OT Security Specialist (m/f/d)

**** Kelvion **Our mission is to lead the industrial transformation by championing innovation and sustainability. From optimising data centres and advancing hydrogen production to revolutionising refrigeration and HVAC systems, our mission-critical thermal solutions empower industries around the globe. United as “One Kelvion,” our global team delivers innovative solutions that drive customer success and support a sustainable future.

Together, We Shape the Future** Core Responsibilities **** The OT Security Specialist strengthens cyber security across Kelvion’s manufacturing and operational technology environments. Reporting to the VP Information Security / CISO, the role assesses OT risks, defines practical improvements and works with plant, engineering and IT teams to protect safety, production availability and business continuity!

• Assess OT assets, networks and controls across manufacturing sites, primarily against IEC 62443.
• Turn findings into prioritised remediation plans, standards and secure architectures.
• Embed OT security into plant modernisation, automation and technology lifecycle decisions.
• Improve monitoring, vulnerability management, secure remote access, backup, recovery and incident readiness.
• Partner with plant, engineering, IT and external specialists; track progress and escalate significant risks.

Education And Qualifications

• Degree in cyber security, IT, automation, engineering or equivalent professional experience.
• IEC 62443 training or certification strongly preferred; GICSP, CISSP, CISM or comparable credentials are desirable.
• At least 7 years of relevant cyber security, automation, controls or infrastructure experience, including 3 years in OT/ICS security.
• Proven experience with IEC 62443 assessments and practical remediation in manufacturing environments.
• Strong knowledge of industrial networks, segmentation, remote access, vulnerability management, monitoring and incident response.
• Fluent business English; additional European languages are an advantage.
• Strong analytical, communication and stakeholder-management skills, with the ability to work independently across international sites.
• Willingness to travel regularly to Kelvion manufacturing locations.