Senior Application Engineer

HyperStrong is a global leader in Battery Energy Storage Systems (BESS), delivering utility-scale energy storage solutions that support grid stability and accelerate the clean energy transition. As our North American business continues to grow, we are seeking an experienced Application Engineer to join our Technical Solutions team. In this role, you will bridge customers, sales, and engineering by developing technical solutions, supporting proposal activities, and ensuring a smooth transition from pre-sales through Notice to Proceed (NTP). Key Responsibilities Lead technical support throughout the pre-sales process, from customer engagement through Notice to Proceed (NTP). Review RFPs, customer specifications, and project requirements to develop optimized technical solutions. Prepare technical proposals, system layouts, single-line diagrams, and supporting documentation. Evaluate compliance with UL, IEEE, IEC, NEC, NFPA, and applicable local codes and standards. Conduct technical feasibility studies, gap analyses, and solution reviews during project development. Collaborate closely with Product Management and R&D teams to improve products, support certifications, and optimize system performance. Provide technical guidance on: Battery Energy Storage Systems (BESS) PCS (Power Conversion Systems) Controls & Communications Thermal Management Fire Protection System Integration Gather customer and EPC feedback to support continuous product improvement. Deliver technical presentations to customers and support industry conferences and trade shows. Minimum Qualifications Bachelor's degree in Electrical Engineering or a related engineering discipline. 3+ years of experience in Renewable Energy, Energy Storage, or EPC industries. 3+ years of experience in an Application Engineering, Systems Engineering, Project Engineering, or similar technical role. Strong understanding of: Battery Energy Storage Systems (BESS) PCS / Inverters System Integration Thermal Management Fire Protection Systems Electrical System Layouts Working knowledge of applicable industry standards including: UL NEC IEEE IEC NFPA Experience with AutoCAD or equivalent engineering design software. Excellent communication, documentation, and presentation skills. Ability to communicate effectively with customers, EPCs, and cross-functional engineering teams. English fluency required. Mandarin Chinese and/or Spanish is a strong plus. Preferred Qualifications Utility-scale BESS project experience. Experience supporting customer proposals and technical bid responses. Familiarity with grid-connected energy storage applications. Experience working with cross-functional global engineering teams. Customer-facing technical support experience. Travel Requirements Ability to travel approximately 25–50% for customer meetings, project support, factory visits, and industry events.