Subcritical Systems Inc · 17 hours ago
Mechanical Design Engineer
Austin, TX
Full-time
Onsite
Senior Level, Lead/Staff
8+ years expSubcritical Systems Inc. is a funded startup based in Austin, Texas dedicated to bringing innovative energy solutions to the United States. The Mechanical Design Engineer will work closely with engineering and scientific teams to develop designs for subcritical assembly and particle accelerator components, contributing to the transformation of energy production.
Utilities
No H1B
Hiring Manager
Stuart Henderson
Responsibilities
Develop conceptual and detailed mechanical designs for components, assemblies, and systems
Translate functional requirements, specifications, and performance targets into manufacturable designs
Create and manage 3D CAD models and 2D fabrication drawings using software such as NX or SolidWorks (NX preferred)
Conduct engineering calculations and simulations (e.g., stress, thermal, vibration, fatigue, or CFD)
Generate assembly models, weldment drawings, and detailed part documentation
Use analytical tools or finite-element packages to validate design integrity
Select appropriate materials, coatings, and surface treatments for performance and corrosion resistance
Develop fabrication and assembly specifications, bill of materials and procurement packages
Prepare engineering documentation, including design reports, calculations, and interface control documents
Manage fabrication tasks and fabrication procurements
Support build-out of in-house manufacturing and testing systems
Ensure compliance with applicable codes, standards, and safety requirements
Apply GD&T, DFM, and DFA practices to ensure drawings are clear, manufacturable, and accurate
Interface with suppliers, vendors, and fabrication shops to communicate drawing requirements and resolve build issues
Qualification
Required
Bachelor's degree in Mechanical Engineering with 8+ years of industry experience supporting mechanical engineering projects
Proficiency with NX, SolidWorks, Solid Edge, Pro-E, or similar 3D CAD tools (NX preferred)
Proficiency in Finite Element Analysis
Ability to create, revise, and check mechanical drawings using GD&T per ASME Y14.5
Familiarity with machining, metalworking, welding
Experience applying design-for-manufacturing (DFM) and design-for-assembly (DFA) principles to support engineering intent
Ability to translate engineering requirements into detailed drawing packages
Experience working in a team environment with scientists, engineers and technicians
Strong work ethic, resilient, able to work in a fast-paced collaborative environment
Preferred
Extensive familiarity with NX
Master's degree in Mechanical Engineering
Extensive familiarity with fabrication processes (machining, welding, forming)
Familiarity with revision control, configuration management, and drawing release workflows
Hands-on experience assembling mechanical prototypes, fixtures, or test jigs
Benefits
Comprehensive healthcare insurance.
Company
Subcritical Systems Inc
Subcritical Systems is a startup in Austin, Texas bringing the energy amplifier concept to the US to safely generate electrical power.
11-50 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase