HEN Technologies · 8 hours ago
Principal Mechanical Design Engineer
Hayward, CA
Full-time
Onsite
Lead/Staff
15+ years expHEN Technologies is a deep-tech company focused on revolutionizing fire suppression technology through AI and IoT. They are seeking a Principal Mechanical Engineer to lead complex electro-mechanical system designs, optimize product reliability, and drive innovation in mechanical R&D.
Artificial Intelligence (AI)IndustrialIndustrial EngineeringInternet of ThingsManufacturingProduct Design
Responsibilities
Own and execute the most technically demanding projects in our roadmap, involving complex mechanical assemblies with IoT-integrated controls
Interface with multiple R&D teams to provide bandwidth and expert guidance when projects reach critical complexity or hit technical bottlenecks
Refine designs for maximum reliability in extreme environments, focusing on the synergy between motors, gears, PCBs, and high-pressure fluid paths
Lead rigorous design reviews across the engineering org, ensuring all hardware meets our standards for performance, safety, and DFM
Lead the mechanical R&D for next-generation products, proving out concepts through rapid prototyping and advanced simulation
Qualification
Required
15+ years of experience in high-complexity mechanical design, with a portfolio of shipped electro-mechanical products (robotics, fluid systems, or aerospace)
Expert-level proficiency in SolidWorks, including advanced surfacing, simulation (FEA/CFD), and complex assembly management
Deep knowledge of gear design, motor selection, fluid dynamics, and ruggedization for harsh environments
Ability to distill highly technical concepts for the CEO and executive team while being able to mentor and guide junior engineering talent
B.S./M.S. in Mechanical Engineering or a related field
Company
HEN Technologies
HEN Technologies develops an AI- and IoT-enabled fire suppression ecosystem to improve firefighting efficiency and responder safety.
51-200 employees
H1B Sponsorship
HEN Technologies 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 (1)
2024 (3)
2021 (1)
Funding
Current Stage
Growth StageTotal Funding
$31.73MKey Investors
O'Neil Strategic CapitalSilicon Valley BankNational Science Foundation
2025-12-17Series A· $20M
2025-12-17Debt Financing· $2M
2024-10-17Seed· $8M
Leadership Team
Sunny Sethi
Founder, Chief Executive Officer
Recent News
alleywatch.com
2025-12-24
2025-12-22
vcnewsdaily.com
2025-12-18
Company data provided by crunchbase