Fortress Power · 17 hours ago
Senior Product Engineer
Langhorne, PA
Full-time
Onsite
Mid, Senior Level
3+ years expFortress Power is a leading global designer and manufacturer of Lithium Iron Phosphate (LFP) battery energy storage systems. They are seeking a highly skilled and experienced Product Engineer responsible for managing and coordinating the product lifecycle from the design phase to after-sale support, focusing on energy storage systems.
BatteryElectronicsEnergyManufacturingSales
Hiring Manager
Steve Lissansky SCP
Responsibilities
Lead and manage product lifecycle activities, including requirements gathering, design review, validation testing, and field support
Collaborate with R&D, manufacturing, supply chain, and service teams to ensure smooth product introduction and continuous improvement
Support the design and validation of Residential and C&I energy storage systems, including batteries, inverters, BMS, EMS, and related components
Conduct product testing, troubleshooting, and root-cause analysis for quality and reliability improvements
Develop and maintain technical documentation, including product specifications, test procedures, and user manuals
Serve as a technical liaison with customers, partners, and vendors to resolve issues and ensure product satisfaction
Monitor industry trends, standards, and regulatory requirements (UL, IEEE, NEC, etc.) to ensure compliance and competitive positioning
Provide technical training and support to internal teams and external partners
Qualification
Required
Bachelor's degree in Electrical Engineering, Mechanical Engineering, Material Science and Engineering, or related field (Master's preferred)
Must be fluent in Chinese or Mandarin
3–7 years of experience in product engineering, system integration, quality engineering, or related roles, preferably in energy storage, renewable energy, mass production, or power electronics industries
Strong understanding of lithium battery technology, inverters, BMS, and EMS
Experience with product validation, certification processes, and compliance standards (UL, IEC, IEEE)
Strong experience with quality management systems and process development
Proven ability to manage cross-functional projects and deliver on timelines
Strong problem-solving, analytical, and communication skills
Hands-on approach with ability to work in both office and field/lab environments
Ability to travel to customer sites as needed (25% travel)
Company
Fortress Power
Fortress Power is a manufacturer of lithium iron batteries providing clean energy storage solutions to its users.
51-200 employees
H1B Sponsorship
Fortress Power 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 (2)
Funding
Current Stage
Growth StageTotal Funding
unknownKey Investors
White Deer Energy
2022-01-10Private Equity
Leadership Team
Jing Yu
CEO at Fortress Power
Eric Wang
Chief Technology Officer
Recent News
altenergymag.com
2026-01-17
2025-10-17
Company data provided by crunchbase