Demand Manager

Baymak / BDR Thermea Group; Tuzla; On-site; TRY 520,000 - 780,000; Full time

Job summary

Baymak, part of the BDR Thermea Group, is looking for a Demand Manager to join our Tuzla team. The role focuses on owning the rolling 0–18 month demand plan using IBP as the single source of truth, coordinating with Sales, Marketing and Finance to align inputs with the forecast.

The ideal candidate has a bachelor’s in a related field, 10+ years in demand planning or S&OP, and hands-on SAP S/4HANA/IBP experience, plus strong Excel skills and fluent English to interact with global stakeholders.

Qualifications

• Bachelor’s degree in Supply Chain, Business, Economics, Engineering or equivalent.
• 10+ years in Demand Planning, S&OP, or Commercial Planning in multi-channel environments.
• Experience in a multinational company is preferred.
• Knowledge of HVAC/building installation market is a plus.

Responsibilities

• Own and maintain the rolling market demand plan across the 0–18 month horizon using IBP as truth.
• Lead monthly demand review with Sales, Marketing and Finance and achieve one plan.
• Enrich the baseline with market intelligence including promotions and campaigns.
• Monitor forecast accuracy and bias; propose corrective actions with Sales.
• Incorporate product lifecycle events into the demand plan per roadmap.
• Represent market in Group S&OP and IBP processes with clear communications.
• Translate supply constraints into clear messages for Sales and prioritise during shortages.

Skills

Forecasting

S&OP

Demand Planning

Stakeholder Management

Excel

Analytical Skills

Communication

Education

Bachelor's degree in Supply Chain, Business, Economics, Engineering

Tools

SAP S/4HANA

SAP IBP

Job description

With over 50 years of experience in the HVAC industry, Baymak operates with two production facilities on a 60,000 m² area in Tuzla, Istanbul.

As one of Turkey’s leading manufacturers, Baymak holds a strong position nationwide with approximately 500 dealers and more than 2,100 sales points. Since 2013, Baymak has been a 100% subsidiary of BDR Thermea Group, a Netherlands-based global leader and one of Europe’s top three HVAC companies.

Together with BDR Thermea, we combine our global experience with our regional strength in line with the group’s core values:

One Team | Customer Focus | Sustainable Future

We are looking for a Demand Manager to join our growing team—someone with strong analytical and communication skills, a strategic mindset, and a collaborative approach to support our business growth.

Qualifications

Education & Experience

• Bachelor's degree in Supply Chain, Business, Economics, Engineering, or an equivalent level demonstrated through experience.
• Minimum 10 years of experience in Demand Planning, S&OP, or Commercial Planning within a multi-channel manufacturing or distribution environment.
• Experience in a multinational company environment is preferred.
• Knowledge of the heating, HVAC, or building installation market, including wholesale and installer channels, is a plus.

Technical Skills

• Hands-on experience with SAP S/4HANA and SAP IBP.
• Proven ownership of a forecast, including statistical baseline, forecast accuracy and bias measurement, and a structured improvement approach.
• Strong analytical and problem-solving skills, with advanced Excel proficiency.
• Fluent in English, both written and spoken.

Stakeholder Management & Communication

• Able to challenge the Sales organisation constructively and hold a position with senior commercial stakeholders.
• Comfortable working in a matrix structure: accountable to the market while working to standards set by Group Supply Chain.
• Strong communication and stakeholder management skills.

Key Responsibilities

• Own and maintain the rolling market demand plan across the full 0–18 month planning horizon, using IBP as the single source of truth for demand planning.
• Lead the monthly demand review with Sales, Marketing, and Finance, challenging inputs, resolving differences between the sales view, budget, and statistical baseline, and securing one agreed demand plan.
• Enrich the statistical baseline with market intelligence, including promotions, campaigns, tenders, project opportunities, subsidy schemes, regulatory changes, channel and competitor activities, and known customer wins and losses.
• Own and monitor forecast accuracy and forecast bias for the market; analyse major deviations, agree corrective actions with Sales, and report performance within the market and Group planning cycle.
• Incorporate product lifecycle events into the demand plan, including new product launches, phase-in/phase-out, cannibalisation, and end-of-life activities, in line with the product roadmap.
• Represent the market in the Group S&OP and IBP processes, ensuring timely submissions, clearly communicating assumptions and risks, and escalating misalignments when required.
• Translate supply constraints and availability risks into clear messages for Sales; support prioritisation decisions during supply shortages and ensure customer commitments reflect actual supply capabilities.