Staff Metallurgical Materials Engineer for Fusion Power

Lever, Inc.; Harvard (MA); On-site; USD 130,000 - 200,000; Full time

Benefits offered by this job

Competitive equity

13 Company-wide holidays

Flexible vacation days

10 sick days

Parental leave policy

Health, dental, and vision insurance

401(k) with employer matching

Professional growth opportunities

Team-building activities

Job summary

Commonwealth Fusion Systems seeks a Senior Materials Engineer focused on metals and alloys for high-performance fusion components. The role involves translating requirements into testable material specs, guiding material selection for high-volume manufacturing, and collaborating across design, supply chain, and production.

Ideal candidates have extensive metallurgy experience, deep understanding of process–structure–properties relationships, and the ability to lead development projects with

Qualifications

• Master’s degree or higher in metallurgy, materials science, or related field; post-graduate experience preferred
• Minimum 10+ years experience in metals/public production or R&D settings
• Experience with large-scale metal production processes (casting, forging, rolling, drawing) and/or large-scale joining processes (soldering)
• Ability to translate requirements into verifiable material-property specs under production conditions
• Experience collaborating with vendors and suppliers; strong communication skills
• Familiarity with scaling metal/alloy design from R&D to production

Responsibilities

• Translate performance requirements into verifiable material-property specs for production
• Identify materials and processes enabling high-volume manufacturing under demanding conditions
• Select and interpret international materials standards; draft material specs for fusion applications
• Serve as technical lead for materials development when off-the-shelf options fail
• Collaborate with design, supply chain, and manufacturing to qualify materials and methods
• Provide SME for production root-cause analyses and corrective actions
• Review and report materials data in version-controlled databases

Skills

Problem solving

Agile project management

Cross-functional collaboration

Materials design understanding

Cryogenic/high-temp materials

Diligence in data analysis

Education

Master’s degree in metallurgy/materials science

Bachelor’s degree considered

Tools

Materials testing methods

Standards interpretation

Job description

Commonwealth Fusion Systems seeks a Senior Materials Engineer focused on metals and alloys for high-performance fusion components. The role involves translating requirements into testable material specs, guiding material selection for high-volume manufacturing, and collaborating across design, supply chain, and production.

Ideal candidates have extensive metallurgy experience, deep understanding of process–structure–properties relationships, and the ability to lead development projects with