The letter outlines the financial offer including a basic salary between 2000-3000 Qatari Riyals per month plus overtime pay. Need help drafting a job offer letter?Learn what to include in a job offer letter and use our ready made template. If you have accepted the offer letter, you will be required to complete some pre-employment screenings. The following information will assist you in applying for jobs with Fairfax County. You may also download this helpful brochure to assist you. ExxonMobil manages an industry-leading portfolio of resources, and is one of the largest integrated fuels, lubricants and chemical companies in the world. ExxonMobil manages an industry-leading portfolio of resources, and is one of the largest integrated fuels, lubricants and chemical companies in the world. NPMA Education and Events.