Technical Sales Engineer - Energy Storage Systems (m/w/d)

Full-time

Delta, founded in 1971, and listed on the Taiwan Stock Exchange, is a global leader in switching power supplies and thermal management products with a thriving portfolio of IoT-based smart energy‑saving systems and solutions in the fields of industrial automation, building automation, telecom power, data center infrastructure, EV charging, renewable energy, energy storage and display, to nurture the development of smart manufacturing and sustainable cities. As a world‑class corporate citizen guided by its mission statement, “To provide innovative, clean and energy‑efficient solutions for a better tomorrow,” Delta leverages its core competence in high‑efficiency power electronics and its ESG‑embedded business model to address key environmental issues, such as climate change. Delta serves customers through its sales offices, R&D centers and manufacturing facilities spread over close to 200 locations across 5 continents.

Throughout its history, Delta has received various global awards and recognition for its business achievements, innovative technologies and dedication to ESG. Since 2011, Delta has been listed on the Dow Jones Best‑in‑Class World Index (formerly the DJSI World Index of Dow Jones Sustainability™ Indices) for 14 consecutive years. Delta has also won CDP with double A List for 4 times for its substantial contribution to climate change and water security issues and has been named Supplier Engagement Leader for its continuous development of a sustainable value chain for 7 consecutive years.

We are searching for a Technical Sales Engineer to grow our Energy Infrastructure business in Europe, focused on Energy Storage System applications across commercial, industrial, and utility‑scale applications.

Key Responsibilities

Working closely with sales team to support the sales process by providing technical expertise and product knowledge to specific clients in the account or industry.
Understanding the client's requirements and pain points to propose products or solutions that address client needs.
Collaborating with sellers to develop technical proposals, respond to RFPs, and negotiate terms and conditions from a technical perspective through hands‑on, customized, experiential selling.
Providing deep products and solutions knowledge with industry know‑how, working with marketing team to provide technical simulation demonstrating Delta’s capabilities in specific business scenarios.
Supporting customer relationship management and driving deal closure by demonstrating product value and feasibility and building deep technical value as trusted advisor to clients.
Bridging technical requirements from customers with solution management and development team for short‑term fix or long‑term enhancement of the solution.
Supporting site survey of customer projects along with technical team, partners, and customers.
Monitoring local grid codes, legislation, standards, market trends and identifying new market opportunities.

Qualifications

Bachelor’s or master’s degree in electrical engineering, power system engineering, or equivalent.
3‑5 years of experience with Energy Storage Systems and excellent technical knowledge of Energy Storage Systems and system integration.
Fluent in German and English, both spoken and written.
Installation experience / certificate to work in 1000VAC and 1500VDC is an advantage.
Excellent problem solving, critical thinking and troubleshooting skills.
Ability to specify customer requirements to the business development manager, solution management, and development team.
Capable of self‑management the daily tasks with the ability to work independently as well as part of an international team.
Customer focus, good communication and interpersonal skills.
Willing to travel occasionally and holding a driving license.

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Delta Electronics