Interested in a career that matters?

As the plant OT Automation Engineer, you will be the site’s OT focal point for automation, industrial infrastructure and cyber security topics.

You will drive the deployment of the Group’s OT Security Program and be responsible for the reliable operation of OT infrastructures and the plant’s control systems, directly contributing to performance, safety and production continuity.

Your Future Team

You will join the Technical Services team at the Arpajon plant, acting as an interface between local operational teams (Production, Maintenance, QHSE) and global Engineering and IT/OT teams.

On a day‑to‑day basis, you will work closely with our ABB specialist and will, over time, become their back‑up on the site’s control system.

In This Role, You Will Have An Impact On

• Securing the site’s OT systems by applying Group OT security standards.
• Ensuring the availability and resilience of the plant’s control systems and associated OT infrastructures.
• Preparing the site for future challenges in industrial cyber security.
  
  

Your Main Responsibilities

• Operate, maintain and further develop the site’s OT infrastructures and systems (servers, operator workstations, networks, Active Directory environments, remote access, etc.).
• Manage industrial interfaces and communication protocols (OPC UA, etc.) as well as process data historian tools.
• Lead the deployment and implementation of IT/OT cyber security initiatives at site level (network segmentation, firewalls, monitoring, access management, backup/restore, incident response plans, etc.).
• Support the ABB specialist in maintaining the control system in operational condition (diagnosis and resolution of incidents, modifications, participation in projects, etc.).
  
  

Your Profile

• Engineering degree in Automation, Electrical/Electrotechnical Engineering, Industrial IT or a similar field, or an experienced automation technician background.
• Proven experience (ideally ≥ 5 years) in industrial automation/control systems in a process environment (chemicals, pharma, food, or similar).
• Significant experience in similar IT/OT functions.
• Experience in project management.
• Solid skills in industrial networks and OT cyber security best practices; familiarity with standards such as IEC 62443 would be an advantage.
• Knowledge of industrial communication protocols (OPC UA, Modbus, etc.), historians and ideally ABB systems (800xA, AC450, AC800M); otherwise, strong motivation to learn them.
• Fluent in French; professional and technical English to interact with global teams and suppliers.
• Analytical and problem solving mindset; ability to work and communicate across functions; driver of change, eager to grow in a fast evolving environment.
  
  

Our purpose guides the way

In Novonesis, we know that solutions rooted in biology can help solve humanity’s biggest challenges. Since we began more than a century ago, this has been our guide. It’s how we've gotten so far. And it’s how we'll impact the future. Now, more than ever, the world needs change. And with biosolutions, the possibilities for transformation are endless. If our purpose resonates with you, we encourage you to apply.

Opportunities for everyone

We are committed to an inclusive recruitment process and equal opportunity for all applicants. Therefore we ask you to apply without a cover letter or photo and instead include a few sentences in your CV explaining your motivation for applying.

We make all employment decisions based on business needs and welcome candidates with a wide range of backgrounds, including ethnicity, religion, gender, sexual orientation, age, disability, or veteran status.

Explore Other Openings

If this position isn’t the right fit, you may still find other opportunities with us. You’re welcome to explore open roles or create a job agent to stay connected with future opportunities at novonesis.com/Career