I strongly recommend having your LinkedIn current and up to par with your resume. Expect several interviews. You'll start with an introductory interview with the recruiter. Then you'll interview with a couple SAMs (Strategic Account Managers) in series before interviewing with the Sales Director and either the CRO or CEO, and maybe a sales rep for extra fun. You're not expected to know everything; cloud technologies are very learnable, but you better understand the concepts of cloud best practices and know how to implement them. You'll most likely need to know one of the clouds quite well (an Associates+ certification helps). The interviews are very conversational, so relax and get to know each person you interview with. What you're being judged on is your culture fit (knowledgeable but ego-less, love learning, growth mindset, easy to get along with), ease of building relationships, transparency (be honest about what you don't know), and ability/interest to learn quickly. How well do you understand cloud technologies, how well can you teach them to others, and how well do you handle the firehose of new things to learn every day?