Senior Business Development Manager

Short Facts

Join us in driving the energy transition at Entrix. As a Senior Business Development Manager - Poland, you’ll support the full customer lifecycle - from lead qualification and proposal preparation to contract signing and go-live.
This role is ideal for someone who’s eager to grow in a dynamic, purpose-driven environment.

• Location: Warsaw, Poland

• Employment Type: Full-Time, indefinite term

• Salary-Range: 23 300 - 32 250 PLN monthly salary, depending on seniority and expertise;

• Commercial Bonus : 75 000 PLN depending on accomplished goals

• Working Mode: Office first set-up with expectations to travel (client meetings in Europe and strategic alignments with our headquarters in Munich)

• Language Requirement: Fluent Polish, English C1

Your Responsibilities

• Own full client funnel for large scale clients across the entire journey i.e. from first conversation to contract signature for large developers, utilities and infrastructure funds, whether that means opening a new relationship yourself or picking up an already fairly advanced client conversation through to a signed contract.
• Manage tender participation end-to-end where relevant: from the decision to bid, through preparing commercial, technical and legal input, to submission and follow-up negotiation, including internal stakeholder management and guiding other team members.
• Lead multi-stakeholder negotiations directly with department heads and senior decision-makers on the client side, engaging confidently on commercial, technical, and legal terms — and close the contract yourself, operating within a clearly defined commercial and legal mandate agreed with leadership.
• Proactively identify, approach and develop new business opportunities in the Polish BESS market, prioritize client opportunities together with other team members and drive a scalable sales process for the Polish market.
• Understand each client's needs, decision-making process and internal stakeholders in depth, and shape the Entrix commercial proposition (offer structure, contract type, value stack) accordingly.
• Act as the senior client's internal manager within Entrix across the full relationship, building trust through narrative and evidence from the first conversation onward, to secure buy-in for complex, sometimes unfavourable, decisions.
• Maintain full pipeline transparency in HubSpot across the entire funnel for your accounts.
• Drive a structured, high-quality handover from Sales to Operations for every signed contract.

Your Profile

Mandatory Requirements

• 7+ years of experience in B2B sales, enterprise sales, business development, key account management, project development, energy, renewables, infrastructure, consulting, or another commercially-oriented role with high-value contracts.
• Proven track record of owning the full sales cycle end-to-end — from identifying or developing an opportunity through to a signed contract — not just one segment of it.
• Experience building relationships with, and negotiating directly with, senior stakeholders or department heads on the client side, including on technical or legally complex terms.
• Comfort working with commercial contract structures (e.g. optimization/tolling agreements, offtake, PPAs, or comparable long-term B2B contracts) and reviewing legal/commercial redlines.
• Experience in the energy sector, especially renewable energy, BESS, PV, wind, PPAs, energy trading, flexibility, or route-to-market services.
• Existing understanding of the Polish energy market (Day-Ahead, Intraday, balancing market, capacity market, ancillary services, or DSO/TSO-related processes), or the proven ability to build deep market expertise quickly.
• Ability to manage several parallel accounts at different stages of maturity at once, with strong ownership of follow-ups, deadlines and CRM documentation.
• Native or fluent Polish and full professional fluency (C1+) in English, written and spoken

• Demonstrated experience personally leading and closing complex commercial contract negotiations, including having driven a deal from open issues to signature.
• Experience with CRM-based pipeline management (HubSpot or comparable) and contributing to process improvements used by a wider team.
• Prior experience in a scale-up, fast-growing company, or international environment.

• You prefer roles with limited customer and cross-team interactions
• You are not comfortable working in a fast-paced, evolving regulatory and technical landscape
• You are not familiar with the Polish energy landscape and not interested in actively build