Commercial Planner B2B

Luminus; Berchem; Hybride; EUR 42 000 - 56 000; Plein temps

Avantages offerts par ce poste

Meal vouchers

Group insurance

Hospitalization coverage

Public transport reimbursement

Cycling reimbursement

Home office setup

Discounts on energy and brands

Résumé du poste

Luminus seeks a Commercial Planner to support (Key) Account Managers by coordinating complex proposals, validating data, organizing customer events and ensuring flawless administrative follow-up within the Business Accounts team.

You will maintain accurate customer files in Salesforce, collaborate with offering, pricing and legal teams, and look for process improvements to drive efficiency across commercial workflows.

Qualifications

• Bachelor's degree in business administration, sales, marketing or related field.
• 2–3 years of experience in sales support, commercial administration or similar B2B role.
• Highly organized, accurate and able to manage multiple priorities and stakeholders.
• Clear written and spoken communication; comfortable in a customer-facing role.
• Familiar with Salesforce and MS Office tools.

Responsabilités

• Support (Key) Account Managers in preparing and structuring complex proposals.
• Prepare end-to-end validation files and ensure timely governance-compliant submission.
• Coordinate customer loyalty events from A to Z, including logistics and budgeting.
• Maintain accurate customer files and commercial data in Salesforce.
• Act as a central liaison between Account Managers and internal teams (offering, pricing, legal).
• Identify process improvements to increase efficiency in proposals, CRM, reporting.

Connaissances

Sales support

Commercial administration

Customer-facing communication

Salesforce familiarity

MS Office

Multitasking

French

Dutch

English (basic)

Formation

Bachelor's degree in business administration, sales, marketing

Outils

Salesforce

MS Office suite

Description du poste

Job Description

At Luminus, our ambition is to become the number one energy partner in customer focus while continuously improving internal efficiency. Within our B2B Business Accounts team, we support key customers with tailored energy solutions and a high-quality commercial experience.

As a Commercial Planner, you play a key role in enabling our (Key) Account Managers to focus on customer development and commercial growth. By coordinating complex commercial proposals, preparing validation files, organizing customer events and ensuring flawless administrative follow-up, you contribute directly to the quality, efficiency and professionalism of our Business Accounts organization.

What You’ll Do

• Supporting (Key) Account Managers in preparing and structuring complex commercial proposals by gathering, consolidating and validating technical and commercial information.
• Preparing end-to-end validation committee files, ensuring completeness, accuracy and timely submission in line with internal governance requirements.
• Coordinating customer loyalty events from A to Z, including logistics, vendor follow-up, invitations, registrations and budget monitoring.
• Maintaining accurate customer files and commercial data in Salesforce, while ensuring proper follow-up of actions, deadlines and contract-related documentation.
• Acting as a central point of coordination between Account Managers and internal stakeholders such as offering, pricing, legal and other support teams.
• Identifying process improvements and efficiency gains in proposal preparation, CRM management, reporting and commercial support workflows.

What You Bring

• You hold a bachelor’s degree in business administration, sales, marketing or a related field.
• You have at least 2 to 3 years of experience in sales support, commercial administration or a similar B2B role.
• You are highly organized, accurate and comfortable managing multiple priorities, deadlines and stakeholders at the same time.
• You communicate clearly and professionally, both verbally and in writing, and enjoy working in a customer-facing support role.
• You are familiar with Salesforce and MS Office tools such as Excel, PowerPoint, Word and Outlook.
• You are fluent in French and Dutch; a good knowledge of English is an asset.

Benefits Of Working At Luminus

The energy sector is one of the most rewarding industries in Belgium with a highly rewarding compensation and benefits package:

• Competitive compensation: Attractive salary with a performance-based bonus that can be optimized to your personal preferences, plus meal vouchers.
• Insurance & social benefits: Group insurance and hospitalization coverage for the entire family. Additional reimbursement for healthcare and pharmaceutical costs.
• Mobility: Full reimbursement for public transport, kilometer-based cycling reimbursement and flexible mobility choices.
• Internet & communication: Home internet covered, reimbursement for a personal mobile device with a phone subscription.
• Home Office: A fully-equipped home office, including an ergonomical ICT set-up.
• Exclusive discounts: 30% off gas and electricity after six months, discounts on energy-saving services (e.g., solar panels, heat pumps) and reduced prices on top brands, amusement parks, festivals and more.
• You make a direct impact on Luminus’ EBITDA and strategic growth.
• You join a collaborative, forward-thinking team at the heart of the energy transition.
• You work and connect with your colleagues at a Luminus office or from home. Need some flexibility? Your manager is open to discuss what works.

Luminus values e.v.e.r.y individual.

Are you looking for a workplace where you can truly be yourself, where you feel respected, supported regardless of your background, identity and unique story? Then you’ve come to the right place. Diversity equity and inclusion are not empty words for us — we grant that everyone can flourish and feel valued, so let’s build it together!

What does that mean in practice?

Do you have specific needs or require adjustments during the recruitment process or once you are hired? Let’s discuss about it and we’ll do our best to find a solution. We can also discuss if you want to work at 80% or 100%.

Together we make the difference