The document lists several job roles and their responsibilities and requirements: - A Senior Estimation Engineer is responsible for reviewing tender documents, preparing cost estimates and summaries, and guiding other estimators. 10 years of civil engineering experience is required. - An Electro Mechanical Engineer is responsible for preparing tender proposals for water and wastewater plants, with knowledge of pumps, RO systems, and SCADA. 8 years of experience in electro mechanical engineering is required. - A Planner develops project plans and schedules, coordinates planning activities, and prepares related documentation. 6 years of civil engineering experience is required. - Other roles listed include Civil Engineer, Safety Engineer, Mechanical Engineer, AutoCAD Draftsman, Proc