A presales job typically involves working closely with sales teams to provide technical and functional expertise in support of the sales process. The main goal of a presales professional is to help the sales team close deals by providing customers with detailed product information, answering technical questions, and demonstrating how the product meets their specific needs.

Some key responsibilities of a presales professional may include:

1. Understanding customer requirements and identifying the best solution to meet their needs.
2. Conducting product demonstrations and presentations to showcase the features and benefits of the product.
3. Providing technical support to sales teams during the sales cycle, including responding to customer inquiries and objections.
4. Collaborating with product development teams to identify and address product gaps and develop new product features.
5. Creating and delivering proposals, quotes, and RFP responses to customers.
6. Building and maintaining strong relationships with customers, sales teams, and other stakeholders.
7. Keeping up to date with industry trends and competitive products.
8. Supporting post-sales activities, such as installation and configuration, as needed.

Successful presales professionals typically have strong communication and interpersonal skills, as well as a deep understanding of the products they support. They also possess excellent problem-solving skills and can work well under pressure in a fast-paced environment. A bachelor's degree in a related field such as computer science, engineering, or business is typically required, and relevant industry certifications are often preferred.