Battery Pack Engineer jobs in United States
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AST SpaceMobile · 2 hours ago

Battery Pack Engineer

AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices. They are seeking a highly skilled Battery Pack Engineer to support the design, assembly, testing, and production optimization of advanced battery packs, ensuring high reliability and performance of battery systems.

Information TechnologySatellite CommunicationTelecommunications
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H1B Sponsor Likelynote

Responsibilities

Support the development and optimization of battery pack designs, layouts, and electrical schematics
Define process parameters for welding, joining, and bonding operations for battery modules
Collaborate with R&D on cell selection, pack configuration, and system integration
Oversee battery pack assembly processes, ensuring adherence to quality standards and production schedules
Operate and maintain Amada and Hesse welding machines for busbar and tab welding, ensuring proper weld quality and consistency
Define and maintain SOPs, process documentation, and assembly work instructions
Perform battery cell and pack testing using Arbin cyclers, including charge/discharge cycling, capacity verification, and performance characterization
Support failure analysis, root cause investigations, and corrective actions for battery performance issues
Assist in battery safety, environmental, and reliability testing as per industry standards
Ensure compliance with ISO, IATF, and other relevant quality management standards
Implement quality control measures for welding joints, electrical connections, and thermal management components
Enforce ESD and high-voltage safety protocols during production and testing activities
Identify opportunities for process automation, efficiency improvement, and cost reduction
Provide feedback to equipment and process engineering teams for ongoing optimization

Qualification

Battery pack designArbin battery cyclersAmada welding systemsLithium-ion battery technologyElectrical schematics interpretationWelding parameters knowledgeProblem-solving skillsCollaborative workDocumentation skills

Required

Bachelor's degree in Mechanical Engineering, Electrical Engineering, Materials Science, or a related field
2+ years of hands-on experience in battery pack design, assembly, or testing
Direct experience with Arbin battery test equipment and Amada welding systems (laser or resistance welding)
Strong understanding of lithium-ion battery technology, cell balancing, and BMS integration
Proficiency in interpreting electrical schematics, CAD drawings, and mechanical assembly diagrams
Knowledge of welding parameters (current, pressure, pulse) and weld inspection criteria
Familiarity with data acquisition, test data analysis, and failure mode analysis (FMEA)
Strong problem-solving and troubleshooting skills
Ability to work collaboratively in a cross-functional production environment
Excellent documentation, communication, and reporting skills

Company

AST SpaceMobile

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AST SpaceMobile is a space-based broadband cellular network company for unmodified mobile devices.

H1B Sponsorship

AST SpaceMobile has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (8)
2023 (2)

Funding

Current Stage
Public Company
Total Funding
$3.92B
Key Investors
Trinity CapitalAtlas Credit Partners
2025-10-22Post Ipo Equity· $157.22M
2025-10-21Post Ipo Debt· $1.15B
2025-10-07Post Ipo Equity· $800M

Leadership Team

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Shanti Gupta
Executive Vice President, Chief Operating Officer
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Andrew Johnson
Member Board of Directors
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Company data provided by crunchbase