Senior Network Security Engineer - OT
UK Visa Sponsorship Analytics
Occupation Type
Cyber security professionals
Occupation Code Skill LevelHigher Skilled
Sponsorship Salary Threshold
£48,500
(£24.87 per hour)
Occupation rate applies
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Description
At Elanco (NYSE: ELAN) – it all starts with animals!
As a global leader in animal health, we are dedicated to innovation and delivering products and services to prevent and treat disease in farm animals and pets. At Elanco, we are driven by our vision of Food and Companionship Enriching Life and our purpose – all to Go Beyond for Animals, Customers, Society and Our People.
At Elanco, we pride ourselves on fostering a diverse and inclusive work environment. We believe that diversity is the driving force behind innovation, creativity, and overall business success. Here, you’ll be part of a company that values and champions new ways of thinking, work with dynamic individuals, and acquire new skills and experiences that will propel your career to new heights.
Making animals’ lives better makes life better – join our team today!
We are seeking a Senior Network Security Engineer (OT) to assist us in designing and implementing firewall and network access control (NAC) technology solutions across IT and OT networks. The Senior Network Security Engineer will contribute to delivering various technical products in collaboration with other engineers, architects, and operational support teams.
The Senior Network Security Engineer will be part of the team responsible for developing and supporting Elanco’s Network Security Platform. The team collaborates closely with technical service owners, architects, and the operations team to continuously raise the reliability bar for our services while guiding the adoption of Elanco’s network and security platform. The team provides direction for implementing modern technologies and a zero-trust strategy throughout all stages of the service development life cycle.
Your Responsibilities:
As a global leader in animal health, we are dedicated to innovation and delivering products and services to prevent and treat disease in farm animals and pets. At Elanco, we are driven by our vision of Food and Companionship Enriching Life and our purpose – all to Go Beyond for Animals, Customers, Society and Our People.
At Elanco, we pride ourselves on fostering a diverse and inclusive work environment. We believe that diversity is the driving force behind innovation, creativity, and overall business success. Here, you’ll be part of a company that values and champions new ways of thinking, work with dynamic individuals, and acquire new skills and experiences that will propel your career to new heights.
Making animals’ lives better makes life better – join our team today!
We are seeking a Senior Network Security Engineer (OT) to assist us in designing and implementing firewall and network access control (NAC) technology solutions across IT and OT networks. The Senior Network Security Engineer will contribute to delivering various technical products in collaboration with other engineers, architects, and operational support teams.
The Senior Network Security Engineer will be part of the team responsible for developing and supporting Elanco’s Network Security Platform. The team collaborates closely with technical service owners, architects, and the operations team to continuously raise the reliability bar for our services while guiding the adoption of Elanco’s network and security platform. The team provides direction for implementing modern technologies and a zero-trust strategy throughout all stages of the service development life cycle.
Your 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.
- Design and implement Network Security Policy Management (NSPM) solutions to support rule lifecycle governance, risk analysis, attestation, and compliance validation.
- Drive policy lifecycle management across firewalls and NAC, including rule review, optimization, consolidation, and risk reduction.
- 5+ years of network security engineering experience, including hands-on design and administration of Palo Alto Networks next-generation firewalls
- Experience with Palo Alto Panorama, logging infrastructure, Global Protect VPN, licensing, and related cloud-delivered security services
- Proven experience designing and implementing segmentation strategies in enterprise and manufacturing/OT-heavy environments
- Experience in engineering or administering a Network Access Control platform (e.g., Forescout CounterACT), including visibility, classification, and enforcement workflows
- Experience deploying and integrating Palo Alto VM-Series firewalls within Azure or GCP cloud environments.
- Experience working in manufacturing, OT, or other regulated environments with an understanding of industrial systems and operational constraints
Bachelor’s Degree or commensurate industry experience
Other Information:
Working across time zones to support the global business may be required.
Overseas travel might be required
Don’t meet every single requirement? Studies have shown underrecognized groups are less likely to apply to jobs unless they meet every single qualification. At Elanco we are dedicated to building a diverse and inclusive work environment. If you think you might be a good fit for a role but don't necessarily meet every requirement, we encourage you to apply. You may be the right candidate for this role or other roles!
Elanco is an EEO/Affirmative Action Employer and does not discriminate on the basis of age, race, color, religion, gender, sexual orientation, gender identity, gender expression, national origin, protected veteran status, disability or any other legally protected status