Giving a timely response is the most polite. The quicker you respond, the quicker the employer can fill the role.To demonstrate your professionalism, it is recommended that you inform the employer in writing that you are declining their offer. When writing a job offer rejection letter, you must be clear about your purpose and honest to tell them your reason for declining. Decline a job offer politely with our job offer rejection letter template. Say no gracefully and maintain a positive relationship. The short answer is yes, you can decline the offer. I suspect that the offer letter says that when you become employed, you would be an employee at will. Employment contracts typically set out the term or length of employment, compensation and benefits, job duties, and circumstances for termination. Wondering if anyone can shed some insight into the hiring process for jobs with the state (DNR, DHS, etc.).