6 of 6 DMZ Jobs in the North of England

Access Control. Support Cisco switching, wireless networks, wireless LAN controllers and associated networking technologies. Administer and support Fortigate firewalls, including firewall policies, VPNs and DMZ environments. Ensure network infrastructure remains secure through patching, upgrades, hardening activities and cyber security compliance initiatives. Investigate and resolve networking incidents, problems and service requests ...

knowledge of Cisco Catalyst Centre - device management, assurance, and automation workflows. Understanding of OT network architecture, including the Perdue Model and IT/OT DMZ design. Familiarity with OT protocols: Modbus, DNP3, EtherNet/IP, PROFINET, IEC 61850, or OPC-UA. Experience writing Terraform configurations for infrastructure provisioning Exposure ...

certificate management and cryptographic key management. Familiarity with industrial protocols such as DNP3, IEC 61850, Modbus and IEC 62351. Understanding of OT network segmentation, DMZ design and the Purdue Model. Awareness of IEC 62443, NERC CIP and NCSC CAF requirements. Experience supporting proof-of-concept testing, failover validation ...

secure-by-design controls into industrial systems and operational technology platforms. Lead design assurance across OT network segmentation, zone and conduit modelling, and industrial DMZ architectures. Identify architectural gaps within existing OT estates and define pragmatic remediation roadmaps. Align OT security architecture to recognised frameworks and regulatory requirements. Collaborate with ...

secure-by-design controls into business applications, cloud platforms, and enterprise systems. Lead design assurance across network segmentation, zero-trust architectures, and secure cloud DMZ models. Identify architectural gaps within existing enterprise estates and define pragmatic remediation roadmaps. Align enterprise security architecture to recognised frameworks and regulatory requirements. Collaborate with ...

Senior Network Design Engineer (Rail Communications) York preferred (On-Site) Outside IR35 Contract Major UK Rail Infrastructure Programmes We are seeking a Senior Network Design Engineer to support the delivery of secure telecoms, operational technology ...