Battery Sales Application Engineer (EU)

About the role

Amprius Technologies is looking for a Battery Sales Application Engineer based in the EU. You will work closely with technical leadership and customers to turn their needs into technical requirements, help with pack design calculations and coordinate the testing that brings new energy solutions to life. It is a high-growth role for a technically minded engineer moving from pure R&D into a customer-facing position.

Key responsibilities

• Application screening: help customers narrow down cell options from technical catalogs and analyse data packages to define solutions.
• Data package preparation: analyse test data and information packages to support cell design and pack integration.
• Pack-level capability modelling: review electrical, thermal and mechanical performance against empirical test results and tailor cell selection and pack proposals to market regulations.
• Test coordination: oversee sample test plans, track progress across internal and external labs, and gather data for certification and abuse testing.
• Pack-house support: join site visits to document capabilities, help onboard new manufacturing partners, review first-article prototypes and support BMS development for lithium-ion cells.
• Project coordination: maintain qualification schedules, flag delays to the account manager and feed back quality issues to R&D and Quality.

Required profile

• BS, MS or ME degree in Mechanical, Electrical, Materials Science, Chemical or Manufacturing engineering (or related STEM field).
• At least 5 years of relevant professional experience.
• Experience in technical product management in the battery, EV, aero-astro, drone or consumer electronics sectors.
• Understanding of lithium-ion chemistry, charging profiles and safety protocols.
• Travel of up to 25% to partners, events and trade shows.

Required skills

• Thermal-mechanical characterization and quantitative modelling.
• CAD (SolidWorks/AutoCAD) or electrical schematic tools.
• Excel or similar tools for performance modelling; cycling test systems (Arbin, Neware, Chroma) and Python or Pybamm/COMSOL are a plus.