Senior Automation Software Engineer (f/m/d)

Responsibilities

• Develop and maintain Siemens PLC applications, reusable function blocks, and standardized control architectures for NexWafe's production equipment.
• Design and implement workflow-driven process automation, recipe management, and orchestration systems using Node-RED or similar platforms.
• Integrate instrumentation, machine equipment, industrial networks, and SCADA/MES systems into a reliable and scalable automation environment.
• Develop industrial software applications, APIs, HMIs, dashboards, and analytics tools.
• Collaborate closely with process engineers and cross-functional stakeholders to translate process requirements into robust and user-oriented automation solutions.
• Support equipment commissioning, troubleshooting, and optimization activities to ensure stable, efficient, and reliable production processes.

Requirements

• Master's degree in Automation Engineering, Electrical Engineering, Computer Science, Mechatronics, Software Engineering, or a comparable field.
• 7+ years of hands-on experience in industrial automation and PLC programming, with strong expertise in the Siemens ecosystem (TIA Portal, S7 PLCs, Industrial Edge and/or related technologies).
• Strong programming skills in at least one modern language such as JavaScript/TypeScript, Node.js, Python, HTML, and modern web technologies.
• Strong understanding of industrial communication technologies, such as OPC UA, Profinet, Modbus TCP, MQTT, or REST APIs and related integration patterns.
• Experience with workflow orchestration and event-driven systems such as Node-RED or Apache NiFi, including development and maintenance of custom nodes/components.
• Experience with time-series data platforms and analytics solutions, including Telegraf, InfluxDB, and Grafana (TIG Stack).
• Experience with Git, source control, code review practices and modern software development practices.
• Proven ability to troubleshoot and support distributed industrial software systems, PLC, communication, orchestration, database, and HMI layers.
• Proven track record of successful commissioning, startup, and support of industrial automation solutions in production environments.
• A structured and solution-oriented working style combined with strong analytical and problem-solving skills.
• Excellent communication and collaboration skills in interdisciplinary and international teams.

Your profile

• Fluent English language skills, both written and spoken. German language skills are a plus.
• Willingness to occasionally travel within Germany and internationally for project and commissioning activities.

Why us?

Build technology that goes beyond products: At NexWafe, we are developing and industrializing a unique gas-to-wafer manufacturing platform for the next generation of solar wafers for space and terrestrial applications.

Solve complex engineering challenges: Work on process development, equipment design, automation and manufacturing scale-up, and see the impact of your work firsthand as innovative concepts become industrial reality.

Attractive remuneration package: A permanent position with competitive salary, company pension scheme and upside-sharing through our VSOP program.

Support for your wellbeing: Annual health budget and Hansefit membership.

Expand your language skills: Language courses and continuous development opportunities.