Remote Industrial IoT Edge & PLC Integration Engineer

Falu AG; Rüti (ZH); Remote; CHF 120,000 - 170,000; Full time

Job summary

Falu AG in Switzerland invites an experienced automation and IoT engineer to join a role spanning PLC, edge devices, and data broker integration. You will work on Siemens S7 and TIA Portal, implement MQTT strategies, and build robust edge software on Raspberry Pi to keep machines visible in dashboards.

You will travel to customer plants, work remotely, and invoice as a freelancer. Proficiency in English is required; German is a plus.

Qualifications

• Siemens PLC programming in TIA Portal (SCL and LAD, S7-1200/1500 family).
• Industrial networking: PROFINET, VLANs, static and DHCP setups, firewalls, TLS basics.
• Linux on Raspberry Pi or similar SBCs: systemd, networking, headless operation, remote administration.
• Solid programming skills in Python or Node.js for edge software, and Git daily usage.
• MQTT in depth: versions 3.1.1 and 5.0, QoS, retained messages, TLS, broker ACLs.
• Proficiency with AI coding tools used daily (Claude Code, Cursor, Copilot etc.).
• Working proficiency in English; German a plus for machine side.
• Willingness to travel to customer plants; two days/week availability; freelance invoicing.

Responsibilities

• Oversee PLC and machine data handling, syncing with payload contracts.
• Build and standardize MQTT deployment from PLC or edge devices.
• Maintain Raspberry Pi edge software with buffering and failover.
• Operate site gateway with routing, firewall, and remote maintenance access.
• Onboard customers and machines end-to-end; write runbooks and documentation.
• Monitor edge layer to detect degraded devices before customers notice.
• Ensure clock discipline and KPI timing from PLC timestamps.

Skills

Siemens PLC programming

Industrial networking

Linux on Raspberry Pi

Python

Node.js

MQTT

AI coding tools

English proficiency

German language

Freelance / self-employed

Travel readiness

Tools

OPC UA

Snap7

Siemens libraries

Node-RED

Docker on ARM

Ansible

HiveMQ

Mosquitto

EMQX

Job description

Falu AG in Switzerland invites an experienced automation and IoT engineer to join a role spanning PLC, edge devices, and data broker integration. You will work on Siemens S7 and TIA Portal, implement MQTT strategies, and build robust edge software on Raspberry Pi to keep machines visible in dashboards.

You will travel to customer plants, work remotely, and invoice as a freelancer. Proficiency in English is required; German is a plus.