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
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.
· 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.
OT Security Specialist (m/f/d) employer: Kelvion Holding
At Kelvion, we pride ourselves on being an excellent employer that champions innovation and sustainability in the HVAC-R industry. Our collaborative work culture fosters creativity and technical excellence, while our commitment to employee growth ensures that you will have ample opportunities to develop your skills and advance your career. Located in a dynamic global environment, you will be part of a team that not only drives customer success but also contributes to a sustainable future, making your work both meaningful and rewarding.
