To become a solutions sales specialist, you need a combination of technical, sales, and interpersonal skills. You should have a solid background in engineering, preferably in the domain that you are selling solutions for. For example, if you are selling solutions for cybersecurity, you should have a degree or certification in computer science, information technology, or a related field. You should also have experience in using or developing the products or services that you are selling, such as software, hardware, or systems. You should be able to explain the features, benefits, and value proposition of your solutions in a clear and compelling way, using demonstrations, presentations, and proposals. You should also have strong sales skills, such as prospecting, qualifying, negotiating, and closing deals. You should be able to identify and address customer objections, handle complex sales cycles, and build long-term relationships. Additionally, you should have excellent interpersonal skills, such as communication, listening, empathy, and teamwork. You should be able to work effectively with customers, colleagues, partners, and vendors, and adapt to different personalities, cultures, and situations.