BESS System Engineer

Connect44 is a company that truly values its employees and fosters a culture of collaboration and innovation.

We are hiring an Application Manager with professional experience with Storage batteries system.

Job location: France, Boulogne-Billancourt (Paris area)

Available Positions: 1 position

Job type: Permanent

Job Ref. Number: FR2025003

• French Grid Code Compliance:
• Ensure that BESS designs and configurations comply with the French Grid Code and other applicable regulations.
• Provide guidance on grid connection requirements and ensure all BESS projects are aligned with national grid codes, including voltage, frequency, and reactive power management.
• Stay updated on changes to French grid regulations and industry standards, ensuring the company's projects remain compliant with evolving requirements.
• Grid Connection Support:
• Support the technical aspects of grid connection for BESS systems, ensuring smooth integration with utility grids.
• Assist in the preparation of connection applications, feasibility studies, and grid impact assessments for BESS projects.
• Provide input on the electrical design of BESS installations to ensure grid synchronization, load balancing, and compliance with grid operator requirements.
• Power Management Systems (PMS) Integration:
• Work closely with engineering and technical teams to configure and integrate Power Management Systems (PMS) for optimal performance of BESS solutions.
• Assist in the configuration of PMS parameters, including load flow, state of charge (SOC) management, energy dispatch, and fault detection.
• Provide expertise on the integration of PMS with battery storage systems, grid interfaces, and renewable energy sources (e.g., solar, wind) to maximize operational efficiency.
• System Optimization:
• Conduct simulations and performance analysis of BESS systems to ensure optimal operation and load management in line with grid demands.
• Provide recommendations for system improvements to enhance the efficiency and responsiveness of the PMS in grid-connected environments.
• Work on advanced control algorithms to enhance system performance, taking into account dynamic grid conditions, battery aging, and other system variables.
• Network & Cybersecurity:
• Collaborate with IT and engineering teams to design and implement secure, scalable, and resilient network architectures for BESS and PMS systems.
• Ensure proper integration of BESS systems with local area networks (LAN), supervisory control and data acquisition (SCADA) systems, and other operational technologies.
• Monitor and optimize network performance to ensure real-time data communication between BESS systems, PMS, grid operators, and aggregators.
• Cybersecurity:
• Apply cybersecurity best practices to protect BESS and PMS systems from cyber threats, ensuring the confidentiality, integrity, and availability of system data.
• Ensure compliance with industry standards and regulations for cybersecurity (e.g., NERC CIP, IEC 62443) for grid-connected systems.
• Implement secure remote monitoring and control systems for BESS, ensuring proper authentication, encryption, and access control mechanisms are in place.
• Conduct vulnerability assessments and penetration testing to identify and mitigate cybersecurity risks in BESS systems and networks.
• Aggregator Interface & Market Integration:
• Interface with energy aggregators to ensure BESS systems are correctly integrated into demand-side management programs, virtual power plants (VPPs), and energy market platforms.
• Support the development of protocols and communication interfaces between BESS systems and aggregator platforms, facilitating market participation, dispatch, and real-time data exchange.
• Ensure that BESS systems can be dynamically controlled and optimized through aggregator platforms, enabling active participation in energy markets, frequency regulation, and ancillary services.
• Market Participation & Optimization:
• Assist in the configuration and optimization of BESS systems to participate in energy market programs such as frequency regulation, grid balancing, and peak shaving.
• Work with aggregators and grid operators to maximize the value of energy storage through optimized dispatch strategies, ensuring regulatory compliance and cost-effectiveness.
• Technical Support & Application Engineering:
• Support the sales team in the pre-sales phase by providing technical expertise related to grid connection, PMS integration, aggregator interfaces, and network/cybersecurity considerations in BESS solutions.
• Assist in designing customized energy storage solutions based on customer needs and the characteristics of the local grid infrastructure.
• Prepare technical documentation, feasibility studies, and regulatory compliance reports for tendering purposes.
• Collaborate with clients, grid operators, aggregators, and regulatory authorities to ensure BESS system designs meet operational and compliance requirements.
• Act as a technical advisor to clients on the integration of BESS with grid systems, providing insights into optimizing energy storage for grid services and market participation.
• Troubleshooting & Problem Solving:
• Provide support for troubleshooting and resolving technical issues related to PMS configuration, grid connection, aggregator interfaces, cybersecurity, and BESS system integration.
• Analyze system performance data and identify areas for improvement, helping to resolve issues promptly and minimize operational downtime.
• System Sizing & Technical Specifications:
• Work with project teams to determine the appropriate sizing of BESS systems based on grid connection requirements, load profiles, and performance criteria.
• Develop and review technical specifications for BESS projects, ensuring all components, from batteries to PMS, meet design and regulatory requirements.
• Provide guidance on the selection of appropriate power electronics, transformers, inverters, and other system components required for seamless grid and aggregator integration.
• Assist with the commissioning and testing of BESS systems, ensuring they meet performance and grid connection standards.
• Ensure that systems are fully operational, test the integration with grid infrastructure, aggregator platforms, and verify the correct functioning of all control and monitoring systems.
• Documentation & Reporting:
• Prepare and maintain detailed technical documentation, including system designs, grid connection studies, commissioning reports, and compliance certifications.
• Document all technical aspects of the BESS and PMS integration, including configuration, performance, and operational parameters.
• Performance Reporting:
• Provide regular performance reports to internal teams and clients, highlighting key metrics such as system efficiency, battery life, cybersecurity measures, and grid and aggregator interaction.

• Education:
• Bachelor's or Master's degree in Electrical Engineering, Renewable Energy, Energy Systems, Cybersecurity, or related field.
• Advanced certifications in energy systems, grid integration, or cybersecurity (preferred).
• Experience:
• Minimum of 3 years of experience working with Battery Energy Storage Systems (BESS) or related energy storage technologies.
• Proven experience with Power Management Systems (PMS), including configuration and integration for energy storage applications.
• Strong knowledge of the French Grid Code and relevant national regulations related to grid connection for energy storage systems.
• Experience working with energy aggregators and market participation in demand-side management, virtual power plants (VPPs), or similar programs.
• Experience in networking and cybersecurity for industrial control systems, energy storage, or power management solutions.
• Familiarity with cybersecurity standards for operational technology (e.g., NERC CIP, IEC 62443) is a plus.
• Knowledge of HV is a plus.
• Technical Skills:
• In-depth understanding of BESS technologies (e.g., lithium-ion, flow batteries) and their integration with electrical grids.
• Expertise in Power Management Systems (PMS) and their role in optimizing energy storage and grid performance.
• Knowledge of network architecture, communication protocols (e.g., Modbus, OPC), and industrial control systems (e.g., SCADA, PLC).
• Proficiency in implementing cybersecurity measures such as encryption, access control, and threat detection for industrial systems.
• Familiarity with IEC 61850 or other communication protocols used in power systems and grid integration.
• Strong analytical skills and experience with simulation tools (e.g., MATLAB, PSCAD, DIgSILENT PowerFactory).
• Knowledge of aggregator platforms and energy market protocols for integrating storage systems into demand-side management or virtual power plant networks.
• Personal Attributes:
• Excellent problem-solving skills, with a proactive approach to troubleshooting and system optimization.
• Strong communication and presentation skills, able to explain complex technical concepts to both technical and non-technical stakeholders.
• Attention to detail with a focus on high-quality, accurate work.
• Ability to work independently as well as part of a collaborative, multi-disciplinary team.

Fluency in French and English (both written and verbal) is required.