Mechanical engineer jobs at startups
The hardware side of the portfolio runs on mechanical engineers: structures, thermal, manufacturing, test. Aerospace, defense, and robotics companies post these constantly, and they all collect here.
174 open roles · Search and filter on the board →
Mechanical Systems Design Engineer
Mechanisms - Aero Control Surfaces
Mechanisms - Landing Gear System
Mechanisms - Separation System
Mechanical Assembly Technician
Mechanical Assembly Technician
Senior Mechanical Engineer
Mechanical Engineer I, Systems Integration (R5344)
Mechanical Integration Engineer
Mechanical Designer
End of Line Mechanical Technician
Senior Supplier Industrialization Engineer, Deployed Special Projects (Mechanical)
Sr. Mechanisms Engineer
Mechanical Design Engineer, Hands
Mechanical Engineer – Optical Systems (Miami, FL)
Staff Engineer, Propulsion - Mechanical Design (R5389)
Electrical / Mechanical Engineer
Mechanical Systems Engineer, Gearbox
Senior Mechanisms Engineer - Electromechanical Actuators
Battery Mechanical Engineer
Senior Battery Mechanical Engineer
Senior Mechanical Design Engineer
Manager, Mechanical Engineering
Senior Manager, Mechanical Engineering
Senior Mechanical Engineer, Intelligence Systems
Mechanical Engineer, Motor Design - 2026 New Graduate
Senior Mechatronics Engineer, Electro-Mechanical (PCB design + Motors/Actuation)
Engineer II, Mechanical (R5310)
Senior Test Engineer, Mechanical/Fluids
Mechanical Engineer
Mechanical Build Engineer
Data Center Research & Development Engineer, Mechanical - Industrial Compute
Mechanical Engineer, Maritime
Mechanical Engineer II, Systems Integration (R5344)
Staff Engineer, Mechanical & Actuated Systems (R5293)
Test Engineer, Mechanical/Fluids
Senior Mechanisms Engineer
Sr. TCA Mechanical Design Engineer
Senior Mechanical Engineer, Production - Connected Warfare
Lead Mechanical Engineer, Hardware Test (X-BAT) (R5271)
Senior Mechanical Design Engineer
Mechanical Engineer
Manufacturing Mechanical Engineer
Mechanical Engineer
Mechanical Maintenance Technician
Mechanical Design Engineer
Mechanical Design Engineer
Mechanical Operator
Senior Mechanical Manufacturing Engineer, Dive-XL
Staff Global Supply Manager, Mechanicals
Senior Mechanical Engineer, Thermal Analysis
Senior Mechanical Engineer, Mechanisms
Commercial HVAC/R & Mechanical Systems Technician, Maritime
Senior Mechanical Engineer, Subsystem Integration and Test
Senior Mechanical Engineer, Components and Propulsion
Mechanical Engineer, Subsystem Integration and Test
Mechanical Engineer, Components and Propulsion
Electro-Mechanical Engineer, Radar
Senior Mechanical Engineer, Mechanisms
Lead Mechanical Engineer - Structures (Austin, TX)
Lead Mechanical Engineer - Heat Exchangers (Austin, TX)
Senior Manufacturing Engineer, Mechanical
Senior Manager, Mechanical Engineering - Avionics (R4416)
Mechanical Engineer, Soft Goods Design
Senior Mechanical Engineer, Advanced Targeting & Sensing Systems
Senior Electro-Mechanical Test Engineer
Senior Mechanical Engineer
Electro-Mechanical Test Engineer
Mechanical Engineer, Sensing
Mechanical Design Engineer
Senior Engineer, Mechanical Test (R5207)
Mechanical Design Engineer
2027 Mechanical Engineer Intern
2027 Early Career Mechanical Engineer
Senior Mechanisms Engineer
Senior Manager, Battery Mechanical Engineering
Mechanical Engineer, Fluid Systems - 2026 New Graduate
Senior Mechanical Engineer, Surveillance Tower
Senior Engineer, Mechanical Test (R5091)
Senior Mechanical Engineer, Omen
Mechanical Technician, Launch Team
Intern, Mechanical Engineer (Fall term)
Mechanical Engineer, Power Electronics
Senior Mechanical Engineer
Principal Mechanical Engineer
Mechanical Design Engineer
Mechanical Engineer, Fluid Systems
Senior Mechanical Engineer, Counter Intrusion
Mechanical Engineer, Lead
Senior Engineer, Mechanisms - Catapult (R4939)
Engineer II, Mechanical Test (R4935)
Engineer II, Mechanical Design (R4922)
Mechanical Engineer, Production - Connected Warfare
Staff Mechanical Engineer, Fluid Systems
Senior Mechanical Engineer, Fluid Systems
Staff Mechanical Engineer, Systems Integration
Mechanical Design Engineer, Tactile Sensing
Field Mechanical Technician, Counter Intrusion
Senior Supplier Quality Engineer, Mechanical Subassembly / Composites
Director, Global Supply Management - Mechanicals
Roles here come straight from each speedrun portfolio company and refresh daily. Prefer warm intros over cold applying? Join the speedrun talent network: one signup, and we route you to the founders most likely to need you.