OT Security Engineer (m/f/d)

Hackers love OT networks. Do you?

At OT-InfraSec we combine technical security expertise with a clear mission: making OT security accessible to small and medium-sized enterprises. We analyze production facility networks for cybersecurity, automatically identify vulnerabilities, and derive understandable improvement measures. We work closely with our customers, clearly and without jargon.

Here you're not just a number in the system — you're involved from the start when an idea becomes a product. Sound like you? Then keep reading.

Your Tasks & Impact

You make industrial networks safer and smarter. You prepare real network data so our AI models can be trained optimally, and actively help build our OT testing processes.

• 🔍 Analyze traffic: You take industrial network traffic (PCAPs) under the microscope, understand anomalies and derive concrete security risks.
• 🧹 Data Engineering for Security: You filter and structure raw network recordings to provide clean, high-quality training data for our detection algorithms.
• 🏭 Build OT test environment: You design and expand our OT testing processes to realistically simulate and validate cyber-attacks on industrial facilities.
• 📈 From dataset to product: Your processed data flows directly into our core product — you see the direct impact of your work weekly.

What you bring

• 🎓 Completed studies in computer science, cybersecurity, data science or a comparable field.
• 🌐 Good basic knowledge of network architectures and TCP/IP security.
• 🐍 First practical experience with Python, Linux command line and Git.
• 🌱 Growth mindset: You're eager to dive deep into the world of Operational Technology (OT) and crack the logic behind industrial protocols.
• ✨ Nice-to-have: First exposure to protocols like Modbus, Profinet or OPC UA.

What we offer you

• 🛠️ Technical freedom: You co-decide how we shape our solution technically. No rigid processes, but self-initiative.
• 🛡️ Real impact: No bullsh*t bingo — you protect critical infrastructure (OT) from real companies.
• 🚫 No corporate politics: Short paths, direct communication at eye level with the founding team, and maximum execution speed.
• 🌍 Location and time: Full-time / part-time possible. Remote possible. Flexible working hours. Offices available in St. Ingbert and Regensburg.
• 💻 Your setup: State-of-the-art hardware of your choice (e.g., MacBook or Linux ThinkPad).

Sounds interesting?

Then write to us. Send us a few lines about yourself and your resume to career@ot-infrasec.de. You don't need a perfectly polished cover letter — we mainly want to know what drives you.

Questions beforehand? Feel free to write to the same address.

Location: St. Ingbert / Remote
Employment type: Full-time
Language: German / English