The applicant, Md Saddam Hussain, is applying for the position of Mechanical Engineer/Mechanical Supervisor. He has over 3 years of experience in mechanical maintenance and has worked on preventative and corrective maintenance of equipment like centrifugal pumps, plate and frame heat exchangers, and shell and tube heat exchangers. He has also worked on projects involving chemical cleaning, hydrotesting, and commissioning of pipelines. He highlights his technical skills in areas like autoCAD, Pro-E, ANSYS, and maintenance procedures.