Hithium Energy Storage is seeking a Sr. BESS Application Engineer based in Vitoria, Spain. This role focuses on defining, designing, and supporting battery energy storage solutions. Candidates should have 5–10 years in engineering, preferably in utility-scale power systems, and be fluent in Spanish and English.

The engineer will work within the GKAO Application Engineering team, engaging with multiple stakeholders and leading technical proposals. Strong problem-solving skills and a detail-oriented approach are essential.