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Posted Apr 29, 2026

Freelance QA / System Engineer (IIoT & MES – On-site Michigan)

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Description: We are looking for a freelance QA / System Engineer based in Michigan to support our Smart Factory (MES + IIoT) implementation. This role requires occasional on-site visits to customer facilities and strong communication skills to interact with production teams. Responsibilities: • Support IIoT device integration and testing • Monitor and validate real-time data from machines (PLC / sensors) • Perform basic QA testing (UI, API, data validation) • Provide on-site and remote support to customers • Understand customer issues and translate them into technical requirements • Train operators and engineers on system usage • Assist during system go-live and troubleshooting Requirements: • Experience in QA, System Engineering, or Technical Support • Understanding of industrial environments (manufacturing, MES, automation) • Basic knowledge of PLC / IoT / industrial data collection • Experience with API testing and SQL (preferred) • Strong communication skills (must work with operators and engineers) • Based in Michigan and available for on-site visits Nice to have: • Experience with MQTT / Kafka / real-time systems • Experience with MES / ERP systems • Field support or commissioning experience