I must now decline your offer of employment. I am going in another direction with my career that I believe is a better fit for me at this time.Giving a timely response is the most polite. The quicker you respond, the quicker the employer can fill the role. Declining an accepted job offer is a tough situation. Here's the how-to guide on how to decline a job offer you already accepted. Just write them a letter thanking them for the opportunity but you decided to pursue other options at this time. Quick, practical management advice to help you do your job better. If you're the one issuing a rejection, own the rejection. 1. Let your employer know as soon as possible.