Principal Demand Planning Analyst

The Allegro team is united by a clear purpose—advancing technologies that make the world safer, more efficient, and more sustainable. With over 30 years of experience in semiconductor innovation, we bring that purpose to life across every part of the business—from breakthrough product development and customer success to how we show up for each other and the communities we serve.

The Opportunity

We are seeking a highly motivated Demand Planner to join our Sales, Inventory, and Operations Planning (SIOP) team. This critical role will execute Allegro’s demand planning process for a specific Business Unit, providing a strong linkage between customer needs, revenue forecasts, and Business Unit decision-making. The Demand Planner will ensure a high level of accuracy in the demand signal to operations, fully considering risks and escalations within the full SIOP process. This role involves close collaboration with Sales, Marketing, and Product Management across multiple regions to provide consistent inputs to the Demand Planning process, working with the Supply Planning team on constraints and supply options, driving statistical analysis and demand sensing, and improving forecast accuracy. You will also play a key role in driving the Demand Review process in partnership with the Demand Planning Leader.

What You'll Do

• Develop and maintain a consensus demand plan for the 0-48 month horizon by collaborating with cross-functional teams including Sales, Marketing, and Customer Service.
• Create comprehensive unit-level forecasts based on Business Unit segmentation, Product Management guidance, market conditions, and product lifecycle events (new launches, phase-in/out).
• Manage statistical forecasts for assigned Business Units at appropriate levels of customer/product aggregation.
• Manage the Demand Review process within Allegro’s monthly SiOP cadence, ensuring cross-functional alignment with the Business unit and Sales for assigned products
• Conduct in-depth data analysis to run various statistics and analyses, improving future predictability of demand.
• Ensure high levels of performance against Key Performance Indicators (KPIs) such as Forecast Accuracy and Bias.
• Perform what-if analysis to create alternate scenarios, ensuring demand signals align with the financial plan.
• Document major risks and assumptions in the demand plan, including coordination of new products, projects, and promotions.
• Provide regular guidance and inputs to the Supply Planning process to improve execution and facilitate product lifecycle visibility.
• Analyze forecast errors, identify root causes, and develop actions to continuously improve unit-level forecast accuracy.
• Generate volume and value ($) demand forecasts at multiple levels of aggregation based on statistical analysis.
• Perform forecast analytics using historical data, current backlog, and new product launches to optimize demand signals.
• Adjust demand plans for Last Time Buy (LTB), End of Life (EOL), and Phase-In/Phase-Out (PIPO) conditions to minimize inventory risk.
• Report on and drive actions to improve monthly forecast accuracy and forecast bias metrics.

Who You Are

• Minimum BA/BS degree in Supply Chain Management or a related field of study.
• 3-5 years of progressive experience in Demand Planning, operations planning, or a Sales & Operations Planning related functional area.
• Experience with Statistical forecasting methodology and parameters is required.
• Experience with a Demand Planning tool (e.g., Kinaxis RapidResponse, SAP APO module, Forecast Pro).
• Experience with ERP systems (e.g., Oracle, SAP).
• Proficient in Microsoft applications (e.g., Excel, PowerPoint).
• Strong data analytical skills and experience with business intelligence tools like Tableau, Power BI, etc.
• Excellent interpersonal skills with strong verbal and written communication skills.
• Strong organizational skills and the ability to efficiently multi-task, prioritize, and delegate.
• Ability to collaborate effectively with both internal and external customers.

Why Allegro?

Join Allegro and become part of a team where your contributions truly matter.

We foster a culture of Real Innovation, empowering you to push boundaries, develop cutting-edge solutions, and drive continuous improvement.
Your work will create a Real Impact by solving complex real-world challenges that fuel our success and shape the future of technology.
You’ll experience Real Connection, collaborating with talented colleagues around the globe in an environment built on trust, respect, and a shared purpose.
Join us—and help build what’s next.