Koch-Chemie USA is part of the French Novarc Group, an internationally operating industrial group with more than 60 companies and approximately 1,900 employees worldwide. Together, we stand for technological excellence, industrial expertise, and sustainable innovation. Since 1968, Koch-Chemie has represented premium cleaning and care products for automotive reconditioning, workshops, car washes, and industrial applications. We are one of the few companies in our industry that conducts its own research, manufacturing, and distribution – a tradition defined by continuous improvement and attention to detail: Excellence for Experts. As a Car Wash Sales & Service Technician, you will serve as the primary day-to-day contact for assigned tunnel wash customers within your territory. You will combine hands-on technical service with consultative sales, customer training, and relationship management. In this role, you will help customers optimize wash quality, chemical performance, and operating costs. You will inspect and maintain chemical application equipment, troubleshoot wash performance issues, and identify opportunities to expand existing accounts and develop new business. Conduct routine service visits and serve as the primary contact for assigned tunnel wash customers Inspect, maintain, and calibrate chemical application and dispensing systems Troubleshoot wash quality issues, including foam performance, drying, water spotting, and overall cleaning results, and recommend appropriate improvements Monitor chemical usage, wash performance, and costs, and develop suitable wash package recommendations Support equipment startups, product trials, new customer onboarding, and product deliveries Train wash managers and staff on product usage, equipment maintenance, and operational best practices Develop existing accounts, acquire new customers, and identify additional sales opportunities Build strong customer relationships and ensure high satisfaction and retention Support key account presentations, trade shows, and industry events Maintain CRM records, reports, inventory usage, and territory schedules Provide market and competitor insights and escalate major technical or customer issues when necessary Previous experience in car wash tunnel operations, car wash management, technical service, or consultative sales Experience with detailing chemicals, vehicle wash equipment, chemical dispensing systems, or water treatment systems is an advantage Strong troubleshooting skills and mechanical aptitude Customer-focused mindset with strong relationship-building skills Sales-oriented approach and the ability to identify and develop business opportunities Confident communication, presentation, and training skills Independent, structured, and goal-oriented working style Strong time and territory management skills Proficiency with CRM software and Microsoft Office Valid driver’s license and clean driving record Willingness to travel extensively within the assigned territory