Antares · 3 weeks ago
Mechanical Design & Integration Engineer - Space
Los Angeles, CA
Full-time
Onsite
Mid Level
$115K/yr - $200K/yr
3+ years expAntares is committed to making clean energy abundant from Earth to the Asteroid Belt, focusing on advanced nuclear energy solutions. The Mechanical Design and Integration Engineer will lead the design and integration of nuclear systems for terrestrial and space applications, ensuring cohesive architecture and collaboration across various engineering disciplines.
EnergyIndustrialMachinery ManufacturingManufacturing
No H1B
U.S. Citizen Only
Responsibilities
Lead the configuration and integration of terrestrial and space nuclear systems and testbeds including reactor, power conversion, thermal rejection, shielding, and structural elements
Drive system-level layout, mass properties, and integration decisions across all phases of design, from concept through CDR
Own CAD integration models and configuration baselines
Drive cross-discipline alignment and trade studies
Coordinate closely with subsystem leads (nuclear, thermal, structures) to ensure a system architecture that satisfies requirements
Support design reviews and integration/test planning for hardware
Qualification
Required
Bachelor's degree in mechanical or aerospace Engineering, or a related physics-based field
Minimum of 3+ years of experience in vehicle configuration
Expertise with CAD (e.g., NX, CATIA) and past experience with PLM and other manufacturing planning and management systems
Ability to work nights and weekends as needed to meet business milestones
Preferred
Master's or PhD in mechanical or aerospace Engineering, or a related physics-based field
Expertise in the design, analysis, and integration of space and/or nuclear systems
Experience in nuclear or other high temperature systems
Leadership experience on a project or research team
Strong project management skills, cross discipline communication, and interpersonal and collaborative skills
Exceptional communication skills to work effectively across teams and convey technical information to non-specialists
Understanding of fundamental principles in fluid systems and solid mechanics
Demonstrated track record of initiative and high impact / ROI contributions
Broad knowledge of materials science and material selections, especially for nuclear applications
Company
Antares
Antares Industries is an advanced nuclear energy startup that designs and manufactures adaptable and scalable reactors.
11-50 employees
Funding
Current Stage
Growth StageTotal Funding
$126MKey Investors
Shine Capital
2025-12-02Series B· $71M
2025-12-02Debt Financing· $25M
2024-10-30Series A· $30M
Leadership Team
Julia DeWahl
Co-founder & President
Recent News
2025-12-17
2025-12-09
ClimateHack Weekly
2025-12-06
Company data provided by crunchbase