Open with a strong, attention-grabbing summary. Your summary should provide an overview of your company and expectations for the position. Hook your reader with details about what makes your company unique. Your job description is an introduction to your company and your employer brand. Include details about your company culture to sum up why a candidate would love to work for you. Include an exact job location. Provide an exact job location to optimize your job posting so it appears higher in job search results.
Think of this as describing the purpose of the position, and its role within your company or organization as a whole. A job summary will briefly acknowledge the fundamentals of the position, so leave space on your job description template to answer.