Find cyber security Jobs in dublin, d

Senior IT Security & Network Engineer / Architect 12-Month Contract | Dublin
Hadfield Green —DUBLIN 2, County Dublin
- Communication skills
- Python
Security Engineer III - Application Security
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- AWS
- Agile
- AI
1d
Information Security Engineer
Grouper —Dublin, County Dublin
- Full-time
- Remote
- Azure
- Computer Science
- Windows
Quick apply
Staff Security Engineer - Detection & Response
Crusoe —Dublin, County Dublin
- Full-time
- No degree
- Scripting
- Linux
Quick apply
Security Solutions Architect
Vodafone —Dublin, County Dublin
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
- Annual leave
7d
Lead Cloud Security Engineer
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- DevOps
- AWS
- Analysis skills
Senior Security Engineer
Cubic³ —Dublin, County Dublin
- Full-time
- Hybrid work
- Azure
- Computer Science
- Windows
14d
Cloud Security Analyst
LTM —Dublin, County Dublin
- Azure
- AWS
- Scripting
Quick apply
Physical Security Systems Manager
EdgeConneX —Dublin, County Dublin
- AutoCAD
- Engineering
- Bachelor's degree
Quick apply
Senior Information Security Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Engineering
- Data analysis skills
- No degree
Lead Security Engineer - AI/ML
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- Master's degree
- Scripting
- In-person
Lead Security Architect - Flutter Functions
Flutter Entertainment —Dublin, County Dublin
- Full-time
- AWS
- Agile
- AI
Lead Program Security Engineer
Mastercard —Dublin, County Dublin
- Full-time
- DevOps
- AI
- Leadership
13d
Senior Cloud Security Engineer
Davy —Dublin, County Dublin
- Full-time
- Hybrid work
- Azure
- Computer Science
- Salesforce
- Employee assistance program
Quick apply
Identity & Access Management | Director | Cyber Consulting | Advisory
PwC —Dublin, County Dublin
- Full-time
- Azure
- Computer Science
- Master's degree
IT Audit & Security Manager / IT Audit & Security Senior Manager
Forvis Mazars —DUBLIN 2, County Dublin
- Engineering
- English
- Project management
Sr Lead Cybersecurity Architect
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- Customer service
- Leadership
- Communication skills
Senior PSIRT Incident Responder
DocuSign —Dublin, County Dublin
- On call
- Azure
- Computer Science
- SQL
14d
Team Lead Engineering - Developer Experience (Remote)
SoSafe —Dublin, County Dublin
- Full-time
- Remote
- AWS
- Leadership
- Referral programme
Digital Solution Specialist - Security - German Speaking
Microsoft —Dublin, County Dublin
- Full-time
- English
- Bachelor's degree
- No degree

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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

cyber security jobs in dublin, d

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

Security Engineer III - Application Security

Information Security Engineer

Staff Security Engineer - Detection & Response

Security Solutions Architect

Lead Cloud Security Engineer

Senior Security Engineer

Cloud Security Analyst

Physical Security Systems Manager

Senior Information Security Engineer

Lead Security Engineer - AI/ML

Lead Security Architect - Flutter Functions

Lead Program Security Engineer

Senior Cloud Security Engineer

Identity & Access Management | Director | Cyber Consulting | Advisory

IT Audit & Security Manager / IT Audit & Security Senior Manager

Sr Lead Cybersecurity Architect

Senior PSIRT Incident Responder

Team Lead Engineering - Developer Experience (Remote)

Digital Solution Specialist - Security - German Speaking

I want to receive the latest job alerts for cyber security in dublin, d

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