Contract Materials Test Technician - Fast-Paced R&D Lab

Commonwealth Fusion Systems LLC; Harvard (MA); On-site; USD 48,000 - 62,000; Full time

Job summary

Commonwealth Fusion Systems LLC is seeking a Contract Materials Test Operator to join an active R&D lab in Massachusetts. You will prepare specimens, run mechanical tests, and support a broad suite of metallographic, microscopic, and thermophysical evaluations.

The role combines hands-on testing with data reporting and daily collaboration with engineers and technicians. You will maintain equipment, manage inventories, and contribute to continuous improvements while adhering to safety and quality

Qualifications

• High school diploma or equivalent or higher.
• 2+ years with basic materials prep and testing tools.
• Experience in mechanical/electrical assembly, vacuum/cryo systems, soldering and wiring.

Responsibilities

• Prepare test specimens and perform laboratory experiments.
• Drive continuous improvement in materials test and characterization labs.
• Support inventory management for consumables/spare parts and report for purchasing.
• Execute materials test Jira tickets and QBench orders per SOPs.
• Operate standard and customized testing equipment and methods.
• Conduct materials testing under supervision with data management and reporting.
• Perform destructive mechanical tests (tensile, compression, flexural, shear, fatigue).
• Prepare metallographic samples, microscopy, hardness and magnetic/electrical testing.
• Install, maintain and troubleshoot lab equipment; calibrate and align instruments.
• Handle multiple assignments and adapt to lab operation changes.
• Maintain rigorous documentation ensuring data integrity and troubleshooting support.

Skills

Problem solving

Written communications

Oral communications

Data integrity

Team collaboration

Multidisciplinary team

Fast-paced environment

Safety procedures

Independent and team work

Education

High school diploma or higher

Tools

Microsoft Word

Microsoft Excel

Microsoft PowerPoint

Job description

Commonwealth Fusion Systems LLC is seeking a Contract Materials Test Operator to join an active R&D lab in Massachusetts. You will prepare specimens, run mechanical tests, and support a broad suite of metallographic, microscopic, and thermophysical evaluations.

The role combines hands-on testing with data reporting and daily collaboration with engineers and technicians. You will maintain equipment, manage inventories, and contribute to continuous improvements while adhering to safety and quality