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
Technology Risk Assurance Consultant or Manager
RSM —Dublin, County Dublin
- Oracle
- Computer Science
- ERP systems
Quick apply
Team Lead Engineering - Developer Experience (Remote)
SoSafe —Dublin, County Dublin
- Full-time
- Remote
- AWS
- Leadership
- Referral programme
Deals, Senior Associate - Forensic Claims, Investigations and Audit
PwC —Dublin, County Dublin
- Full-time
- Data analysis skills
- Accounting
- Recruiting
Senior Security Engineer, Detection and Response
Crusoe —Dublin, County Dublin
- Full-time
- Windows
- Mentoring
- Scripting
Quick apply
Lead Security Architect - Flutter Functions
Flutter Entertainment —Dublin, County Dublin
- Full-time
- AWS
- Agile
- AI
Senior AI Security Engineer (R-19324)
Dun & Bradstreet —Dublin, County Dublin
- Full-time
- Hybrid work
- Azure
- Computer Science
- English
- Annual leave
Quick apply
Head of Cybersecurity Engagement & Enablement
Flutter Entertainment —Dublin, County Dublin
- Full-time
- Hybrid work
- AWS
- AI
- Leadership
- Gym membership
Incident Response Senior Analyst - Dublin
CRH Group Services Ltd. —Dublin, County Dublin
- Full-time
- Azure
- Research
- AWS
Quick apply
Forensic Services - Forensic Claims, Investigations and Audit Senior Manager - Deals
PwC —Dublin, County Dublin
- Full-time
- Accounting
- Recruiting
- Leadership
Full Stack Cybercrime Engineer
eBay Inc. —Dublin, County Dublin
- Full-time
- Computer Science
- Research
- Java
Principal OT Cybersecurity Consultant
Jacobs —Dublin, County Dublin
- Hybrid work
- IT
- Communication skills
Risk & Regulatory - Manager
PwC —Dublin, County Dublin
- Full-time
- Organisational skills
- Business
- Communication skills
Senior Legal Counsel – Cybersecurity & Data Protection
paypal —Dublin, County Dublin
- Full-time
- Doctoral degree
- Project management
- Annual leave
10d
Forensic Accounting Manager - Deals - Forensic Claims, Investigations and Audit
PwC —Dublin, County Dublin
- Full-time
- Data analysis skills
- Analysis skills
- Accounting
Senior Applied Scientist, AWS Security
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Doctoral degree
- Research
- Master's degree
1d

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Technology Risk Assurance Consultant or Manager
RSM —Dublin, County Dublin
The successful candidate will ideally have the following skills and qualifications: You will work across both audit and non-audit assignments, with a strong…
Quick apply
Services Financial Crimes Risk - High Risk Client Activity (Director)
Citi —Dublin, County Dublin
For complementary skills, please see above and/or contact the recruiter. By joining Citi, you will become part of a global organisation whose mission is to…
€130,000–€230,000 a year
12d

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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

Technology Risk Assurance Consultant or Manager

Team Lead Engineering - Developer Experience (Remote)

Deals, Senior Associate - Forensic Claims, Investigations and Audit

Senior Security Engineer, Detection and Response

Lead Security Architect - Flutter Functions

Senior AI Security Engineer (R-19324)

Head of Cybersecurity Engagement & Enablement

Incident Response Senior Analyst - Dublin

Forensic Services - Forensic Claims, Investigations and Audit Senior Manager - Deals

Full Stack Cybercrime Engineer

Principal OT Cybersecurity Consultant

Risk & Regulatory - Manager

Senior Legal Counsel – Cybersecurity & Data Protection

Forensic Accounting Manager - Deals - Forensic Claims, Investigations and Audit

Senior Applied Scientist, AWS Security

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