Proposal Engineer BESS

Company Overview
We have partnered with one of the top three global leaders in Battery Energy Storage Systems (BESS). This is a multinational industrial group with a market capitalization of over €20 billion, delivering utility-scale energy storage and grid integration projects worldwide. With a proven track record across Europe, North America, and Asia, they design and deliver turnkey EPC solutions that drive the energy transition.

The Role
As a Proposal Engineer, you’ll sit at the intersection of technology, commercial strategy, and client engagement. You will:

• Shape technical and commercial proposals for grid-scale BESS projects.
• Size and configure storage systems, run cost estimates, and prepare tender responses.
• Collaborate with procurement and engineering teams to select suppliers and partners.
• Present solutions to clients, highlighting the technical fit and business value.
• Support sales and legal in defining scope, warranties, and contractual terms.
• Travel for meetings, site visits, and project reviews across international markets.

What We’re Looking For:

• 3+ years in proposal, sales, or application engineering for utility-scale BESS/ Renewable EPC projects.
• Hands-on experience with BESS, power electronics, or grid integration.
• Strong background in tendering, RFQs, and cost estimation.
• Comfortable working in a multinational, client-facing environment.
• Engineering degree required; MBA is a plus.
• Fluent German and English required.

Why Apply?

• Be part of a global market leader shaping the energy transition.
• Work on high-profile BESS projects with utilities, developers, and grid operators.
• Collaborate in an international team with opportunities for travel and growth.
• Competitive package and long-term career prospects in a fast-growing sector.