors and casings for turbo machinery 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 turbo machinery hardware in a highly collaborative R&D environment.

Exceptional new graduates with relevant internships, research, or project experience are encouraged to apply.

• Design and optimize rotors and/or casings for high‑performance turbo machinery 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

• Bachelor’s degree in Mechanical, Aerospace, or a related engineering field
• 1–4 years of experience in mechanical design, turbo machinery, 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
• 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)
• Annual learning and development stipend
• And more!

Base Pay
: $110,000 - $140,000 USD/year. The salary is subject to the applicant's skills, qualifications, experience, and geographic location.

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 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.