Senior Test Engineer – MES, SCADA & IoT

About the Role

We are looking for an experienced Senior Test Engineer with deep expertise in establishing and operating test environments within complex industrial and manufacturing ecosystems. This is a hands-on, operationally focused role where you will take ownership of end-to-end test environment setup, configuration, and ongoing maintenance across MES, SCADA, and IoT layers.

Responsibilities

• Lead the setup and configuration of end-to-end test environments supporting integrations across MES, SCADA, and IoT layers

• Validate manufacturing flows, data consistency, and system integrations between MES, SCADA, and connected factory systems, including real-time communication and event handling

• Test and validate MQTT-based communication with focus on reliability, latency, and data integrity

• Maintain, troubleshoot, and continuously improve test environments to support ongoing releases and defect resolution

• Manage configuration and environment stability, ensuring version alignment and availability across systems and interfaces

• Collaborate closely with development teams, factory stakeholders, and IT/OT functions to ensure stable and efficient integration flows

Requirements

• Strong experience in test environment setup within complex, multi-system landscapes

• Hands-on experience with MES systems, preferably EBBA or equivalent

• Experience with SCADA integrations

• Practical experience with MQTT or similar messaging protocols

• Documented experience in system integration testing (SIT) and end-to-end testing

• Solid understanding of environment configuration and management

• Ability to work in an operational, hands-on delivery role with close collaboration across technical and business stakeholders

Meriting

• Experience from industrial or manufacturing environments

• Background in IT/OT integration

• Familiarity with factory automation systems and connected factory ecosystems

Start: 2026-05 Duration: Until 2026-12 Location: Södertälje, Sweden (hybrid)

About Rasulson Consulting

Rasulson Consulting is a specialized staffing and recruitment firm within the IT sector. We partner with established technology companies as well as innovative startups to offer attractive career opportunities for professionals looking to grow within digital development and IT. With our strong technical expertise and extensive network, we effectively match the right consultant with the right assignment. At Rasulson Consulting, you will receive personalized guidance, ongoing feedback, and the opportunity to take the next step in your career.