Senior Mechanical Design Engineer

About the Company

Antares is building mass-producible, inherently safe, deployable microreactors for terrestrial, underwater, and space applications. The team is composed of experts from SpaceX, MIT, and various national laboratories, working to make clean energy abundant from Earth to the Asteroid Belt.

Responsibilities

• Design, build, and test the reactor’s cover gas system, hardware, assemblies, and detectors
• Concept and develop custom fluid-dynamic features to support fission product detection and inert environment retention
• Define design criteria, requirements, system architecture, and verification/validation test plans
• Collaborate with cross-functional teams across thermal, structural, neutronics, controls, and simulation disciplines
• Engineer components for high-temperature, high-stress, and radiation environments using advanced materials
• Perform design-for-manufacturability (DFM) assessments and execute tradeoffs across performance, cost, and risk
• Document technical decisions and present recommendations to senior leadership

Requirements

• Bachelor's degree in engineering
• 5+ years of experience in full-cycle design engineering roles
• Hands-on experience with CAD, analysis, build, and test
• Experience designing, sizing, and integrating fluid systems involving compressible flow
• Experience performing and interpreting computational fluid dynamics (CFD) analyses
• Ability to work long hours and weekends as necessary to support critical milestones

Preferred Qualifications

• Experience in the Nuclear, Aerospace, or Oil and Gas industries
• Experience with design engineering tools such as NX, ANSYS, or Femap
• Experience with engineering scripting languages such as Python and MATLAB
• Experience working with radiation detectors