Senior Demand Planner

DiaSorin; Northbrook (IL); On-site; USD 98,000 - 119,000; Full time

Job summary

Diasorin, a global diagnostic leader based in the United States, seeks a Senior Demand Planner to lead demand planning for assigned product portfolios across markets. You will develop accurate forecasts, partner with Sales, Marketing, Finance, Operations, and Supply Chain to optimize inventory and service levels.

You will drive forecast accuracy, manage planning processes, and participate in S&OP to identify risks and opportunities while leading continuous improvement initiatives.

Qualifications

• Bachelor's degree or higher in a related field plus relevant experience in demand planning and S&OP
• CPIM/CSCP/CPF certifications preferred
• Strong knowledge of GMP and regulated environments

Responsibilities

• Lead the monthly demand planning and forecast review process for assigned product portfolios
• Develop and maintain statistically-driven and market-driven forecasts using historical data and market trends
• Facilitate cross-functional collaboration to achieve forecast consensus across Sales, Marketing, Finance, Operations and Supply Chain
• Serve as the demand planning representative within the S&OP process, providing insights on trends, risks, opportunities and inventory implications
• Analyze forecast accuracy, bias, and inventory performance; implement action plans to improve planning effectiveness
• Collaborate with commercial teams to evaluate launches, lifecycle changes, tenders, and market events
• Monitor KPIs including forecast accuracy, bias, inventory levels, service levels, backorders, and obsolescence
• Identify supply-demand imbalances and communicate risks and mitigation recommendations to leadership
• Participate in cross-functional projects and annual budgeting and strategic planning

Skills

Demand forecasting

S&OP

Forecasting analytics

Cross-functional collaboration

Education

Bachelor's degree in Supply Chain Management or related field

CPIM

CSCP

CPF

Tools

Excel

Power BI

SAP

Job description

Senior Demand Planner

Obsessed by Science. Entrepreneurial by Nature. United by Purpose.

Diasorin is a global leader in immunodiagnostic and molecular diagnostic solutions, advancing science to improve patient outcomes worldwide. For more than 50 years, we have combined scientific rigor with an entrepreneurial mindset, operating with a strong commitment to innovation, accountability, and results to deliver trusted diagnostic solutions.

As the Diagnostics Specialist, Diasorin continuously invests in research, technology, and people. Guided by our values of operational excellence, customer focus, and teamwork, we empower teams to think boldly, act decisively, and transform ideas into meaningful impact across one of the industry's broadest specialty diagnostic portfolios.

When you join Diasorin, you are not just filling a role. You are helping build what comes next.

Why Join Diasorin

• Build What Matters: Take ownership, challenge the status quo, and contribute directly to solutions that improve patient care worldwide.
• Innovate with Agility at a Global Scale: Work in an entrepreneurial environment that enables speed, collaboration, and global impact.
• Grow in a People-Centered Culture: Thrive in a culture that values accountability, inclusion, and continuous development.

JOB SUMMARY

The Senior Demand Planner is responsible for leading the demand planning process across assigned product portfolios and markets, developing and maintaining accurate demand forecasts that support commercial, manufacturing, inventory, and customer service objectives. This position serves as a key business partner to Sales, Marketing, Finance, Operations, and Supply Chain teams, driving forecast accuracy, inventory optimization, and informed business decision-making through data-driven analysis and participation in the Sales & Operations Planning (S&OP) process. The Senior Demand Planner identifies risks and opportunities, recommends mitigation strategies, and leads continuous improvement initiatives to enhance planning processes and forecast performance.

Key Responsibilities and Duties

• Lead the monthly demand planning and forecast review process for assigned product portfolios.
• Develop, maintain, and continuously improve statistical and market-driven forecasts using historical data, commercial intelligence, market trends, and business assumptions.
• Facilitate collaboration between Sales, Marketing, Finance, Customer Service, Manufacturing, and Supply Chain teams to achieve forecast consensus.
• Serve as the demand planning representative within the S&OP process, providing insights on demand trends, risks, opportunities, and inventory implications.
• Analyze forecast accuracy, forecast bias, inventory performance, and demand variability; develop action plans to improve planning effectiveness.
• Partner with commercial teams to evaluate new product launches, product lifecycle changes, tenders, and market events impacting demand.
• Monitor key performance indicators (KPIs) including forecast accuracy, bias, inventory levels, service levels, backorders, and excess/obsolete inventory.
• Identify supply-demand imbalances and proactively communicate risks and mitigation recommendations to leadership.

Additional Responsibilities and Duties

• Participate in cross-functional projects supporting business growth, operational excellence, and integration initiatives.
• Support annual budgeting and strategic planning processes.
• Collaborate with divisional planning teams to ensure alignment of assumptions and planning methodologies.

QUALIFICATIONS

• Bachelor's degree in Supply Chain Management, Business, Engineering, Operations Management, Statistics, Economics, or related field.
• 5+ years Experience in demand planning, supply chain planning, forecasting, inventory management, S&OP, or related supply chain functions.
• Demonstrated experience managing complex product portfolios and forecasting processes in a regulated manufacturing environment.
• Experience within medical diagnostics, medical devices, biotechnology, life sciences, pharmaceutical, or healthcare industries.
• Experience working in global and matrixed organizations.
• APICS/ASCM Certified in Planning and Inventory Management (CPIM)
• ASCM Certified Supply Chain Professional (CSCP)
• IBF Certified Professional Forecaster (CPF)
• Advanced knowledge of demand planning, forecasting methodologies, inventory management, and S&OP processes.
• Strong statistical analysis and forecasting skills.
• Advanced proficiency in Microsoft Excel, Power BI, and forecasting/planning systems.
• Experience with ERP platforms such as SAP.
• Ability to analyze large data sets and translate insights into actionable business recommendations.
• Strong project management and process improvement skills.
• Excellent communication and presentation skills with the ability to influence stakeholders at all organizational levels.
• Strong business acumen and financial understanding.
• Proven ability to lead cross-functional initiatives and drive organizational alignment.
• Knowledge of Good Manufacturing Practices (GMP) and regulated business environments.
• Travel up to 20%

What We Offer

Receive a competitive salary and benefits package as you grow your career at Diasorin. Join our team and discover how your work can impact the lives of people all over the world. Individual pay is determined by skills, qualifications, experience, and location. Compensation details listed in this posting reflect the base salary only, and do not include bonus, equity or sales incentives, if applicable. The salary range for this position is $97,800 - $118,600 annually. The salary range for this role represents the numerous factors considered in the hiring decisions including, but not limited to, educations, skills, work experience, certifications, etc. Beyond base salary, Diasorin offers a competitive rewards package focused on your overall well-being. We are proud to offer a comprehensive plan of health benefits, retirement and financial wellbeing, time off programs, wellbeing support and perks. Benefits may vary by role, country, region, union status, and other employment status factors. You may also be eligible to participate in an annual incentive program. An incentive award, if any, depends on various factors, including, individual and organizational performance.

Diasorin is committed to building a workplace where people feel empowered to contribute ideas, take ownership, and grow their careers. We believe diverse perspectives strengthen innovation and help us deliver meaningful impact for patients and customers worldwide.

Diasorin is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by applicable law.

This posting and recruitment process are subject to applicable local laws and regulations in the country where the position is located. Additional employment disclosures, candidate rights, and employment conditions may apply based on local jurisdiction.

Individuals hired will be required to verify identity and eligibility to work and may be subject to a background check and drug screening where permitted by law. Diasorin is committed to providing reasonable accommodations for qualified individuals with disabilities during the application process. If assistance is required, please contact [e-mail].

Nearest Major Market: Chicago