Materials & Failure Analysis Engineer for Battery Systems

Socket.dev; Thorn Hill (TN); On-site; USD 90,000 - 130,000; Full time

Job summary

Eos Energy Enterprises is seeking a Materials and Failure Analysis Engineer to lead the incoming materials quality program and root-cause investigations into battery failures. This role spans materials, electrochemistry, mechanical/electrical engineering, and manufacturing quality to protect product performance, safety, and customer trust.

You will work cross-functionally with supply chain, R&D, manufacturing, quality, and field service teams to translate field returns and test data into

Qualifications

• Bachelor's degree in materials science, electrical, mechanical, chemical engineering, or related field.
• 5+ years of experience in failure/reliability/quality engineering, preferably with batteries or electromechanical systems.
• Hands-on experience with failure analysis techniques (electrical/electrochemical testing, microscopy, thermal analysis, X-ray/CT).

Responsibilities

• Lead RCFA on battery modules and systems from triage to corrective action.
• Design teardown, inspection, and testing protocols for failed units.
• Apply electrical, electrochemical, microscopy, and spectroscopy analyses to identify failure modes.
• Collaborate with R&D, suppliers, and manufacturing to implement improvements.
• Develop and maintain FMEA documentation for components and systems.
• Track failure trends and communicate findings through dashboards and reports.
• Support supplier quality investigations for component-level failures.
• Own incoming parts quality and inspection processes, including sampling plans and acceptance criteria.
• Investigate rejects and CAPA with sourcing teams.
• Contribute to safety investigations and compliant reporting.
• Help build lab capabilities, tooling, and SOPs for failure analysis.

Skills

Root-cause analysis

Electrical schematics

GD&T reading

Written communication

Lab troubleshooting

Battery systems

Data analysis (Minitab/JMP)

Safety standards

Python/ MATLAB/ SQL

Manufacturing experience

Education

Bachelor's degree in materials science or engineering

Tools

Microscopy

X-ray/CT imaging

SEM/Optical microscopy

CMM / calipers / micrometers

Job description

Eos Energy Enterprises is seeking a Materials and Failure Analysis Engineer to lead the incoming materials quality program and root-cause investigations into battery failures. This role spans materials, electrochemistry, mechanical/electrical engineering, and manufacturing quality to protect product performance, safety, and customer trust.

You will work cross-functionally with supply chain, R&D, manufacturing, quality, and field service teams to translate field returns and test data into