Technical Presales Engineer – Data Center, UPS & Telecom

About the Opportunity

Join our global technical solutions team to develop lithium battery solutions for mission-critical power applications, including Data Centers, AI infrastructure, UPS backup systems and Telecom Power.

You will work directly with international customers, UPS manufacturers, system integrators and R&D teams to translate technical requirements into practical battery solutions.

This role offers hands-on exposure to global projects, advanced battery technologies and system integration, with opportunities to develop toward a Senior Solution Engineer or Solution Architect position.

Key responsibilities

• Solution Engineering: Develop battery sizing calculations, product selection and system configurations for UPS, Data Center and Telecom applications; as well as the future market trends

• Customer Engagement: Work with international customers, UPS partners and system integrators to understand technical requirements and recommend suitable solutions.

• System Integration: Evaluate battery integration with UPS, rectifiers, BMS, communication interfaces and monitoring systems.

• Technical Proposals: Prepare solution proposals, technical specifications, compliance matrices and engineering presentations.

• Cross-functional Collaboration: Work closely with R&D and Product teams to address technical gaps, validate design solutions and resolve integration challenges.

• Technical Risk Management: Identify potential design and application risks, recommend mitigation actions and follow issues through to the deal of the oppurturnities

About you

• Degree in Electrical, Electronic, Power Engineering, Energy Engineering or a related discipline.

• Preferably 2–5 years of relevant engineering experience in UPS, Data Center power, Telecom Power, lithium batteries or DC power systems.

• Good understanding of electrical fundamentals, power conversion, DC distribution or battery systems.

• Ability to interpret technical specifications, understand customer requirements and communicate engineering solutions clearly.

• Strong analytical thinking, problem-solving and cross-functional coordination skills.

• Good English communication skills. Chinese proficiency is an advantage for collaboration with China-based R&D and engineering teams.

• Motivated junior engineers with strong electrical fundamentals and willingness to learn are also encouraged to apply.