We are looking for an Senior Expert OT Security Engineering (x|f|m) to join our IT Foundation Services team.
As part of a global organization, you will help protect and strengthen our OT landscape and contribute to the security of production environments that support our mission of Simplifying Progress. In this role, you will work closely with IT, engineering and production teams to advance our OT security capabilities and support resilient operations worldwide.

This position is available for full-time. It is a hybrid role requiring some days on site at our site in Madrid (Spain) or Tunis (Tunisia) with the opportunity to work some days remotely.

Grow With Us – Your Responsibilities

Develop, implement and continuously improve OT security concepts, architectures and standards across global environments

Take ownership of the OT vulnerability management lifecycle, including identification, assessment, prioritization and remediation tracking of vulnerabilities in OT environments

Perform vulnerability assessments and risk analyses for industrial systems (e.g. ICS, SCADA, IoT) and define mitigation strategies aligned with operational constraints

Establish and enhance processes for continuous vulnerability monitoring and remediation in close collaboration with production and engineering teams

Support the integration of OT systems into existing IT security frameworks and monitoring capabilities Collaborate with SOC teams to ensure effective monitoring, detection and response for OT-related security incidents

Act as a central interface between IT security, OT engineering and production teams to align security requirements and operational needs

Support incident response activities, including investigation, containment and remediation of OT-related threats





Ensure compliance with relevant cybersecurity standards and frameworks (e.g. IEC 62443, NIS2, ISO 27001)

Coordinate with external vendors and technology partners and contribute to the evaluation and implementation of OT security solutions

Document security architectures, processes and implemented controls to ensure transparency and audit readiness

What Will Convince Us

You have successfully completed a degree in information technology, cybersecurity, engineering or a comparable field

This is complemented by several years of professional experience in IT security, ideally with a focus on OT / industrial environments

Strong knowledge of network technologies and protocols across IT and OT environments

Experience with industrial systems such as ICS and SCADA as well as OT-specific security challenges

Hands-on experience with security technologies such as SIEM, IDS/IPS, endpoint protection and network segmentation solutions

Familiarity with OT security platforms (e.g. Claroty, Nozomi, Microsoft Defender for IoT) is a strong advantage

Understanding of security frameworks and regulatory requirements (e.g. IEC 62443, NIS2, ISO standards)

Experience in incident response and vulnerability management is a plus

Strong communication skills and the ability to make technical concepts understandable to non-technical stakeholders characterize you

Independent work styl,



manage tasks effectively and alignment of activities with overall security strategies

A hands-on mentality combined with a proactive and solution-oriented mindset

Fluency in English completes your profile

What We Offer

As a growing global life science company, stock listed on the MDAX and TecDAX, Sartorius offers a wide range of Benefits:

Personal and Professional Development: Mentoring, leadership programs, Talent Talks, internal seminar offerings , coaching for managers

Attractive Compensation: Vacation and holiday bonuses including pension benefits with a 40 hr. week and 25 vacation days

Making An Impact Right From The Start: Comprehensive onboarding, including a virtual online platform even before joining, Welcome Workshops, "buddy" as point of contact

Welcoming Culture: Mutual support, teamspirit and international collaboration; communities on numerous topics, such as coaching, agile working and business women network

This position is filled within the Sartorius Spain S.A.

We promote diversity and inclusion and welcome applications from people of all nationalities, genders, sexual orientations, religions, age groups, disabilities, and cultural backgrounds.

About Sartorius

Sartorius is part of the solution in the fight against cancer, dementia, and many other diseases. Our technologies help translate scientific discoveries into real-world medicine faster, so that new therapeutics can reach patients worldwide.

We look for ambitious team players and creative minds, who want to contribute to this goal and advance their careers in a dynamic general environment.

Join our global team and become part of the solution. We are looking forward to receiving your application.

📌 Senior Expert OT Security Engineering(x|f|m) (Madrid)
🏢 Sartorius
📍 Madrid