Salary: £45,000 - 85,000 per year Requirements: Proven experience in network engineering within both IT and OT environments. Strong knowledge of network hardware, including switches, routers, firewalls, and PLC switches. Hands-on experience with structured and fibre optic cabling systems. Effective communicator with the ability to work independently in a highly automated manufacturing environment. Familiarity with network monitoring tools and industrial protocols (Ethernet/IP, Modbus TCP). Understanding of network security, segmentation, and firewall configuration principles. Relevant certifications (e.g., Cisco CCNA/CCNP, CompTIA Network) preferred. Excellent analytical, troubleshooting, and problem-solving skills. Responsibilities: Maintain and monitor IT/OT network performance, ensuring high availability and security. Configure, troubleshoot, and maintain switches, routers, firewalls, and PLC network components. Manage and maintain structured and fibre optic cabling to McCormick standards. Diagnose and resolve network connectivity and firewall issues across IT and OT systems. Collaborate with automation and controls engineers to integrate and support industrial devices. Conduct preventive maintenance and ensure documentation of network assets and configurations. Support network segmentation, cybersecurity, and compliance initiatives. Provide training in fault-finding techniques to the on-site maintenance team. Technologies: Cisco Ethernet Firewall Hardware Support Network PLC Security More: We are McCormick & Company, an equal opportunity employer committed to fostering a diverse and inclusive work environment. We are seeking an experienced IT/OT Network Engineer to support and maintain our integrated IT and OT network infrastructure at our Peterborough site. This fully on-site role ensures the reliability, security, and performance of critical network systems supporting both enterprise and manufacturing operations. Joining our team means contributing to continuous improvement across production and IT environments while enjoying competitive benefits and a supportive work environment. last updated 11 week of 2026