5. Environmental engineers: Environmental engineers are professionals who are involved in tasks that include preparing, reviewing, and updating environmental investigation and recommendation reports. To address environmental problems these professionals collaborate with environmental scientists, planners, hazardous waste technicians, engineers, and other specialists. Mathematics, science and thought processing are the top skills that are required in this field of work. One can easily bag a total pay package of 156, 594 - 933, 871 per annum if they select to become an environmental engineer.