Battery Storage Solutions Engineer - Tender and Sourcing

Goldbeck Solar; Jelenia Góra; Hybrid; PLN 150,000 - 230,000; Full time

Benefits offered by this job

Annual salary review

Flexible vacation days

Hybrid work option

Meal/food subsidies

Job summary

Goldbeck Solar is seeking a Battery Storage Sourcing Engineer to review and technically evaluate large-scale BESS solutions from global suppliers. You will manage tender processes, compare offers, and help make cost-effective buying decisions.

You will collaborate with internal engineering teams to optimize designs, develop Excel-based tools, and align with manufacturers on technical details before contracts are signed. Fluent English and German are required.

Qualifications

• University degree in a technical field (Electrical/Industrial)
• Several years in engineering or technical sourcing for large-scale battery storage or HV projects
• Solid understanding of battery tech, grid connections and single-line diagrams
• Strong analytical skills and ability to turn data into Excel tools
• Proactive, problem-solving mindset with ability to build new frameworks from scratch
• Confident communicator for technical discussions with global suppliers
• Fluency in English and German required

Responsibilities

• Review and technically evaluate large-scale BESS solutions from top global suppliers.
• Manage tender processes, compare offers, and help make cost-conscious buying decisions.
• Analyze client technical requests and match with best, most cost-effective battery setups.
• Collaborate with internal engineering teams to optimize designs and reduce unnecessary costs.
• Create and maintain internal tools and templates to speed up pre-sales (e.g., degradation models).
• Align with battery manufacturers on technical details, boundaries and protocols before contracts.
• Support procurement in writing technical sections of contracts (performance, efficiency, life-cycle).
• Identify risks in the supply chain and assist in evaluating supplier performance.

Skills

Technical sourcing

Analytical skills

English and German

Battery tech knowledge

Communication with suppliers

Excel modelling

Education

Engineering degree (Electrical/Industrial)

Job description

Goldbeck Solar is seeking a Battery Storage Sourcing Engineer to review and technically evaluate large-scale BESS solutions from global suppliers. You will manage tender processes, compare offers, and help make cost-effective buying decisions.

You will collaborate with internal engineering teams to optimize designs, develop Excel-based tools, and align with manufacturers on technical details before contracts are signed. Fluent English and German are required.