Joby AviationNYSE: JOBY: Manufacturer of electric vertical takeoff and landing aircraft.
3+ YOEB.S. in Mechanical/Aerospace Engineering with 5+ years (or advanced degree with 3+ years) in turbomachinery aero-mech analysis and design; hands-on testing experience; strong CAE, FEA, CFD and Matlab/Simulink skills.
Voya Energy: Commercializing metal-based fuel systems for clean off-grid electricity.
7+ YOEBachelor's in Mechanical Engineering, 7+ years mechanical design and system development experience, proficiency in 3D CAD (SolidWorks, NX, Creo), PDM/PLM, strong fluid mechanics and heat transfer knowledge, FEA/CFD experience, hands-on hardware and testing experience.
System Thermal Engineer - AI and Compute Server Development
Fremont or Oregon
$181k-$240k/yrOnsiteFull Time
Hyve SolutionsNYSE: SNX: Designs and manufactures custom hardware for hyperscale data centers.
8+ YOEBachelor's or Master's in mechanical/thermal engineering, 8+ years thermal design for servers or high-power electronics, CFD and lab validation experience, liquid cooling exposure preferred.
Member of Technical Staff — Thermal Simulation Engineer
Palo Alto, California, United States
$150k-$210k/yrHybridFull Time
Vinci: AI software for rapid hardware design and physics simulation.
3+ YOERequires a BS or higher in a rigorous technical field, 3+ years of thermal or simulation engineering, hands-on CFD/FEA, meshing expertise, CAD fluency, first-principles reasoning, and strong communication skills.
Form Energy: Developing multi-day batteries for grid-scale energy storage.
8+ YOEBachelor's in Mechanical/Chemical Engineering, PE preferred,8+ years industry experience with 3+ years commercializing hydrogen-handling products, strong knowledge of NFPA/IEC/UL standards, P&ID and CFD experience, ability to lead safety architecture and regulatory engagement.
Lightmatter: Develops photonic processors and interconnects for AI data centers
5+ YOESenior thermal engineer with MS/PhD in engineering and 5+ years in package/system thermal analysis; expertise in conduction, convection, CFD; experience with advanced cooling tech; proficient in ANSYS tools; lab validation.
Cspeed IO: A stealth startup developing next-generation optical semiconductor solutions for AI infrastructure.
6+ YOEMS/PhD in mechanical engineering/materials science or equivalent; 6+ years FEA for semiconductor packaging; expert in one FEA/CFD tool and working proficiency in a second; experience correlating simulation to hardware.
Fuse: Developing pulsed-power systems for fusion and radiation testing.
2+ YOEBachelor's or master's degree in engineering or applied physics, 2+ years designing or operating industrial fluid systems, CFD experience, fluid thermal-management expertise, and familiarity with dielectric fluids.
RivianNASDAQ: RIVN: Designs and manufactures electric vehicles and charging networks.
4+ YOEMaster’s or PhD in Mechanical or Thermal Engineering; 4-8+ years (PhD 4-6+); extensive experience in electronic cooling, CFD/thermal analysis, and automotive reliability standards.
ANSYS Icepak, Fluent, Flotherm, Star-CCM+, ANSA, META
Mechanical Engineer - HVAC/Plumbing - Data Centers
Rancho Cordova or Walnut Creek or Los Angeles
$126k-$250k/yrHybridFull Time
Black & Veatch: Provides engineering, procurement, and construction services for global infrastructure.
5+ YOEBachelors in engineering (or equivalent experience), minimum 5 years related experience, active engineering registration to support EOR, HVAC/plumbing and data center design experience, Autodesk Revit and CFD modeling experience, construction support and codes knowledge.
Autodesk Revit, Cadence Reality Data Center Design (Formerly 6Sigma Room)
Majestic Labs: Developing memory-first AI server platforms for data centers.
10+ YOE10+ years thermal engineering experience with liquid cooling from SoC cold plate to rack-level infrastructure, B.S./M.S. in Mechanical Engineering, CFD proficiency (Ansys Fluent, Icepak), product lifecycle and AI/GPU systems experience.
Vector Atomic: Develops precision quantum sensors for navigation and timing applications.
8+ YOE8+ years in Aerospace & Defense R&D, Bachelor’s in Mechanical Engineering, U.S. citizen or lawful permanent resident, 5+ years SolidWorks/CAD, experience with DFM/DFA, GD&T and ANSI Y14.5, prototype-to-production experience, comfortable in lab.
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
Experience engineering mechanical/HVAC systems for data centers or industrial plants, dynamic thermal modeling, field validation, risk quantification, and collaboration with controls engineers.
Zipline: Operates an autonomous drone delivery system for medical supplies.
Master’s or PhD in engineering, applied physics, or related field; strong electric-machine and electromagnetic modeling expertise; dynamometer testing, model validation, and MATLAB experience required.