Edge-to-Cloud PLC Engineer (Remote, Freelance)

Falu AG; Rüti (ZH); Hybrid; CHF 165,000 - 248,000; Part time

Benefits offered by this job

AI assisted development tools

Remote by default

Travel to customer plants paid

Job summary

FALU AG in Rüti (ZH) seeks a freelance engineer to bridge PLCs and the MQTT broker, with Raspberry Pi edge devices, site gateway, and secure provisioning. You will work with the integration engineer, the in-house team, and the CEO to scale PMAS deployments worldwide.

This long-term engagement is remote by default, with on-site work in Europe and the United States as needed. AI-assisted tooling is integral to development and documentation.

Qualifications

• Must have Siemens PLC programming in TIA Portal and understand existing machine projects.
• Industrial networking with PROFINET, VLANs, firewalls, TLS basics.
• Linux on Raspberry Pi or similar SBCs; headless operation and remote admin.

Responsibilities

• Owns segments of data path from PLC to MQTT broker and decides data publishing approach.
• Develops Raspberry Pi edge software for MQTT, buffering, and health reporting.
• Manages site gateway, provisioning, and fleet-wide updates without site visits.

Skills

Siemens PLC (TIA Portal)

Industrial networking (PROFINET)

Linux on Raspberry Pi

Python/Node.js

MQTT (3.1.1/5.0)

Git

English proficiency

AI coding tools

Willingness to travel

Freelancer / invoicing

Tools

HiveMQ Cloud

OPC UA

Docker on ARM

Node-RED

Ansible

Job description

FALU AG in Rüti (ZH) seeks a freelance engineer to bridge PLCs and the MQTT broker, with Raspberry Pi edge devices, site gateway, and secure provisioning. You will work with the integration engineer, the in-house team, and the CEO to scale PMAS deployments worldwide.

This long-term engagement is remote by default, with on-site work in Europe and the United States as needed. AI-assisted tooling is integral to development and documentation.