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Enterprise Sales Engineer (Spain)

Sierra - Madrid, Spain - In-office - posted 2026-09-22

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Sierra is a leading platform for customer-facing AI agents, serving major brands including The GAP, Rocket Mortgage, SoFi, Sutter Health, and SoftBank. The company is headquartered in San Francisco with growing offices across North America, Europe, and Asia. Founded by Bret Taylor (former co-CEO of Salesforce, CTO of Facebook, Google Maps co-creator) and Clay Bavor (18-year Google veteran who led Google Labs and AR/VR initiatives), Sierra is transforming how enterprises serve customers through AI-powered solutions. In this Enterprise Sales Engineer role based in Madrid, you will serve as a GTM technical expert, designing and demonstrating Sierra's Agent product to solve customer needs and answer technical questions about solutions. You will work cross-functionally with Sales, Product, and Agent Engineering teams to drive GTM strategy and continuously improve Agents through customer-driven product development. As a technical leader in early customer conversations, you will understand and anticipate customer needs while supporting the sales process with enterprise clients, connecting their specific business problems to Sierra's solutions for both technical and non-technical audiences. Key responsibilities include building and presenting demos, leading relationship-building with potential customers including executives and technical leaders, and supporting the full enterprise sales cycle. You will be expected to translate customer requirements and technical concepts into actionable insights for product and engineering teams. REQUIREMENTS: - 5-7+ years of experience in Sales Engineering, Solutions Engineering, or customer-facing technical sales - Exceptional verbal and written communication abilities - Professional fluency in both Spanish and English (required for Madrid role) - Demonstrated experience in demo building, presenting, and GTM customer engagement - Proven relationship-building experience with potential customers, executives, and technical leaders - Experience leading sales processes with Enterprise customers - Ability to connect prospect business problems to technical solutions for diverse audiences - Bachelor's Degree or above (bonus if in Computer Science or related field, or equivalent professional experience) BONUS QUALIFICATIONS: - AI-related experience or experience in similarly modern, highly technical industries - Experience translating code, technical logic, and user requirements to product and engineering requirements

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