The Global OT Application Engineer implements, integrates, tests, deploys and supports industrial applications across manufacturing sites. The role configures and implements global use cases and applications. General OT applications across manufacturing sites, including MES/MOM, SCADA, IIoT and CMMS domains.
Purchased, configured and internally developed applications and their interfaces to plant and business systems.
Plant systems exchange accurate and reliable data through governed interfaces.
Sites receive effective onboarding, technical support and operational handover.
Global templates and standards are applied without losing control of necessary local adaptations.
Main tasks / Standard of performance
Gather requirements to integrate applications with PLC, SCADA, DCS, MES/MOM, IIoT, historians and business systems such as ERP, LIMS or QMS.
Configure and troubleshoot industrial data exchange using technologies such as OPC UA, MQTT, REST APIs and SQL.
Ensure that global libraries, naming conventions, templates, interfaces and deployment standards are followed.




Document any approved local deviation from the global template, including its justification and approval, in the application documentation.
Review technical and functional deliveries from developers, vendors and system integrators and challenge gaps in quality, maintainability or operability.
Testing and Validation
Translate approved requirements and designs into a complete and traceable technical test scope.
Prepare and execute functional, integration and regression tests and support FAT, SAT and user acceptance testing.
Diagnose bugs, coordinate correction and test cycles, and maintain clear test evidence and release documentation.
Verify connectivity, data integrity, performance, resilience, security controls and operational readiness.
Confirm that acceptance criteria are met before recommending release or production deployment.
Deployment and Site Onboarding
Lead the technical work required to take an ap

📌 Global OT Application Engineer (Barcelona)
🏢 QUARIQ
📍 Barcelona