Project Engineer - BESS (all genders)

At Q ENERGY, our goal is to create a sustainable world with green energy. As a Project Engineer in our Iberian team, you will lead end-to-end technical engineering for utility BESS projects in both Spain and Portugal by delivering bankable, safe, and grid-compliant energy storage assets that drive global decarbonization.

Responsibilities

End-to-end project design: Manage projects from conceptual and detailed system design through permitting, site visits, construction support, and compliance with customer and regulatory requirements; Engineering & project planning: Develop energy production models, schedules, cost estimates, budgets, bills of materials, scopes of work, standards, and supplier quotes; Technical documentation & system design: Create and maintain SLDs, physical layouts, electrical schematics, specifications, and other engineering documentation, while coordinating internal and external designers; BESS safety & grid integration: Ensure compliance with NFPA 855, UL 9540, UL 9540A, and local fire requirements; develop solar/BESS interconnection requirements and EMS/BMS/SCADA communication protocols such as DNP3 and Modbus; Battery performance & technology strategy: Analyze battery degradation and SoH, develop capacity augmentation strategies, and stay informed on BESS technologies, costs, suppliers, applications, and market trends; Construction, testing & commissioning: Support construction management and supervise project execution, including FAT, SAT, capacity testing, commissioning, quality assurance, and schedule adherence; Cross-functional & stakeholder leadership: Coordinate engineering consultants and specialized contractors, support customers and business development, evaluate vendor proposals, collaborate on procurement/project controls, and develop O&M guidelines and continuous improvement initiatives

Requirements

Bachelor's degree in Electrical Engineering or a related engineering field; Minimum 3 years of professional experience in utility-scale BESS industry (stand-alone and hybridizations) and technologies (Batteries, PCS, EMS, SCADA, BMS); Experience participating in different phases of the BESS project lifecycle: development, engineering, construction, commissioning, and operation; Experience managing production/sensitivity analysis of models and BESS engineering (drawings, calculations, technical specifications, etc); Strong project coordination and documentation skills; Good understanding of MV/HV grid connection and European grid requirements; Experience working with EPC contractors, supplies, consultants and lenders; Professional fluency in Spanish and English both verbal and written

Nice to have

AutoCAD; Microsoft Office Suite; Homer Pro; PLEXOS

Benefits

Workplace in Madrid (Torre Europe near Santiago Bernabeu Station) or Seville; IT equipment including laptop, monitor, headphones, and company phone if needed; Flexible work hours; Hybrid work model (3 days office, 2 days mobile working); 30 working days of vacation; Free health insurance; Corporate discounts through Corporate Benefits program; Flexible remuneration program saving up to 30% of annual salary on lunch, childcare, and transportation; Detailed onboarding process; Supportive environment with open communication, teamwork, and knowledge sharing