 They provide this service to various internal or external customers, and they may work for a manufacturer (servicing its industrial-account/business-to-business customers), for a distributor (which in turn services the industrial-account/business-to-business customers), or for a third party such as an engineering consultancy or a systems integrator.Sales Engineers are a critical sales team member in many companies and industries around the world.They are more than just technical experts in their respective industries.