Senior Presales Engineer

Key Responsibilities

• Support NTT overseas engagements by leading early-stage technical discussions, shaping infrastructure requirements, and delivering optimized, compliant, and scalable data center solutions.
• Act as the technical presales lead for data center infrastructure opportunities, supporting key accounts such as NTT Group.
• Engage with customers to understand data center technical requirements, including availability, scalability, efficiency, reliability, and regulatory constraints.
• Develop end-to-end data center infrastructure solutions, covering power architecture (UPS, rectifier systems, ESS), cooling strategies, and facility integration.
• Lead the preparation of technical responses for RFI/RFP/RFQ, including: System architecture and design concepts, Single Line Diagrams (SLD), Layout drawings, Technical specifications and assumptions, Bill of Quantities (BoQ).
• Collaborate closely with headquarters R&D, product engineering, and regional technical teams to ensure solution feasibility and alignment with Delta’s portfolio.
• Support sales and corporate strategy teams during customer technical workshops, design reviews, and proposal presentations.
• Provide technical clarification and support during bid evaluation and project handover phases.
• Contribute technical insights on industry trends, hyperscale and AI-ready data center requirements, and emerging power and cooling technologies.

Minimum Qualifications

• Bachelor’s degree in Electrical Engineering, Electronics Engineering, Power Engineering, or related fields.
• 2–5 years of experience in technical presales, solution engineering, or infrastructure design related to data center facilities.
• Hands-on understanding of data center power systems, such as UPS, rectifiers, power distribution, and redundancy concepts.
• Familiarity with data center cooling concepts and infrastructure integration.
• Experience supporting RFI/RFP processes, including technical documentation and solution proposals.
• Ability to read and develop SLDs, layout drawings, and technical specifications.
• Strong communication skills with the ability to explain technical concepts to customers and internal stakeholders.
• Willingness to support regional and overseas projects.

Preferred Qualifications

• Experience supporting hyperscale or colocation data center projects.
• Exposure to AI-ready data center designs, high-density power and cooling requirements.
• Knowledge of Energy Storage Systems (ESS) and grid-connected power solutions.
• Familiarity with codes, standards, and regulatory requirements relevant to data center infrastructure.
• Experience working with global customers or multinational teams.
• Prior involvement in NTT, telecom operators, cloud service providers, or large enterprise data center projects.
• Demonstrated ability to grow into senior solution or technical leadership roles.