Senior Buyer

Full-time · Amsterdam

At MR MARVIS, we believe that great style starts with flawless execution behind the scenes, and that's where you come in.

As our Senior Buyer & Planner, you'll play a key role in turning creativity and commercial ambition into reality. You'll be responsible for translation our collection plans and sales forecasts into accurate production orders, making sure every pair of shorts, trousers and tops arrives at our distributions center in The Netherlands right on time.

In this role, you'll manage the full buying cycle: placing and following up on production orders, monitoring supplier performance, managing timelines, and ensuring the right quantities are delivered in line with our planning and growth targets. You'll also take the lead in negotiating with suppliers and monitoring cost price, ensuring both our quality standards and commercial goals.

You will work closely with our production partners and internals teams to guarantee smooth operations - balancing inventory, demand and capacity across seasons.

Your sharp analytical skills, eye for details and strong communication make you the crucial link between our commercial goals and our operational execution. You'll continuously look for ways to improve processes, strengthen supplier relationships, and enhance efficiency - helping us scale internationally while maintaining the quality, precision, and energy that define our brand.

This isn't just about managing number or schedules, it's about ensuring everything runs seamlessly, safeguarding our margins, and supporting our growth plans.

MR MARVIS is an Amsterdam-based men's clothing brand launched in 2016, dedicated to creating the perfect shorts, trousers and tops. We are the largest Dutch clothing brand with a B Corp Certification; a label which is only awarded to companies that demonstrably make a positive impact and contribute to a better world. You've probably spotted us in vibrant cities such as Amsterdam, Antwerp, Munich and Brussels and we have a strong online presence across Europe.

A diversity of backgrounds, cultures, and perspectives is essential in helping us maintain our momentum. So no matter where you're from, who you love, or what you believe in, we welcome you to be your true self at MR MARVIS. To make our employees feel marvellous, we offer pension schemes and disability insurance and give them the opportunity to invest in personal growth and development.

As Senior Buyer & Planner, you will own the production planning process and play a pivotal role in shaping our operational scalability. You will be the link between sales forecasts, material procurement, and supplier capacity - ensuring on-time, cost-effective, and sustainable production.

Your first priorities will be to establish a robust S&OP process and improve our ERP (Odoo) for production planning and inventory. Beyond planning, you will negotiate with suppliers and subcontractors, manage material flows, and provide insights that enable strategic decision-making.

You'll work closely with the Supply Chain Manager, Sourcing & Production team, our operations team in Portugal and our suppliers and subcontractors. You will report directly to our CPO.

• Take full ownership on the entire production planning process - from forecasting to delivery - ensuring continuity, efficiency, and on-time execution across all product categories.
• Translate sales forecasts into detailed, long-term production schedules, balancing demand, supplier capacity, and material availability while proactively accounting for all lead times.
• Manage and optimise the full buying process, from raw material procurement and annual price negotiations to placing and tracking production orders, aligning delivery timelines, and maintaining strong partnerships with suppliers and manufacturers.
• Ensure date accuracy and visibility by maintaining ERP (Odoo) for production planning, stock control, and reporting.
• Contribute to building and executing a a company-wide S&OP process, aligning production, supply chain and sales to support scalable international growth.
• Develop and track KPIs to measure supplier performance, forecast accuracy, and production efficiency, driving continuous improvements across operations.
• Build and report on budget performance by comparing actual results with forecasts, providing actionable insights and recommendations to Management and Finance for informed decision-making.
• Collaborate closely with our production partners, occasionally traveling to Portugal and other countries to maintain strong relationships and ensure alignment on capacity, quality and timelines.

• Bachelor's degree in Supply Chain Management, Production Planning, Textile/Fashion Management, or a related field.
• Master's degree in Operations or Business Administration is a plus
• Experience: 7+ years in production planning, supply chain, or operations — with proven experience in S&OP leadership and supplier management, and commercial negotiations that deliver both value and partnership.
• Systems expertise: Strong Excel (advanced formulas, Solver, VBA a plus), ERP knowledge (Odoo, SAP, or MRP systems).
• Analytics: Skilled in using data and BI tools (Power BI, SQL, SAS, or similar) to build dashboards, run scenario analyses, and support decision-making.
• Proven communication and negotiation skills; Fluency in English required, Portuguese or Spanish a plus.
• Soft skills: Excellent stakeholder management, problem-solving mindset, and ability to work effectively under pressure.
• Industry knowledge: Experience in the Fashion industry experience is a strong advantage; broader supply chain expertise from FMCG/retail also valuable.
• Mindset: Proactive, solution-driven, highly organised, and relationship-oriented – always looking ahead and acting with ownership.

• You bring international experience, having worked across regions and with global stakeholders.
• You thrive at the intersection of planning and analytics, balancing data-driven insights with operational execution.
• You're a negotiator and bridge-builder, able to strengthen supplier partnerships while protecting company interests.
• You combine strategic vision with hands-on skills, ensuring both scalability and day-to-day excellence.
• You care about sustainable fashion and are motivated to help MR MARVIS grow responsibly.

Like every great employer we offer you a competitive salary and the following benefits;

• 25 vacation days;
• A pension scheme, because later is also important;
• Mobility allowance in case you live outside of Amsterdam;
• All equipment needed to set you up for success;
• Daily free & fresh lunch served at the office;
• 20% discount on the entire MR MARVIS collection;
• Monthly "Wellbeing budget for Swapfiets, Treatwell, or several gyms. Want to invest your budget? You can, via Peaks
• Free unlimited access to OpenUp (coaching/psychologists platform) as well as Meditation Moments (meditation App);
• Personal development opportunities to help you grow and excel in your role;
• Hybrid working with an inspiring office in the heart of Amsterdam.
• Working in a fun, international team at a fast growing scale-up;
• Amazing team events and weekly Friday drinks with your colleagues.

MR MARVIS is an equal opportunity employer. We are committed to nurturing an inclusive environment for all current and potential employees. A diversity of backgrounds, cultures, and perspectives is essential in helping us maintain our momentum. So no matter where you're from, who you love, or what you believe in, we welcome you to be your true self at MR MARVIS.

Ready to help us scale our production and shape the future of slow fashion? Join MR MARVIS as our next Senior Buyer & Planner