Senior Master Planner

IRhythm Technologies Inc.; California; Hybrid; USD 103,000 - 134,000; Full time

Job summary

iRhythm Technologies Inc. in Orange County, CA is seeking a Senior Master Planner to lead integrated supply planning across manufacturing, materials, capacity, inventory and customer demand. You will partner with Demand Planning, Finance and Operations to balance service, cost and risk, drive scenario analysis, and present executive summaries.

This role is hybrid and on-site several days per week. A strong background in ERP/MRP, advanced Excel and multi-site planning is required to optimize

Qualifications

• Minimum of 8+ years in master planning, production planning or related roles.
• Experience leading integrated planning across multiple products/sites is required.
• Experience with ERP, MRP, and data analysis tools; advanced Excel is required.

Responsibilities

• Lead the master production and supply plan across product families, sites, suppliers and distribution nodes.
• Develop capacity-constrained supply plans balancing demand, inventory, capacity and costs.
• Lead monthly supply reviews and executive planning discussions on supply, inventory, capacity, service and risk.
• Partner with Demand Planning and Finance to align forecast, plan and business outlook.
• Evaluate capacity, labor, supplier, material, and lead-time constraints to identify risks and opportunities.
• Drive scenario modeling and mitigation for shortages and product transitions.

Skills

Master scheduling

Supply planning

Inventory management

ERP

MRP

Excel

Education

Bachelor's degree or higher

Tools

ERP systems

MRP software

Advanced Excel

Job description

Senior Master Planner# Open Jobs## Senior Master PlannerApply: Orange County, CA: Full time: Posted 2 Days Ago: JR1853**Career-defining. Life-changing.**At iRhythm, you’ll have the opportunity to grow your skills and your career while impacting the lives of people around the world. iRhythm is shaping a future where everyone, everywhere can access the best possible cardiac health solutions. Every day, we collaborate, create, and constantly reimagine what’s possible. We think big and move fast, driven by our commitment to put patients first and improve lives. We need builders like you. Curious and innovative problem solvers looking for the chance to meaningfully shape the future of cardiac health, our company, and your career**About This Role:****About This Role:** The Senior Master Planner is a critical member of the Global Supply Chain organization responsible for leading the development and governance of integrated supply plans across manufacturing, materials, capacity, inventory, and customer demand requirements. This role connects Demand Planning, Procurement, Manufacturing Operations, Quality, Distribution, Finance, and Commercial teams to establish executable plans that support customer service, operational performance, inventory health, and financial objectives. The Senior Master Planner anticipates constraints, leads scenario analysis, recommends business tradeoffs, and drives coordinated decisions across the end-to-end supply chain. **Essential Duties and Responsibilities:** • Lead the master production and supply plan across product families, manufacturing sites, suppliers, and distribution nodes over short-, mid-, and long-term planning horizons.• Develop and govern capacity-constrained supply plans that balance customer demand, inventory targets, manufacturing capabilities, material availability, financial objectives, and business priorities.• Lead monthly supply reviews and executive planning discussions regarding supply, inventory, capacity, service, cost, and risk tradeoffs.• Partner with Demand Planning and Finance to reconcile demand, supply, and financial assumptions and maintain alignment between the consensus forecast, operational plan, and business outlook.• Evaluate complex manufacturing capacity, labor, supplier, material, quality, lead-time, and inventory constraints to identify enterprise risks and opportunities.• Lead scenario modeling and mitigation planning for shortages, capacity constraints, inventory imbalances, backlog, product transitions, and customer-service risks.• Drive coordinated planning decisions across Procurement, Materials, Manufacturing, Distribution, Quality, Customer Care, Engineering, Finance, Commercial, and other stakeholders.• Lead supply-planning readiness for new product introductions, product transfers, supplier transitions, engineering changes, geographic expansion, and end-of-life activities.• Govern planning parameters, calendars, item and bill-of-material data, lead times, inventory policies, and documented assumptions required for reliable planning outputs.• Prepare and present executive-ready summaries of supply outlook, inventory trends, capacity constraints, material risks, scenarios, mitigation actions, and decisions required.• Lead root-cause analysis for significant supply, schedule, inventory, and planning misses and drive sustainable improvements across processes, systems, data quality, and operating mechanisms.• Establish planning governance, standard work, performance metrics, exception management, and master-planning best practices; coach planners and strengthen organizational planning capability.• Operate in accordance with applicable quality, regulatory, compliance, and company requirements; proactively escalate risks that could affect customers or patients.**Minimum Qualifications:**• Minimum of 8+ years of progressive experience in master planning, production planning, supply planning, inventory planning, materials management, integrated business planning, or related supply chain roles. •Bachelor’s degree or higher education preferred but not required.• Experience leading integrated production or supply plans across multiple products, manufacturing lines, suppliers, sites, or distribution nodes in the medical device industry.• Demonstrated experience leading cross-functional supply reviews, resolving complex constraints, and influencing senior-level decisions involving capacity, inventory, service, cost, and risk tradeoffs.• Experience with advanced capacity modeling, supply scenarios, material requirements planning, inventory optimization, and executive-level decision support.• Experience with ERP, MRP, advanced planning, business-intelligence, and data-analysis tools; advanced Microsoft Excel capability is required.**Knowledge, Skills and Abilities:** • Expert knowledge of master scheduling, supply planning, capacity planning, inventory management, production planning, and materials management.• Deep understanding of MRP, bills of material, lead times, planning parameters, manufacturing operations, inventory policies, and replenishment methodologies.• Advanced analytical and problem-solving skills, including multi-site capacity modeling, supply-risk assessment, inventory optimization, scenario planning, root-cause analysis, and exception management.• Strong knowledge of forecast consumption, safety stock, service-level management, schedule attainment, capacity utilization, backlog, and end-to-end supply-chain performance metrics.• Ability to evaluate complex planning scenarios, quantify business tradeoffs, and translate operational constraints into clear recommendations and decisions.• Executive-level written and verbal communication skills, with the ability to present planning risks, scenarios, recommendations, and required decisions to senior leaders.• Strong facilitation, stakeholder-management, mentoring, and influencing skills in a matrixed environment.• High attention to detail, ownership, prioritization, and execution discipline across multiple planning horizons and competing enterprise priorities.• Continuous-improvement mindset with the ability to establish governance, standardize work, improve data quality, and increase end-to-end planning transparency and accountability.• Comfort leading through ambiguity, changing priorities, and incomplete information while maintaining sound judgment and a patient-first perspective. ***This position is a hybrid opportunity requiring the employee to be on site a minimum of 3 days per week in the IOC location. #LI-hybrid #LI-AM1*****Location:**Orange CountyActual compensation may vary depending on job-related factors including knowledge, skills, experience, and work location.**Estimated Pay Range**$103,000.00 - $134,000.00As a part of our core values, we ensure an inclusive workforce. We welcome and celebrate people of all backgrounds, experiences, skills, and perspectives. iRhythm Technologies, Inc. is an Equal Opportunity Employer. We will consider for employment all qualified applicants with arrest and conviction records in accordance with all applicable laws.iRhythm provides reasonable accommodations for qualified individuals with disabilities in job application procedures, including those who may have any difficulty using our online system. If you need such an accommodation, you may contact us at [e-mail]