Arbor Energy · 2 weeks ago
Sr. Mechanical Design Engineer (Turbomachinery)
El Segundo, CA
Full-time
Onsite
Senior Level
$150K/yr - $170K/yr
5+ years expArbor Energy is creating technology to power lives while protecting the planet. They are seeking a Sr. Mechanical Design Engineer to lead the design and analysis of turbomachinery components, ensuring high-performance and reliable operation in supercritical CO₂-based power cycles.
AerospaceBiomass EnergyClean EnergyHardwareRenewable Energy
Responsibilities
Design and optimize rotors and/or casings for high-performance turbomachinery using NX
Select assembly architectures and materials to meet performance and reliability requirements
Size and analyze bolted joints, seals, and piping flanges for structural integrity
Perform static and transient thermomechanical analysis using ANSYS
Conduct modal analysis of both stationary and rotating systems to evaluate dynamic behavior
Perform thermal analysis to assess the effects of temperature gradients and thermal expansion
Ensure designs meet operational, thermal, and mechanical performance requirements
Collaborate with combustion and systems teams
Support manufacturing, assembly, and testing efforts to validate designs
Qualification
Required
Bachelor's degree in Mechanical, Aerospace, or a related Engineering field
5+ years of experience in turbomachinery design or mechanical system engineering
Proficiency in ANSYS FEM software for stress, thermal, and thermomechanical analysis
Strong understanding of bolted joint, seal, and flange design
Experience with static, transient, and thermal structural analysis of rotating systems
Familiarity with materials selection for high-stress and high-temperature applications
Preferred
Experience in creep analysis for high-temperature applications
Knowledge of rotordynamics and vibration analysis of rotating machinery
Familiarity with bearing design, damping, and balancing of rotating components
Experience working with supercritical CO₂ or high-density working fluids
Proficiency in NX CAD software
Experience in startup or R&D environments
Benefits
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!
Company
Arbor Energy
Arbor Energy is a clean power company that creates compact systems to generate clean, dependable electricity with zero emissions.
11-50 employees
H1B Sponsorship
Arbor Energy has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2023 (2)
Funding
Current Stage
Early StageTotal Funding
$68.5MKey Investors
US Department of EnergyLowercarbon Capital
2025-10-21Series A· $55M
2024-10-18Grant· $7M
2023-07-05Convertible Note
Leadership Team
Brad Hartwig
CEO | Co-Founder
Recent News
alleywatch.com
2025-10-28
ClimateHack Weekly
2025-10-25
2025-10-24
Company data provided by crunchbase