جامعة البحرين
He gained the position of the Head of the Engineering Department at Gulf Technical College soon after earning his doctorate. Then, Baharna began to work at the University of Bahrain in different capacities until 1995. The last academic post he held was the vice president for academic programs and scientific studies at the University of Bahrain. After leaving academia he established a consulting firm in Bahrain. He is a founding member of the Al Wefaq National Islamic Society which he left in 2004. However, one year later he rejoined the society. In November 2005 he became deputy chairman of the Bahrain Chamber of Commerce and Industry.