BESS Senior Engineer

About the role

To strengthen and expand our leading position in renewable energy advisory across Sub-Saharan Africa, we are looking for a Battery and Energy Storage System (BESS) Engineer to join our team based in Cape Town, South Africa. The core responsabilities are structured around three core pillars: 1. Technical Expertise : Feasibility Advise clients on the selection of cutting-edge battery technologies Support optimal system sizing, including hybridisation with solar and wind assets Assess technical and financial feasibility of BESS deployments within African markets Strategy Conduct market and regulatory analyses across Sub-Saharan Africa Identify revenue streams including energy trading, ancillary services, and flexibility markets Support client decision-making through data-driven insights and modelling Development Support BESS projects from early-stage design through to contracting, construction, and commissioning Contribute to technical specifications, procurement processes, and contractor evaluation Operation & Performance Provide recommendations to improve system availability, performance, and lifespan Support clients in optimising operational strategies and asset management Grid Integration Address grid integration challenges specific to emerging and evolving power systems Support the integration of storage solutions into utility and hybrid systems 2. Growth & Standardization: Contribute to the development of 3E's storage offering across Africa. Support the definition of a regional roadmap for BESS services. Develop tools, methodologies, templates, and guidelines to ensure consistent delivery quality. Continuously improve processes based on project experience and regional learning 3. Training & Knowledge Transfer: Mentor and train colleagues on BESS-related topics, ensuring the consistent upskilling of company personnel. Facilitate the exchange of technical knowledge and best practices across all global offices. We are looking for someone who combines technical excellence with a pragmatic, commercially minded approach , and who is eager to contribute to the energy transition in Africa. You hold a Master's degree in Electrical Engineering, Energy Systems or equivalent. You have a solid experience in industry, with a minimum 3-5 years of experience in BESS design and deployment focused on Li-on technology. You have strong Project Management skills and can manage multiple projects simultaneously. You show a strong interest in renewable energies, and this reflects in your way of life. You are analytical, structured and solution-oriented, with strong communication skills. You are curious, proactive and confortable working in dynamic & evolving markets. Your presentation skills are on point and you like participating in group discussions. Bonus points for: Knowledge of running BESS simulations with specific software or creating sizing tools for this purpose. Experience in the solar energy field. Basic knowledge in programming (Python) is an asset. Fluency in French. Salary in line with your level of experience plus laptop, medical aid allowance, phone allowance, 18 leave days (24 after 1 year of service), 13th month (end of year bonus). Flexible working /Home office. An international environment: projects in over 100 countries worldwide, colleagues of more than 37 nationalities.

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