Najdeah has worked as a solar energy engineer in 2017 for Related company in Amman Specialized in RE and Training.  His responsibilities were: - Site survey and study to give the best design for the projects, taking measurements, pictures and preparing site reports.     - Design the PV projects & produce the best energy solution for individual cases.    - Preparation of Tenders.   After 1 year he moved to another company also specialized in the same industry as projects engineers and Technical Support   Also Eng. Najdeah Provide several designs of PV systems for some Arab countries such as:     - Egypt    - Saudi Arabia    - Jordan  The systems have been designed varies from small to medium scale. The design of the systems includes Mechanical (structure Part) and Electrical Design.  Eng. Najdeah Trained Nearly 1000 students around the world in the Solar energy field through several courses in this field like: - Solar energy system design   - SketchUp Modelling for PV system   - SketchUp & AutoCAD For PV structure Shop Drawings    - Advance PVSYST Design Course   - Professional site survey to prevent design mistakes   Also Eng. Najdeah Has some online Courses Like:    - SketchUp    - PVSYST    - Solar System Design   Some of the course Free and others paid   Eng. Najdeah also worked as a lecturer for some Mechanical Engineering materials in some Academies in Amman Jordan in 2016 until 2018