Analyse operational data from BESS components — battery modules, racks, inverters, and energy management systems — to identify patterns, anomalies, and failure signatures
Develop and refine KPIs and metrics that give fleet operators and asset managers actionable visibility into system performance and health
Work closely with product and engineering teams to translate your analytical findings into features that ship to customers
Implement your analyses as well-tested, production-ready code that integrates with our platform
Forge a strong collaboration between our data engineers and energy domain experts to validate analytical approaches against real-world operational circumstances
Participate in customer-facing discussions where domain credibility matters — helping scope integrations and understand fleet-specific operational contexts

2–5 years of professional experience, with hands-on exposure to energy hardware systems—ideally BESS—in an operational, engineering, or analytical role
Strong Python and SQL skills; able to turn exploratory insights into robust, production-ready, version-controlled software
Ability to derive meaningful KPIs from raw datasets, grounded in real-world operational understanding of energy systems and time-series data (e.g.SCADA, BEMS, inverter logs)
Solid software engineering fundamentals (testing, code reviews, maintainability) and experience collaborating effectively across cross-functional teams in fast-paced environments
Excellent English verbal and written communication skills
It’s a plus if you have experience with cloud data tools (AWS, Spark, Databricks) or have worked directly with battery storage projects at system level.

Flexible Working: We trust you to get the job done. Deliver your best work with options to work remotely, onsite or hybrid. Everyone comes together at our Munich HQ twice a year.
Equity Participation: Every employee is offered a stock-option plan so you can share in TWAICE’s success.
Perks: Borrow our Company EVs for private use, power-up with subsidized fitness memberships (Wellpass), enjoy active transport with JobRad, invest in your future with 100% matched company pension scheme.

Energy Systems Data Engineer

Key skills