Mechanical Engineer Diploma At least 3 years experience in Oil storage tank construction. Roles and Responsibilities: 1.Supervise and coordinate tankage construction subcontractors and activities in assigned area. 2.Ensure construction works meets require productivity, quality and target completions. 3.Material requisition and verifying material for construction work 4.Supervise and control field craftsmen. 5.Encouraging field people to adhere safety procedures and instruction.