Find Senior network security engineer Jobs in Dublin, D

Sr. Network Engineer
Glanbia Foods —Citywest, County Dublin
- Hybrid work
- Computer Science
- Bachelor's degree
Senior Platform Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Communication skills
11d
Senior Site Reliability Engineer - CloudVision
Arista Networks —Dublin, County Dublin
- Full-time
- Remote
- Azure
- Computer Science
- Software troubleshooting
Quick apply
Agentic AI - Senior Software Engineer
Mastercard —Dublin, County Dublin
- Full-time
- System design
- Java
- JavaScript
11d
Senior Infrastructure Security Engineer
Crusoe —Dublin, County Dublin
- Full-time
- AWS
- Linux
- AI
Quick apply
10d
Senior Data Center Engineer, Electrical Architecture
Google —Dublin, County Dublin
- €84,000–€113,000 a year
- Full-time
- Engineering
- Master's degree
- Bachelor's degree
14d
Senior Cyber Incident Response Analyst
Integrity360 —Dublin, County Dublin
- Windows
Director of Software Engineering
Mastercard —Dublin, County Dublin
- Full-time
- Azure
- Computer Science
- DevOps
Vice President & Founding Technology Lead, AI Engineering & Consulting Platforms
Mastercard —Dublin, County Dublin
- Full-time
- Computer Science
- Engineering
- Presentation skills
3d
Director of Cloud, Enterprise Operations
Mastercard —Dublin, County Dublin
- Full-time
- Azure
- DevOps
- English
6d
Lead Software Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Azure
- System design
- Java
Development Manager
Sentrium —Dublin, County Dublin
- Remote
- Team management
- AI
- Leadership
- Annual leave
Cloud Engineer, VP
Sumitomo Mitsui Banking Corporation —Dublin, County Dublin
- Azure
- AWS
Manager, Support and Retention Experience
Mastercard —Dublin, County Dublin
- Full-time
Associate Systems Administrator
CarGurus —Dublin, County Dublin
- €38,000–€48,000 a year
- On call
- Communication skills
Associate Business Developer , Data Center Supply Solutions EMEA, Data Centre Supply Solutions
Amazon Data Services Ireland Limited —Dublin, County Dublin
- Full-time
- AWS
- Organisational skills
- Contracts
Network Development Manager, Network Fabric Engineering, Access Networks
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer science
- Management
- Computer Science
14d
Director, Software Engineering
Mastercard —Dublin, County Dublin
- Full-time
- Computer Science
- Bachelor's degree
- No degree
Sr Software Eng
PlayStation Global —Dublin, County Dublin
- €87,800–€131,800 a year
- Computer Science
- C++
- Bachelor's degree
Quick apply
Data Architect
Deloitte —Dublin, County Dublin
- €90,000 a year
- Full-time
- Azure
- Computer Science
- Engineering

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Sr. Network Engineer

Glanbia Foods -
Citywest, County Dublin

Apply Now

Job details

Qualifications

Computer Science
Vendor management
LAN
Firewall
Bachelor's degree
WAN
Root cause analysis
Network security
VPN

Full job description

Date: 16 Jul 2026

Location: Citywest Business Campus, D, IE, D24 PE08

Company: Glanbia

Senior Network Engineer

Location – Dublin / Kilkenny

Glanbia Business Services

Join this dynamic team focused on delivering better nutrition for every step of life’s journey.

The Opportunity

This role is a critical member of the GBS Network & Technical Security Team. The team supports a global network spanning 150 locations, ranging from corporate headquarters to major food production plants, warehouses, depots, and retail branches. The network’s core infrastructure resides in data centers located in Dublin, Ireland, and Illinois, providing a highly resilient network environment.

Glanbia has embarked on a significant digital transformation with a Cloud-first strategy, necessitating major advancements in Network & Network Security technologies. This role actively participates in this evolution program on a day-to-day basis.

The network plays a crucial role in transmitting data for business-critical applications such as M365, Teams, video conferencing, collaboration tools, Manufacturing Execution Systems, Controls & Automation systems, and SAP. Separate teams within Glanbia support these applications and services, collaborating closely with the Network & Technical Security Team. Together, they ensure an efficient and highly resilient network backbone and foundation for these essential services.

Job Responsibilities

Support & troubleshoot Cisco network environment located across Ireland, Europe, US & ASPAC
Support & troubleshoot Palo Alto Firewall estate
Support & troubleshoot Palo Alto Global Protect Remote Access Solution
Lead or participate in key deployment projects such as SD-WAN & LAN transformation
Work both independently and as part of a team in delivering on-time and on-budget network projects
Provide level 3 network support to Global ServiceDesk on customer network issues relating to LAN, WLAN, WAN, VPN, Firewall filtering & web security/proxy service
Work closely with managed network and security partners, ensuring they are delivering service to the agreed SLAs, verifying reports from service partners, assessing Root Cause Analysis documents

The Skills you will bring to the team

Bachelor’s degree in Information Systems, Computer Science, or related discipline; or equivalent combination of education and experience
5+ years of experience in enterprise routing, switching, and network security
Vendor management: Experience in a managed-service environment (as a customer or as a provider)
Strong experience troubleshooting enterprise network & security issues
Strong working knowledge of firewall design and network security protocols
Good knowledge of Cisco routing, switching & WiFi protocols
Ability to document and illustrate network proposals and solutions in an articulate manner
Ability to communicate ideas and solutions with all stakeholders & customers
Strong team player & works on their own

If you think you have what it takes, but don't necessarily meet every single point on the job description, please apply!

Where and How You Will Work

The opportunity will be based in Dublin/ Kilkenny with hybrid working arrangements available, which allows you greater choice in how you work and live, giving you a better work-life balance.

What We Would Like to Offer You

The opportunity to develop your career on a global stage, continuous learning through an on-demand learning platform, and a competitive compensation package including staff discounts, generous family leave policy, health plan, pension and competitive salary.

About Glanbia

Glanbia is a better nutrition company with three divisions: Performance Nutrition, Health & Nutrition and Dairy Nutrition. Collectively and with our partners we offer an incredible breadth of expertise in nutrition. We employ a team of 6000 people, work with global food and beverage companies, and sell our award-winning and market-leading brands and ingredients in more than 100 countries worldwide.

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

Apply Now

Refine Your Search

senior network security engineer jobs in dublin, d

Sr. Network Engineer

Senior Platform Engineer

Senior Site Reliability Engineer - CloudVision

Agentic AI - Senior Software Engineer

Senior Infrastructure Security Engineer

Senior Data Center Engineer, Electrical Architecture

Senior Cyber Incident Response Analyst

Director of Software Engineering

Vice President & Founding Technology Lead, AI Engineering & Consulting Platforms

Director of Cloud, Enterprise Operations

Lead Software Engineer

Development Manager

Cloud Engineer, VP

Manager, Support and Retention Experience

Associate Systems Administrator

Associate Business Developer , Data Center Supply Solutions EMEA, Data Centre Supply Solutions

Network Development Manager, Network Fabric Engineering, Access Networks

Director, Software Engineering

Sr Software Eng

Data Architect

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