About the Role:We are seeking a dynamic Pre-Sales Engineer with deep technical expertise in Data Center infrastructure and Telecom -48V DC Power systems, including UPS, rectifiers, lithium-ion batteries, and precision cooling solutions. This role bridges the gap between sales and engineering, playing a critical part in shaping technical solutions, delivering proposals, and guiding customers throughout the pre-sales cycle.You will collaborate closely with internal sales, product teams, and key customers such as telcos, data center operators, and system integrators to develop and present tailored, high-efficiency solutions using Delta's market-leading technologies.Key Responsibilities:Solution Design & Consulting:Analyze customer requirements and design optimized data center and telecom power solutions, ensuring technical accuracy, compliance with standards, and business fit.Customer Engagement:Act as a trusted technical advisor, guiding customers through architecture decisions, equipment selection, deployment options, and best practices.Sales Enablement & Proposal Support:Support sales with technical proposals, SLDs, BoQs, TCO calculations, and tender responses, aligning solutions with customer expectations and Delta’s capabilities.Product Demonstration & Workshops:Deliver impactful technical presentations, live demos, and training to clients and partners to illustrate Delta’s value proposition.Market Intelligence & Solution Positioning:Monitor industry trends, standards (e.g., Uptime Tier, TIA-942, ETSI), and competitor offerings to sharpen Delta’s positioning in Vietnam’s booming data center and telecom sectors.Internal Coordination:Liaise with Delta’s R&D, product, and regional teams to customize solutions, collect feedback, and contribute to roadmap development.Post-Sales Handover & Technical Support:Provide pre-sales and early post-sales technical support to ensure smooth implementation and customer satisfaction