Senior OT Security Specialist (m/w/d)

Overview

Senior Specialist Operational Technology Security (m/w/d) at SIG Group.

Responsibilities

• Discover and catalog OT assets, build and maintain accurate asset inventories, and develop and maintain full asset lifecycle management.
• Conduct risk management and vulnerability management on OT networks, devices, and processes.
• Collaborate with IT, Production, engineering, QC, and maintenance teams for the vulnerability management implementation.
• Extend IT security processes to OT environments. Develop, document, and enforce Global OT security policies and procedures aligned to IEC 62443, NIST CSF, and ISO 27001.
• Design and implement network segmentation, zone-based firewalls, and secure architectures for OT environments.
• Deploy and manage OT-focused security tools to detect and mitigate advanced threats.
• Coordinate with the global SOC for security incident and event monitoring and analysis in OT operations, including plan and execute penetration tests and red team exercises in OT landscapes.
• Supplier relationships security management and embedding security requirements into contracts.
• Define and roll out a global Secure Development Lifecycle (SDLC) for OT environment.
• Provide training and awareness sessions on secure OT practices and emergency response protocols. Stay current on emerging OT threats, vulnerabilities, and best practices in industrial cybersecurity.

Qualifications

• Bachelor’s degree in Computer Science, Cybersecurity, Electrical/Mechanical Engineering, or related field.
• 3+ years of combined OT engineering and cybersecurity experience, including work in Aseptic & Chilled or BiB environments.
• Hands-on expertise with SCADA, PLC, DCS platforms and industrial protocols (Modbus, DNP3, OPC, Ethernet/IP).
• Proven ability to implement and manage OT security frameworks (IEC 62443, NIST CSF, ISO 27001).
• Experience with vulnerability assessment and penetration testing tools for OT (e.g., Nozomi, Claroty, SCADAfence).
• Strong understanding of network segmentation, firewalls, IDS/IPS in industrial settings.
• Solid grasp of automation, mechanical, and electrical control systems.
• Excellent analytical, problem-solving, and communication skills.

About SIG

SIG is a leading provider of packaging systems and solutions for better. We work in partnership with our customers to bring food products to consumers around the world in a safe, sustainable, and affordable way. We are the only packaging system supplier covering carton, pouch, and bag-in-box. Our versatile technology and product innovation capacity enable us to deliver better for customers, for consumers, and for the world. Founded in 1853, SIG is headquartered in Neuhausen, Switzerland, and listed at the SIX Swiss Exchange.