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The Senior Manufacturing Engineer will develop manufacturing processes, ensure manufacturability, oversee production from prototype to serial production, and improve efficiencies in nuclear reactor assembly.

Lead administration and evolution of the Siemens NX CAD ecosystem: develop standards, automation, Check‑Mate rules, manage large assemblies, reusable libraries, produce manufacturing-ready drawings, enforce best practices, support PDM workflows, and partner with engineers on mechanical parts and complex assemblies for a nuclear microreactor.

Provide hands-on IT support and systems administration across endpoints, identity, network infrastructure, collaboration tools, cloud services, and internal apps. Maintain security, compliance, imaging/patching, monitoring, and documentation to support engineering, manufacturing, and business teams in a regulated, government-facing environment.

The Manufacturing Engineer will develop manufacturing processes for nuclear reactor sub-systems, focusing on parts manufacturability, process qualifications, and collaboration across teams for design improvements.

The R&D Machinist I will operate CNC mills and lathes, troubleshoot machinery, and provide feedback to engineering while working on high-tech materials.

The Senior Build Quality Engineer develops and implements quality processes, ensures industry standards adherence, and drives quality assurance within the supply chain.

Serve as the first in-house attorney building Antares' legal and compliance foundation. Advise leadership across contracts, government-funded programs, export controls (ITAR/EAR), corporate governance, IP, and risk. Draft and negotiate commercial agreements, create scalable contract templates and playbooks, manage external counsel, and develop export controls and compliance programs. Provide day-to-day business-oriented legal support to enable rapid execution while ensuring regulatory compliance.

Antares is hiring engineers passionate about clean energy. Roles involve design, testing, software development, and operations. A degree in engineering or physics is required. Preferred skills include project management and industry experience.

As a Test Engineer II, you'll design test infrastructure, develop test plans, collaborate with teams, ensure precision, and lead testing processes for microreactors.

As Supply Chain Manager, define strategic roadmaps, onboard suppliers, enhance supply chains, and coordinate with engineering for design compliance, logistics, and performance metrics while supporting prototyping and production.