SIOP Manager

INFICON is seeking a strategic and analytically rigorous SIOP Manager to lead the ISS Division’s end-to-end Sales, Inventory & Operations Planning process. In this high-impact role, you will align commercial demand, supply capability, inventory strategy, and executive decision-making to improve forecast accuracy, optimize inventory and working capital, strengthen service performance, and drive operational excellence across a global high-tech manufacturing environment. Partnering closely with leaders across Sales, Product Management, Operations, Finance, Materials, and Supply Chain, you will build the visibility, discipline, and decision-making cadence needed to support faster, smarter planning across the business. This is an opportunity to make a visible impact within an innovation-led organization where integrated planning is a critical driver of growth, efficiency, and customer success. Key Responsibilities: Own the ISS Division’s end-to-end SIOP strategy and monthly planning cycle, including Demand Review, Supply Review, Inventory Review, Pre-SIOP, and Executive SIOP. Lead demand planning and statistical forecasting across product families, integrating commercial inputs from Sales and Product Management to deliver an accurate consensus forecast. Improve forecast performance through ongoing management of forecast accuracy, bias, demand variability, and planning assumptions. Translate demand plans into long-range supply, capacity, and constraint models, identifying risks, bottlenecks, and opportunities across a 12–18 month horizon. Partner with Operations, Materials, Procurement, and global sites to align supply capability, intercompany planning, and short-term S&OE priorities. Prepare and lead Executive SIOP reviews, providing clear recommendations on demand outlook, supply gaps, revenue risk, inventory trajectory, and key business decisions. Align operational plans with financial commitments, Annual Operating Plan (AOP) targets, and broader business objectives. Develop dashboards, planning tools, and KPI reporting that improve visibility, accountability, and decision-making across the SIOP process. Drive continuous improvement of planning processes, governance, and demand-sensing capabilities to strengthen agility and operational performance. Education Bachelor's degree in Supply Chain, Engineering, Business, Operations, or related field. Required Qualifications 8+ years of experience in demand planning, S&OP/SIOP, or supply chain planning within manufacturing Demonstrated ownership of the full SIOP cycle, including executive-level facilitation. Experience leading cross-functional planning and aligning demand, supply, and business priorities Solid understanding of forecasting, inventory, and supply planning processes, along with ERP/MRP systems Experience analyzing data and presenting insights using reporting or BI tools Strong analytical, communication, and stakeholder management skills Preferred Qualifications Experience with SAP, IBP, APO, or similar planning systems Experience presenting to senior leadership APICS, IBF, or similar certification Experience in semiconductor equipment, precision instruments, medical devices, analytical technology, aerospace/defense, or other complex manufacturing environments The expected salary range for this position is between $100,000 and $140,000 per year. The actual compensation will be determined based on experience, location, and other factors permitted by law. In addition, INFICON employees are eligible for a profit-sharing bonus with a target of 10% as well as 401K match up to 8% (vesting schedule). A relocation package may be available for qualified candidates. INFICON provides a dynamic work environment that promotes diversity, equity, and inclusion. Our employees experience ongoing green initiatives, flexible work hours, and a variety of health and wellness programs. INFICON’s forward-thinking approach offers countless opportunities to design, support, and manufacture a diverse product portfolio that expands globally. Our Lean and Agile work environment offers competitive compensation, relocation assistance, a discretionary bonus, and generous employee benefits; major medical, dental, health, vision, 401K, vacation and sick time, tuition reimbursement, and more! INFICON is committed to ensuring that our online application process provides an equal opportunity to all job seekers that apply without regard to race, religion, ethnicity, national origin, citizenship, gender, age, protected veteran status, disability status, genetic information, sexual orientation, or any other protected characteristic. A notice describing Federal equal employment opportunity laws is available here to reaffirm this commitment. Any contact that would like to request a reasonable accommodation to participate in the application process should contact . INFICON, Inc. strictly complies with all aspects of the Export Administration Regulations ('EAR'), including those sections dealing with deemed exports to foreign nationals. INFICON is a leading provider of innovative instrumentation, critical sensor technologies, and Smart Manufacturing/Industry 4.0 software solutions that enhance productivity and quality of tools, processes, and complete factories. These analysis, measurement and control products are essential for gas leak detection in air conditioning/refrigeration and automotive manufacturing. They are vital to equipment manufacturers and end-users in the complex fabrication of semiconductors and thin film coatings for optics, flat panel displays, solar cells and industrial vacuum coating applications. Other users of our vacuum-based processes include the life sciences, research, aerospace, packaging, heat treatment, laser cutting and many other industrial processes. We also leverage our expertise in vacuum technology to provide unique, toxic chemical analysis products for emergency response, security, and environmental health and safety.