Location

Düsseldorf, Berlin or Hamburg

Mission

The earth needs to get back to zero. At Zelestra, we make your decarbonization a reality! By working hard and working smart. We do all we can to meet our clients' goals and get results that matter.

Zelestra is a purpose driven global multi-technology company, we provide value across the entire chain to enhance competitiveness and mitigate execution risk in large-scale renewable energy projects with a robust project portfolio and vertical integration to deliver renewable solutions efficiently.

Our beliefs are the cornerstone of our culture and guide our actions every day: We work tirelessly to do things right, we take ownership of everything we do, we push ourselves and our clients further, we get results that matter, we work together to achieve great.

We are looking for a Senior BESS Manager to lead and grow Zelestra's energy storage business in Germany. This is a high-impact, ownership driven role at the intersection of technology, regulation, and commercial deal.making. You will be the go-to-expert for all topics related to BESS in Germany - from evaluating project opportunities and navigating grid contraints to driving revenune and supporting acquisitions.

The ideal candidate is deeply knowledgeable, but above all entrepreneurial: someone who moves fast, takes decisions, and thrives in a commercially driven environment. You are a dealmaker and project owner, not a consultant.

Responsibilities

Business Development & Commercial

Build a robust pipeline of stand-alone and hybrid BESS projects in Germany, targeting several hundred MW.
Evaluate new project opportunities on a stand-alone or co-located (solar + BESS) basis, providing the technical and regulatory input needed to assess project viability.
Guide the Commercial team in developing and stress-testing revenue models - including merchant, capacity market, and ancillary service strategies - to ensure business cases reflect realistic technical and market constraints.
Lead commercial negotiations with grid operators and development partners.
Monitor and analyse market developments, pricing signals, and regulatory changes to identify business opportunities.

Project Management

Drive projects from development through to financial close, maintaining strict milestones and accountability.
Oversee the permitting process (Genehmigungsverfahren) for BESS projects, coordinating with internal teams and external advisors to ensure timely regulatory approvals.
Coordinate cross-functionally with technical, legal, finance, and grid teams.
Work with the COO and Program Management teams on project design optimisation and cost-effective execution plans to ensure a smooth transition into construction.
In collaboration with Procurement, support supply chain planning to ensure reliable and competitive sourcing.
Manage external advisors, consultants, and contractors.
Ensure projects are delivered on time, on budget, and within risk tolerance.

Technical & Regulatory

Serve as internal expert on BESS technology selection, performance parameters, and grid integration requirements.
Navigate the German regulatory landscape, including grid connection processes (Netzanschluss), BNetzA regulations, and ancillary service frameworks.
Translate technical and regulatory inputs into sound commercial assumptions.

Investments & M&A

Support or lead acquisition processes for BESS assets in Germany, including target screening and due diligence coordination.
Build and present investment cases to internal stakeholders, covering project timelines, key assumptions, and risk factors.

Job Requirements

Proven track record and professional experience in the energy storage or broader renewable energy sector.
Deep knowledge of BESS technology (chemistry, performance, degradation, BoS) and grid regulation in Germany.
Proven commercial track record: you have closed deals, built models, and driven revenue.
Strong project management skills with a demonstrated ability to own complex, multi-stakeholder processes end to end.
Experience with investment processes - acquisitions, due diligence, or project finance - in the energy sector.
A results-driven, ownership mindset: you treat this business as your own.

Ideally you have deep experience with ancillary services markets (FCR, aFRR, mFRR) in Germany.
Established relationships with German grid operators (DSOs/TSOs), regulators, or BESS OEMs is a plus.
Experience working in a developer or IPP environment.
Business Fluent in German and English.

What we offer

A high-impact role with real commercial ownership across Zelestra's renewable energy portfolio in Germany.
A lean, entrepreneurial team where your decisions matter and your impact is visible
A fast-growing platform with strong deal flow and an active development pipeline ready to be executed.

Competitive salary in the range of EUR 120,000 - 150,000 and performance-based incentive.

Zelestra celebrates the diversity of thought and experience that comes from a variety of backgrounds including, but not limited to, gender, age, ethnicity... Our mission is to contribute to a more just and equitable society.

JR 3183

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Zelestra Corporación, S.A.