# BESS Senior Engineer

> 3E · Cape Town, South Africa (Hybrid) · Full-time · Posted 2026-06-18

**Workplace:** hybrid

**Department:** Expert (Engineering) Services

## Description

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.

## Requirements

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.

## Benefits

-   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.

## Apply

[Apply at 3E](https://apply.workable.com/3e/j/70A194B340/apply)

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