Edge & Machine Integration Engineer (PLC to Cloud), Freelance, m/f/d
Core
Building and maintaining the integration path from Siemens PLCs to an MQTT broker for a global fleet of swab production machines.
Role type
Freelance Edge & Machine Integration Engineer
Builds
Cloud-based production monitoring system (PMAS) connecting industrial machines to live dashboards
Domain
Industrial IoT / Manufacturing / Embedded Systems
Required skills
Siemens TIA Portal (SCL/LAD), Industrial Networking (PROFINET, VLANs), Linux on SBCs, Python/Node.js, MQTT (3.1.1/5.0), AI Coding Tools proficiency
Preferred skills
OPC UA, Docker on ARM, Ansible, HiveMQ administration, Electrical schematics reading
Technologies
Siemens S7-1200/1500, TIA Portal V18, Raspberry Pi, HiveMQ Cloud, Python, Node.js, MQTT, Git
Responsibilities
Implement PLC message formats and manage software versions across the fleet; Develop and maintain edge device software and site gateways; Administer MQTT broker clusters and data contracts; Commission new machines and provide second-line support for connectivity issues.
Seniority
Mid-Senior, hands-on IC
