Senior Master Scheduler of Manufacturing

Why Work at Rehlko Our work is guided by our purpose: creating an energy-resilient world for a better future. This purpose embodies the legacy we bring, with more than 100 years as the global leader in energy resilience, delivering solutions critical to sustain and improve life. Our teams have the opportunity to provide a critical resource – energy – that ensures safety, security, and independence for people around the world. Our team members are focused on pushing boundaries, continuing to innovate in an ever-changing landscape, and keeping up with the pace required to create solutions for today’s world demands. Our product range includes engines, generators, power conversion, UPS systems, EV components and electrification solutions, microgrid controls and management, and clean energy solutions that serve a broad spectrum of OEM, residential, industrial, and commercial customers. At Rehlko, you have the freedom to identify, create, and deliver solutions – large and small – that help people and communities thrive in the moments that matter. At Rehlko, our team members are the essential energy that powers our organization’s success. We are committed to fostering a safe and sustainable work environment where safety is everyone’s responsibility. We empower every team member to actively participate in our Zero Is Possible safety culture by encouraging open communication, proactively reporting hazards, following protocols, and suggesting improvements. Join us in creating an energy resilient world for a better future! What We Offer At Rehlko, our Total Rewards programs are designed to accelerate growth, energize performance, and support a culture of inclusion at every stage of life and work. We offer total rewards that are easily understood, recognize results, enable career mobility, and reflect our commitment to valuing diverse needs in a fast-moving world. We provide: Competitive compensation and benefits Work-life flexibility Recognition and rewards Development and career opportunities A safe and inclusive workplace Why You Will Love this Job The Senior Master Scheduler of Manufacturing plays a critical role in driving operational excellence by developing and managing the Master Production Schedule to align customer demand, production capacity, and inventory objectives. This position partners closely with Manufacturing, Materials, Engineering, Purchasing, Sales, and global operations teams to optimize production planning, improve supply chain performance, and support on-time delivery. Leveraging data-driven decision-making, ERP planning systems, and Sales & Operations Planning (S&OP) processes, the Senior Master Scheduler ensures efficient execution of production schedules while identifying opportunities for continuous improvement across the manufacturing network. This role is ideal for a collaborative supply chain professional who thrives in a fast-paced environment and enjoys solving complex planning challenges that directly impact business success. Work Mode : Onsite Monday-Friday Location : N7650 County Rd LS, Sheboygan, WI, 53083 Key Responsibilities Develop, maintain, and execute the Master Production Schedule across multiple production lines to achieve customer service and inventory turn targets Analyze capacity constraints and partner with Materials and Manufacturing teams to build feasible, optimized production plans Lead scheduling inputs for monthly Sales & Operations Planning (S&OP) processes, including preparation of planning materials and demand alignment Monitor and drive key supply chain performance metrics, including LOTIF (Line On Time In Full) and OFCT (On-Time Customer Request Date) Works and coordinates with a team of Master Schedulers and Material Schedulers, to ensure manufacturing operations efficiency   Maintain and govern SAP master data related to planning and scheduling to ensure data accuracy and system integrity Coordinate production schedule changes and priorities with cross-functional teams including Manufacturing, Materials, Purchasing, and Engineering Partner with Engineering Change Board, Sales, and Marketing to manage product transitions and minimize obsolescence risk Collaborate with global manufacturing sites (including Changzhou, Singapore, and Brest) to align production plans and material availability Drive continuous improvement initiatives within scheduling and planning processes Perform additional duties as assigned Required Associates Degree in Supply Chain, Operations, Engineering, Business, or a related field Experience developing and maintaining a Master Production Schedule within a manufacturing environment. Experience with ERP/MRP planning systems (SAP preferred). Knowledge of production planning, capacity planning, inventory management, and S&OP. Strong analytical, communication, and cross-functional collaboration skills. Preferred Bachelor's degree in Supply Chain, Operations, Engineering, Business, or a related field, APICS/CPIM, CSCP, CSCMP, or ISM certification. Experience with SAP master data and global manufacturing operations. Knowledge of LOTIF, OFCT, Lean Manufacturing, or Continuous Improvement. Key Competencies Strong analytical and problem-solving skills Ability to balance demand, capacity, and inventory in a dynamic environment Effective cross-functional collaboration and communication Leadership and team development capabilities High attention to detail with a systems-thinking mindset Work Mode : Onsite Monday-Friday Location : N7650 County Rd LS, Sheboygan, WI, 53083 The Salary range for this position is $69,800.00-$87,950.00.The specific Salary rate offered to a candidate may be influenced by a variety of factors including the candidate’s experience, their education, and the work location. About Us Rehlko proudly offers a rich history steeped in creativity and commitment to our associates and communities, along with compe