💼 Full-Time Position

Senior Network Security Engineer - OT

🏢
Elanco
📍 Hook, England, United Kingdom
📍
Location
Hook, United Kingdom
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Posted
May 28, 2026
Type
Full-Time
🎯

Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

Job Description

Responsibilities:

  • Partner with InfoSec and Network Architecture to define and evolve enterprise firewall, NAC, and segmentation architecture across corporate and manufacturing environments.

  • Lead design, implementation, and lifecycle management of Palo Alto firewall policies, zone-based segmentation, and security services, including secure north-south and east-west controls.

  • Design and enforce segmentation strategies aligned to Purdue Model principles in manufacturing networks, balancing cybersecurity, availability, safety, and regulatory requirements.

  • Apply security controls with awareness of industrial protocols such as Modbus/TCP, EtherNet/IP (CIP), PROFINET, OPC/OPC-UA, DNP3, and BACnet, accounting for legacy systems and deterministic traffic flows.

  • Own medium- to high-complexity firewall and NAC initiatives from design through operational handover, including structured documentation and runbooks....