Materials Engineer II jobs in United States
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Antares · 1 day ago

Materials Engineer II

Antares is a company focused on making clean energy abundant through advanced nuclear technology. They are seeking a Materials Engineer II to aid in the development and qualification of materials for their reactor systems, involving testing, collaboration, and innovation in materials science.

EnergyIndustrialMachinery ManufacturingManufacturing
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Responsibilities

Partake in the development and qualification for all materials in the reactor, including lifetime testing, cross-institutional collaboration, and property evaluation
Design and conduct physical, thermal, and mechanical testing of materials that replicates the reactor environment
Employ statistical methods to systematically evaluate effects of process variables and environmental effects on materials properties
Conduct materials characterization including root cause investigations of failure modes
Interface with manufacturing, neutronics, mechanical, testing, and quality engineers to integrate materials into the overall system, define limits to operating conditions based on material properties, and optimize processes

Qualification

Materials EngineeringMechanical Property EvaluationMaterials CharacterizationOptical MicroscopyElectron MicroscopyRadiation Effects KnowledgeStainless Steel KnowledgeNi Based Superalloys KnowledgeCeramics KnowledgeCoatings ExperienceGraphite KnowledgeExceptional Communication Skills

Required

Bachelor's degree in Mechanical Engineering, Materials Engineering, or a related field
3+ years of experience in materials engineering
Proficiency in optical or electron microscopy as well as mechanical property evaluation
Experience with Materials characterization including root cause investigations of failure modes
Ability to work long hours and weekends as necessary to support critical milestones

Preferred

5+ years demonstrated experience as part of integrated team in a production setting
Knowledge of radiation effects in materials
Knowledge of stainless steel, Ni based superalloys, and ceramics
Knowledge of Graphite or other nuclear materials
Coatings experience
Exceptional communication skills to work effectively across teams and convey technical information to non-specialists

Company

Antares

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Antares Industries is an advanced nuclear energy startup that designs and manufactures adaptable and scalable reactors.

Funding

Current Stage
Growth Stage
Total Funding
$126M
Key Investors
Shine Capital
2025-12-02Series B· $71M
2025-12-02Debt Financing· $25M
2024-10-30Series A· $30M

Leadership Team

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Julia DeWahl
Co-founder & President
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Company data provided by crunchbase