Job Summary: The On-Site Service Technician Level III acts as a technical specialist and primary customer support contact, responsible for diagnosing and completing repairs on Cummins products at a designated customer site. The role ensures equipment reliability and customer satisfaction while adhering to safety and quality standards. Key Responsibilities: Diagnostics & Repairs: Independently perform diagnostics, troubleshooting, and repairs on power generation and/or engine products at customer sites. Customer Support: Maintain strong customer relationships by ensuring prompt and efficient service to minimize equipment downtime. Technical Mentorship: Provide guidance on preventive maintenance and repairs to less experienced technicians and customer personnel. Inventory Management: Manage parts and spares inventory at the work site to ensure operational efficiency. Issue Escalation: Escalate unresolved issues to product specialists or supervisors when necessary. Documentation & Reporti...