OT Security Engineer

Would you like to be part of a company with a strong purpose? Aurubis is a leading international multimetal producer and one of the largest copper recyclers worldwide. Our metals are the basis for the green transition, digitalization, and future technologies.
Rock-solid & rolling. Hands-on & high-tech. Skilled & seriously sustainable. This is what drives our 7,000 employees to top performance every day. Join our team and become one of our most valuable elements.

The OT Security Engineer is responsible for supporting the administration, security, and operational reliability of the organization's Operational Technology (OT) environment. This role manages and supports industrial control systems, OT infrastructure, and cybersecurity technologies across manufacturing operations while ensuring system availability, integrity, and compliance with security standards. Working collaboratively with Automation, IT, Operations, Maintenance, Reliability Engineering, and Project Engineering teams, the OT Security Engineer implements cybersecurity controls, manages system lifecycle activities, supports incident response and recovery, performs vulnerability assessments, and drives continuous improvements that strengthen the security and resilience of critical production systems.

• Deploy, configure, and maintain OT servers, workstations, and network devices in a manufacturing setting
• Monitor system health, performance metrics, and logs; escalat
  * incidents as needed
• Apply security patches, firmware updates, and antivirus definitions on OT assets
• Assist in backup and restoration procedures for control-system data
• Support PLCs, SCADA platforms, and HMIs by collaborating with automation engineers
• Document system configurations, network diagrams, and standard operating procedures
• Participate in root-cause analysis for outages and implement corrective measures
• Rotate in an on-call schedule for responding to calls outside of normal business hours
• Contribute to OT security initiatives, such as vulnerability assessments and risk mitigation implementations
• Collaborate closely with local IT, Operations, Reliability Engineering, Maintenance, Project Engineering, and OT Automation

• Bachelor’s degree in cyber security, Information Technology, Computer Science, Engineering, or a related field.
• In lieu of BS Degree, AS with Technical School Certificates and Microsoft certifications and minimum 5 years' experience working in an OT-related field.
• 3-5 years of proven experience in cyber security, OT systems administration, IT systems administration, or related role.
• Relevant certifications from CompTIA, Cisco, Broadcom, Microsoft, or similar are highly desirable and may be used in lieu of a degree.
• Proficiency of various technologies, such as security applications/systems, VMware, Windows Server, Active Directory, system backup solutions, Power Shell, etc.
• Working knowledge of OT systems, such as SCADA and DCS systems, HMIs, PLCs, etc.
• Working knowledge of intrusion prevention systems, SIEM, endpoint protection, security patching, vulnerability management, etc
• Working knowledge of TCP/IP network troubleshooting (switches, firewalls, etc)
• Strong analytical and problem-solving skills to troubleshoot, conduct risk assessments and manage security incidents.
• Excellent written and verbal communication skills to effectively convey security policies, procedures, incident reports, and technical issues to non-technical staff and auditors.
• Ability to work collaboratively with IT, operations, and compliance teams to ensure comprehensive security measures.
• Must be willing and physically able to observe and walk in a smelter environment.
• Must be willing and physically able to work in varying cold and heat situations.
• Could have times that are prolonged periods of walking, standing, and bending.
• Prolonged periods sitting at a desk and working on a computer.
• Must be able to lift up to 50 pounds at times.
• Ability to travel throughout the facility as required to conduct audits and make observations
• Must wear all required PPE when in protected areas.
• Required to reach and grasp with hands and reach with arms.
• Specific vision abilities…