Antares · 1 week ago
Senior Systems Engineer - Electric Motors
Los Angeles, CA
Full-time
Onsite
Senior Level
$140K/yr - $185K/yr
5+ years expAntares is a company focused on making clean energy abundant from Earth to the Asteroid Belt. They are seeking a Senior Systems Engineer – Electric Motors to lead the design, integration, and validation of high-speed motor generator units within their Power Conversion System, emphasizing end-to-end system ownership and cross-functional collaboration.
EnergyIndustrialMachinery ManufacturingManufacturing
No H1B
U.S. Citizen Only
Responsibilities
Lead the technical development of Antares’ high-speed Motor Generator Units, owning the full lifecycle from concept through design, integration, and validation
Define system- and component-level requirements for motor performance, power electronics interfaces, thermal limits, operability envelopes, and long-term reliability
Serve as the primary stakeholder for all MGU-related design decisions within the Power Conversion System, working closely with mechanical, thermal, control, and test engineering teams
Drive the integration of the motor and generator hardware into the closed Brayton Power Conversion System, ensuring proper alignment, structural support, thermal management, and compatibility with downstream control and protection systems
Oversee supplier engagement for MGU hardware, including specification development, design reviews, qualification processes, and ongoing performance tracking
Perform rotor dynamic analysis, evaluate critical speeds, and ensure robust mechanical design suitable for high-speed operation
Collaborate with power electronics engineers to refine motor control strategies, start-up sequences, and stable operation across the full mission profile
Develop analytical and simulation models to predict MGU performance and guide design tradeoffs, including electromagnetic, thermal, mechanical, and dynamic behavior
Plan and execute subsystem and integrated system tests, including creating test plans, defining instrumentation, establishing pass/fail criteria, and interpreting results to validate models and design assumptions
Lead troubleshooting and root-cause analyses for issues arising during development, integration, and test campaigns
Implement design improvements to enhance manufacturability, improve performance margins, and reduce cost or schedule risk
Ensure documentation quality, including requirements, test procedures, design reviews, and verification reports
Support safety analyses, risk assessments, and operational readiness reviews for MGU-related systems
Qualification
Required
Bachelor's degree in mechanical engineering, electrical engineering, aerospace engineering, or a related technical discipline
5+ years of experience working with electric machines, high-speed rotating machinery, and motor-generator systems
Experience integrating and testing motors with power electronics, including defining electrical and mechanical interface requirements
Ability to work long hours and weekends as necessary to support critical milestones
Preferred
Master's degree or PhD in an engineering field
Experience working in the Nuclear, Aerospace, or Automotive industries
Excellent negotiation, conflict resolution, and leadership skills
Leadership experience on a project or research team
Experience working in a start-up environment
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
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