Share this Job

Network & Network Security Engineer

Date: May 7, 2022

Location: Dublin, L, IE

Company: Glanbia

Glanbia Business Services

Network & Network Security Engineer




An opportunity has arisen on a permanent basis for a Network and Network Security Engineer. They will join the GBS Network & Technical Security Team to support the Glanbia Global network and will report to the Network Architect. The team works very closely with service partners and key vendors to deliver network and network security services to the business. This role will be heavily involved in key network and network security projects and also in the day-to-day management of the global network.


The GBS Network & Technical Security Team support a global network spanning 150 locations worldwide – manufacturing plants to warehouses and corporate offices to datacentres. The network must support seamless transmission of business critical applications, internet and cloud services. The organisation has embarked on an all-encompassing digital transformation with a Cloud-first strategy that requires a major evolution within the Network & Network Security technologies. This role will be involved in the delivery of the Network Transformation programme of work.



The base location of the role will be either Citywest, Dublin 24 OR Kilkenny, with a blended working arrangement available through our Smart working model which allows you a greater choice in how you work and live, giving you a better work-life balance.


Glanbia plc is a global nutrition business with leading global positions in the dairy, premix and sports nutrition markets. Glanbia is headquartered in Ireland and has very significant operations and markets in the US. We have the #1 Global Portfolio of Sports Nutrition Brands, and are the #1 producer of America Style Cheddar Cheese. For more information about Glanbia, visit


Role Summary & Responsibilities

  • Ensure network, firewall and webproxy change requests are actioned through the approved change management process
  • Provide level 2/3 network support to Servicedesk for internal customer network issues relating to LAN, WLAN, WAN, VPN & firewall filtering
  • Assess service provider reports and reporting tools
  • Assist in management of global Cisco network devices (1200+)
  • Assist in management of global enterprise firewall estate consisting of Checkpoint, Palo Alto & Cisco ASA technology
  • Assist technical leads in global and local network deployment projects to ensure smooth delivery of network installations and to deliver to agreed network standards
  • Vendor management within a managed-service environment is a key part of the role, reporting of key SLAs and KPIs and driving the service providers to deliver to those metrics and provide a high level of customer experience


Previous Experience and Skill-level

  • 5+ years of experience in network engineering and network security
  • Strong knowledge of routing, switching & wireless protocols & architectures (802.1Q, LACP, EIGRP, BGP, HSRP (at least one area)
  • Good understanding of firewall functions and network security protocols (IPSec VPNs, NAT, SRA, SWG (at least one area)
  • Some experience with managed-service partners and vendor management
  • Experience troubleshooting and solutioning enterprise network issues
  • Experience managing and troubleshooting SD-WAN is desirable
  • Knowledge of fibre-optic cabling, structured cabling systems, electrical power & best practices (Cat6a, OM4, OS2)
  • Strong documentation and illustration skills of physical and logical network topologies
  • Ability to communicate well to internal customers & 3rd party vendors
  • Strong team-player & works on own initiative


At Glanbia, we celebrate diversity, because we know that our individual strengths make us stronger together. We welcome and encourage interest from a wide variety of candidates, and we will give your application consideration, without regard to race, color, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, or disability status. 


At Glanbia our culture will celebrate individuality, knowing that together we are more.