ON.energy · 9 hours ago
Sr Product Engineer BESS
Houston, TX
Full-time
Onsite
Senior Level
6+ years expON.energy is building the power infrastructure that makes the AI era possible. They are seeking a Sr Product Engineer to lead the technical design of utility-scale battery storage projects, manage vendor relationships, and support project execution during construction and commissioning phases.
AnalyticsEnergyEnergy ManagementEnergy StorageRenewable EnergySoftware
Responsibilities
Lead the technical design of utility-scale and C&I (Commercial & Industrial) battery storage projects for data centers. This includes selecting battery chemistry, power conversion systems (PCS), and thermal management strategies
Review Single Line Diagrams (SLDs), Three-Line Diagrams, and General Arrangement (GA) drawings, analysis from vendors, and create technical specifications for products Vendor Management: Interface with global BESS and related integrators to evaluate technical bids, perform due diligence on hardware, and manage FAT (Factory Acceptance Testing)
Perform performance modelling and degradation analysis to ensure the long-term bankability and health of the battery assets
Provide engineering support during the construction and commissioning phases, troubleshooting field issues and ensuring "as-built" accuracy to internal and external teams
Qualification
Required
Bachelor's degree in Electrical Engineering, Power Systems, or a related field
6+ years of professional experience specifically within the Energy Storage (BESS) or Renewable Energy sectors
Strong understanding of DC/AC power systems and high-voltage (HV) substation design
Familiarity with battery management systems (BMS) and energy management systems (EMS) logic
Experience with CAD software (AutoCAD) and power system modelling tools
Expertise in industry standards such as UL9540/9540A, NFPA 855, NFPA 68, NFPA 69 and IEEE 1547
Benefits
Medical, dental, and vision insurance
401(k) with company match
Paid time off and company holidays
Christmas Bonus (Aguinaldo): 30 days
Major medical expenses and life insurance
Paid time off and holidays (per local policy)
Professional development and growth opportunities
Opportunity to grow with a mission-driven team shaping the future of clean energy
Company
ON.energy
Battery storage IPP. A fully-integrated energy storage developer, technology company and asset owner. using proprietary software.
51-200 employees
Funding
Current Stage
Growth StageTotal Funding
$262.6MKey Investors
Lombard Odier Investment ManagersLive Oak BankUltra Capital
2025-01-28Debt Financing· $77.6M
2024-04-25Debt Financing· $25M
2023-12-20Debt Financing· $40M
Leadership Team
Alan Cooper
Chief Executive Officer
Ricardo de Azevedo
Chief Technology Officer
Recent News
Company data provided by crunchbase