Find network infrastructure architect Jobs in dublin county dublin

Senior IT Security & Network Engineer / Architect 12-Month Contract | Dublin
Hadfield Green —DUBLIN 2, County Dublin
- Communication skills
- Python
Network Architect
Elwood Roberts —Dublin, County Dublin
- €600–€700 a month
- Full-time
Quick apply
Senior Software Architect (100% Remote - Worldwide)
Tether Operations Limited —Dublin, County Dublin
- Full-time
- Remote
- English
- Bachelor's degree
- Communication skills
12d
Software Engineering Architect
Salesforce —Dublin, County Dublin
- Full-time
- Java
- Continuous improvement
- Mentoring
Solutions Architect
DAA —Dublin, County Dublin
- Full-time
- Azure
- Computer Science
- SQL
Software Development Engineer, Core Network
Amazon Data Services Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- AWS
- Bachelor's degree
Solution Architect - Cloud Infrastructure
Aptiv plc —Dublin, County Dublin
- Azure
- Computer Science
- Windows
- Gym membership
Operational Technology (OT) Security Architect
Accenture —Dublin, County Dublin
- Full-time
- No degree
Senior Security Architect
SSE —Dublin, County Dublin
- €58,100–€114,100 a year
- Full-time
- Azure
- AWS
- No degree
- Gym membership
1d
DevOps Engineer, Charles River Development, Officer
State Street —DUBLIN 2, County Dublin
- Full-time
- Azure
- Computer Science
- DevOps
Sr Lead Cybersecurity Architect
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- Customer service
- Leadership
- Communication skills
DC Architect
Tata Consultancy Services —Dublin, County Dublin
- Call to connect
- Azure
- AWS
- Mentoring
13d
Senior Network Development Engineer, GCNA
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- AWS
- C++
- Bachelor's degree
Staff Datacenter Engineer, Architectural Technical Lead
Google —Dublin, County Dublin
- Full-time
- Master's degree
- Bachelor's degree
- No degree
Solution Architect
Sonalake —Dublin, County Dublin
- Hybrid work
- English
- Presentation skills
- Agile
Quick apply
UKI Technology Consulting - Enterprise Architect, Manager, Senior Manager
EY —DUBLIN 2, County Dublin
- Hybrid work
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
- Gym membership
Ecology Graduate - Dublin, IRE - June 2026 start onwards
AECOM —Dublin, County Dublin
- Full-time
- Hybrid work
- Microsoft Word
- Microsoft Excel
- Research
9d
DevSecOps Engineer
Holafly —Dublin, County Dublin
- Remote
- No degree
- Python
- Annual leave
Cloud Security Architect
Analog Devices —Glasnevin, County Dublin
- Full-time
- Azure
- DevOps
- System design
Principal Network Architect - Europe
Grouper —Dublin, County Dublin
- Full-time
- Remote
- Azure
- AWS
- Bachelor's degree
Quick apply

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Senior IT Security & Network Engineer / Architect 12-Month Contract | Dublin

Hadfield Green
DUBLIN 2, County Dublin

Apply Now

Job details

Fixed term

Qualifications

Ansible
Load balancing
LAN
Firewall
Network protocols
REST
WAN
Network architecture
TCP/IP
Communication skills
Python
VPN

Full job description

Hadfield Green are partnering on a fantastic opportunity for a Senior IT Security & Network Engineer / Architect to join a critical cyber security and network services environment on a 12-month contract.

This is a senior technical role for someone who can bridge Cyber Security, Network Operations, and Architecture, leading security-driven network initiatives from design through to delivery.

You’ll act as a key technical lead across complex network and security projects, helping shape resilient, scalable, and secure infrastructure that supports business continuity and operational excellence.

The role

Lead cyber security projects delivering network-related security initiatives across a critical 24×7 operations network.
Design and implement best-practice network architectures focused on scalability, resilience, and security.
Take ownership of enterprise datacentre network design, including ACI fabric, tenants, VRFs, bridge domains, and EPGs.
Configure and manage Cisco NGFW features including IPS, Security Intelligence, Portscan Detection, and Encrypted Visibility Engine.
Manage firewall lifecycle activity including upgrades, policy optimisation, and health monitoring.
Develop secure segmentation strategies aligned to Zero Trust principles.
Use automation tools such as Python, Ansible, and REST APIs.
Design and optimise application delivery using Citrix NetScaler, including load balancing, WAF, content switching, and traffic steering.
Support high-availability and disaster-recovery planning for critical services.
Collaborate with application and infrastructure teams to ensure performance, resilience, and secure traffic flows.
Provide third-line technical support and mentor second-line staff.
Monitor performance and support continuous improvement across key network services.

What we’re looking for

CCIE qualification essential
CISSP qualification advantageous
Strong knowledge of networking protocols and topologies
Experience in security architecture design and implementation
Excellent understanding of TCP/IP, Cisco firewalls, ACI networks, LAN, WAN, and VPN systems
Familiarity with Identity & Access Management (I&AM) and cyber security
Knowledge of threat management and vulnerability assessment
Good working knowledge of ITIL, change management, and continual improvement
Strong communication and documentation skills

What’s on offer

12-month contract
Senior-level technical ownership
A high-impact security and network architecture remit
The chance to work on critical infrastructure with real scale and visibility

If you’re a senior security and network professional looking for your next contract move, this is a standout opportunity.

Interested? Get in touch with Hadfield Green to find out more.

Apply Now

Refine Your Search

network infrastructure architect jobs in dublin county dublin

Senior IT Security & Network Engineer / Architect 12-Month Contract | Dublin

Network Architect

Senior Software Architect (100% Remote - Worldwide)

Software Engineering Architect

Solutions Architect

Software Development Engineer, Core Network

Solution Architect - Cloud Infrastructure

Operational Technology (OT) Security Architect

Senior Security Architect

DevOps Engineer, Charles River Development, Officer

Sr Lead Cybersecurity Architect

DC Architect

Senior Network Development Engineer, GCNA

Staff Datacenter Engineer, Architectural Technical Lead

Solution Architect

UKI Technology Consulting - Enterprise Architect, Manager, Senior Manager

Ecology Graduate - Dublin, IRE - June 2026 start onwards

DevSecOps Engineer

Cloud Security Architect

Principal Network Architect - Europe

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