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 SIOP Specialist is responsible for leading demand planning, forecast alignment, revenue risk mitigation, and analytics to support the Sales, Inventory, and Operations Planning (SIOP) process. This role serves as a key liaison between Sales, Customers, Finance, Operations, and Supply Chain to drive forecast accuracy, improve customer collaboration, and ensure achievement of FINPLAN revenue objectives.

The position develops statistical forecasts, identifies demand risks and opportunities, drives proactive gap closure strategies, and leads cross-functional discussions to align customer demand at both product family and finished goods specification levels.

The role leverages Kinaxis RapidResponse, SAP ERP, Power BI, and advanced Excel analytics to improve forecast reliability, inventory performance, customer service levels, and revenue attainment.

This role follows a hybrid work model and is available to candidates residing in Hattiesburg, MS; Kohler, WI; or Milwaukee, WI. Relocation support is offered for qualified applicants.

Specific Responsibilities:

Demand Planning & Forecasting

• Develop, maintain, and improve statistical demand forecasts utilizing historical demand, market trends, seasonality, customer forecasts, and demand drivers.

• Analyze forecast accuracy, forecast bias, forecast attainment, and demand variability to improve planning performance.

• Maintain forecasts at both product family and SKU / finished goods specification levels.

• Perform demand trend analysis using historical shipments, open orders, customer forecasts, and sales pipeline information.

• Develop demand scenarios and recommendations to support business decisions and revenue commitments.

Revenue Attainment & FINPLAN Gap Management

• Partner with Sales and key customers to identify and close volume gaps against monthly, quarterly, and annual FINPLAN commitments.

• Work within established customer order protocols and forecast alignment processes to secure demand visibility and revenue attainment.

• Lead monthly reviews of revenue risks and opportunities, providing actionable recommendations to leadership.

• Establish mitigation strategies to minimize revenue risks through proactive customer engagement and sales collaboration.

• Drive actions focused on preventing revenue shortfalls upfront rather than relying on end-of-period recovery efforts.

Customer Forecast Collaboration

• Lead forecast alignment reviews with strategic customers representing the majority of company revenue.

• Push customers to provide forecasts at both product family and specification levels with defined planning horizons.

• Establish real-time forecast collaboration processes with customers and Sales teams to improve visibility and responsiveness.

• Identify forecast gaps, customer demand shifts, and changes in buying patterns to support timely decision making.

• Improve customer forecast accountability and forecast quality through ongoing engagement and performance tracking.

SIOP Leadership & Cross-Functional Collaboration

• Support and lead key portions of the monthly SIOP process, including demand reviews, executive SIOP preparation, and action tracking.

• Facilitate consensus demand planning across Sales, Finance, Operations, Supply Chain, and Customer Service.

• Communicate risks, opportunities, and forecast changes to executive leadership and key stakeholders.

• Develop and present executive-level reporting, dashboards, and recommendations.

Systems, Tools & Data Management

• Utilize Kinaxis RapidResponse for demand planning, scenario analysis, and performance reporting.

• Maintain demand plans and forecast alignment within SAP ERP systems.

• Develop and maintain Power BI dashboards and reporting tools to support executive decision making.

• Build advanced Excel models, forecasting tools, and business analytics reports.

• Ensure forecast, order, shipment, and actual demand data integrity across planning systems.

Continuous Improvement & Risk Management

• Drive continuous improvement initiatives focused on forecast accuracy, customer collaboration, and demand planning processes.

• Perform risk assessments and what-if scenario analysis to support proactive decision making.

• Identify inventory reduction opportunities while maintaining customer service objectives.

• Support initiatives to reduce excess and obsolete inventory while improving inventory turns and working capital performance.

Requirements:

• Bachelor's degree in Supply Chain, Business, Finance, Engineering, Analytics, or related field.

• 5+ years of experience in demand planning, forecasting, SIOP, supply chain analytics, or related functions.

• 2+ years of experience with Kinaxis RapidResponse or similar advanced planning systems.

• 2+ years of experience utilizing SAP ERP systems.

• Advanced Microsoft Excel skills including data analysis, pivot tables, Power Query, XLOOKUP, and forecasting models.

• Strong PowerPoint and executive presentation skills.

• Experience leading cross-functional discussions and influencing business decisions.

Preferred Qualifications

• Experience supporting executive SIOP / IBP processes.

• Experience collaborating directly with customers on forecasting and demand planning activities.

• Experience with Power BI or similar business intelligence platforms.

• Experience in manufacturing, industrial, automotive, engine, or consumer products industries.

• APICS CPIM, CSCP, or IBF certification preferred.

• Knowledge of forecasting KPIs including MAPE, Bias, Forecast Attainment, and Demand Variability.

Applicants must be authorized to work in the US without requiring sponsorship now or in the future.

About Us

Rehlko proudly offers a rich history steeped in creativity and commitment to our associates and communities, along with competitive benefits and compensation. Our Purpose—Creating an energy resilient world for a better future—and Values: Curiosity, Trust, Pace, and Excellence, are important cultural components that shape the way we work and relate to one another. Learn more about Rehlko at http://www.rehlko.com/who-we-are.

In addition to the investment in your development, Rehlko offers a benefits package including a competitive salary, health, vision, dental, 401(k) with Rehlko matching, and more!?

Rehlko is an equal opportunity employer that prohibits discrimination and will make decisions regarding employment opportunities, including, but not limited to, hiring, job assignment, compensation, promotion, benefits, training, discipline, and termination, without regard to race, creed, color, ethnicity, religion, sex, pregnancy, childbirth, or related medical conditions, genetic information, age, national origin, citizenship, ancestry, caste, mental or physical disability, marital or familial status, sexual orientation, gender identity or expression, genetic information, political belief or affiliation, union membership status, military status, veteran status, or any other characteristic protected by national, state, local, or other applicable laws.

Americans with Disabilities Act (ADA)

 It is the policy of Rehlko to comply with all applicable provisions of the Americans with Disabilities Act (ADA) and corresponding national, state, local, or other applicable laws. Rehlko will not discriminate against any qualified associate or applicant with respect to any terms, privileges, or conditions of employment because of a person's physical or mental disability. Rehlko will provide a reasonable accommodation to associates or applicants with disabilities, in accordance with applicable laws. If you have a disability and require an accommodation in the application process or during the course of employment, please contact [email protected]. Rehlko is an equal opportunity/affirmative action employer.

Our Values

Curiosity – Seek, learn, share

Trust – Go farther together

Pace – Focus to go faster

Excellence – Find the win every day