Find Cybersecurity Jobs in Dublin, D

Senior IT Security & Network Engineer / Architect 12-Month Contract | Dublin
Hadfield Green —DUBLIN 2, County Dublin
- Communication skills
- Python
Cloud Security Architect
Analog Devices —Glasnevin, County Dublin
- Full-time
- Azure
- DevOps
- System design
Security Engineer III - Application Security
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- AWS
- Agile
- AI
2d
Full Stack Cybercrime Operator
eBay Inc. —Dublin, County Dublin
- Full-time
- Computer Science
- Research
- Java
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
Data Risk & AI Security | Senior Associate | Cyber Consulting | Advisory
PwC —Dublin, County Dublin
- Full-time
- Azure
- Computer Science
- Bachelor's degree
Head of Cyber Operations & Delivery
Flutter Entertainment —Dublin, County Dublin
- Hybrid work
- Project management
- Business
- Time management
- Gym membership
7d
Lead Cloud Security Engineer
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- DevOps
- AWS
- Analysis skills
Senior Security Engineer, AWS Security
Amazon Development Centre Ireland Limited - D94 —Dublin, County Dublin
- Full-time
- AWS
- Mentoring
- Scripting
Lead Security Engineer - AI/ML
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- Master's degree
- Scripting
- In-person
Application Security Manager, re:Cycle Reverse Logistics
Re:Cycle Reverse Logistics Ireland Limited —Dublin, County Dublin
- Full-time
- Java
- C++
- Bachelor's degree
14d
Senior Security Engineer
Elwood Roberts —Dublin, County Dublin
- €75,000–€85,000 a month
- Full-time
- Hybrid work
- Azure
- AWS
- Agile
Quick apply
Information Security Program Manager_1570
Allianz —Dublin, County Dublin
- Full-time
- Computer Science
- English
- Bachelor's degree
- Employee discount
Senior Information Security Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Engineering
- Data analysis skills
- No degree
Senior PSIRT Incident Responder
DocuSign —Dublin, County Dublin
- On call
- Azure
- Computer Science
- SQL
Cloud Security Analyst
LTM —Dublin, County Dublin
- Azure
- AWS
- Scripting
Quick apply
Team Lead Engineering - Developer Experience (Remote)
SoSafe —Dublin, County Dublin
- Full-time
- Remote
- AWS
- Leadership
- Referral programme
Security Architect
Elwood Roberts —Dublin, County Dublin
- €85,000–€95,000 a month
- Full-time
- Hybrid work
- System design
- Software development
- Leadership
Quick apply
Product Operations Specialist
SoSafe —Dublin, County Dublin
- Full-time
- Remote
- Communication skills
- Referral programme

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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

cybersecurity jobs in dublin, d

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

Cloud Security Architect

Security Engineer III - Application Security

Full Stack Cybercrime Operator

Information Security Engineer

Staff Security Engineer - Detection & Response

Data Risk & AI Security | Senior Associate | Cyber Consulting | Advisory

Head of Cyber Operations & Delivery

Lead Cloud Security Engineer

Senior Security Engineer, AWS Security

Lead Security Engineer - AI/ML

Application Security Manager, re:Cycle Reverse Logistics

Senior Security Engineer

Information Security Program Manager_1570

Senior Information Security Engineer

Senior PSIRT Incident Responder

Cloud Security Analyst

Team Lead Engineering - Developer Experience (Remote)

Security Architect

Product Operations Specialist

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

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