Propel Personnel is seeking an Internal Sales Engineer in Gauteng, Midrand. This role involves driving up-sell and cross-sell opportunities with existing customers in the solar energy sector. It requires a Bachelor's degree in Electrical or Mechatronic Engineering and 3–5 years of relevant experience. The ideal candidate will have a strong background in Solar PV systems and Battery Energy Storage Systems (BESS). A negotiable remuneration package based on experience and sales history is offered.