Principal Mechanical Engineer
Commonwealth Fusion SystemsMilpitas, California
Full Time
Posted April 15, 2026
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Job Description
A Principal Mechanical Engineer responsible for designing, integrating, and implementing advanced thermal vacuum deposition systems and R&D machinery, with a focus on solving complex thermal-mechanical problems in vacuum environments and mentoring team members in a fast-paced, collaborative setting.
Key Responsibilities
- Design, integrate, and implement advanced thermal vacuum deposition systems and complex R&D machinery.
- Drive innovative architecture for high-performance hardware while maintaining procedural discipline.
- Solve complex thermal-mechanical problems in vacuum environments.
- Mentor and collaborate with team members in a fast-paced research and development setting.
Requirements
- Possess a minimum of a Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or a related technical field.
- Have at least 10 years of experience in mechanical engineering, with a focus on the design, integration, and implementation of advanced thermal vacuum deposition systems and complex R&D machinery.
- Demonstrate expertise in solving complex thermal-mechanical problems in vacuum environments.
- Be a technical expert capable of driving innovative architecture for high-performance hardware while maintaining procedural discipline.
- Experience in end-to-end design, integration, and implementation of thermal vacuum deposition systems and complex R&D machinery.
- Ability to mentor others in a collaborative, fast-paced setting.
Benefits & Perks
Compensation/salary range (not specified in the posting)
Work schedule: Onsite
Work environment perks: Fast-paced environment, collaborative setting
Additional benefits: Commitment to diversity and inclusion, equal opportunity employer, compliance with export control laws
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