Battery Systems Engineer II: Validation, Testing & Innovation

United States Digital Space LLC; Boston (MA); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Benefits

Equity package

Job summary

United States Digital Space LLC in Boston, MA is seeking a Battery Engineer II to drive validation and development of next-generation battery systems for our products. You will lead hands-on testing, analysis, and documentation across the design lifecycle.

You'll collaborate with cross-functional teams and suppliers, participate in regulatory activities, and contribute to design improvements. The role is based in Boston with relocation support and includes competitive base pay plus equity.

Qualifications

• BS with 2+ years in battery systems or MS with 1+ year experience.
• Experience in lithium-ion battery development, testing, validation, or related research.
• Strong understanding of Li-ion cell design, chemistry, testing standards, safety guidelines, and lab instrumentation.
• Experience writing technical reports and documenting test plans, quality findings, supplier assessments, regulatory compliance activities, and test evaluations.
• Strong communication skills for battery-related topics in cross-functional settings.
• Understanding of tolerance stack analysis, mechanical GD&T, and measurement methods.
• Familiarity with Python for data visualization, analysis, and automation.
• Awareness of emerging battery technologies, materials, and market trends.
• Strong commitment to AI tools in day-to-day tasks with high-quality output.

Responsibilities

• Develop, execute, and document battery pack, system, and component-level test plans for design validation, qualification, performance, durability, and safety across NPI programs and internal evaluations.
• Collaborate with multidisciplinary engineering teams and suppliers across the globe to translate system and cell-level safety and performance requirements into functional battery pack architectures.
• Support regulatory certification activities (e.g., UL, CE, IEC), internal safety audits, DFMEA, risk assessments, root cause analysis, and failure investigation workflows.
• Manage testing, review supplier test reports, and support verification and validation for new projects, suppliers, and alternate battery technologies.
• Evaluate lithium-ion batteries across different designs, use cases, and the company product conditions to assess performance, safety, longevity, and manufacturability.
• Travel to supplier sites as needed for line audits, design reviews, builds, and joint problem-solving (up to 15%).

Skills

Battery systems

Testing & validation

Documentation

Communication

Python

AI tools awareness

Tolerance analysis

Education

BS in Electrical/Mechanical Eng

MS in Electrical/Mechanical Eng

Tools

Python

Lab instrumentation

Job description

United States Digital Space LLC in Boston, MA is seeking a Battery Engineer II to drive validation and development of next-generation battery systems for our products. You will lead hands-on testing, analysis, and documentation across the design lifecycle.

You'll collaborate with cross-functional teams and suppliers, participate in regulatory activities, and contribute to design improvements. The role is based in Boston with relocation support and includes competitive base pay plus equity.