Find detection engineer Jobs in dublin, d

Senior IT Security & Network Engineer / Architect 12-Month Contract | Dublin
Hadfield Green —DUBLIN 2, County Dublin
- Communication skills
- Python
Senior Security Engineer, AWS Security
Amazon Development Centre Ireland Limited - D94 —Dublin, County Dublin
- Full-time
- AWS
- Mentoring
- Scripting
Senior Angular Front-End Engineer
Equifax —Dublin, County Dublin
- Full-time
- Azure
- Engineering
- Java
- Gym membership
- Sick pay
9d
Design Engineer
Mercury Engineering —Blanchardstown, County Dublin
- AutoCAD
- English
- Microsoft Office
AI Security Engineer
Flutter Entertainment —Dublin, County Dublin
- Master's degree
- AWS
- AI
EMEA Cabling Quality Mgr, Global Cabling Quality
Amazon Data Services Ireland Limited —Dublin, County Dublin
- Full-time
- AWS
- Bachelor's degree
- Electrical Engineering
1d
Network Dev Engineer II, ONE Access Engineering (LAN)
Amazon Ireland Support Services Limited —Dublin, County Dublin
- Full-time
- Computer Science
- Master's degree
- AWS
Senior AI Engineer
Sonatus —Dublin, County Dublin
- Hybrid work
- Azure
- Doctoral degree
- Computer Science
Senior InfoSec Engineer (SOC, Splunk, AWS, Scripting)
Ellucian —DUBLIN 4, County Dublin
- Full-time
- AWS
- AI
- Communication skills
- Annual leave
- Referral programme
Operational Technology (OT) Security Architect
Accenture —Dublin, County Dublin
- Full-time
- No degree
BIM Technician - Data Centres
Ethos —Dublin, County Dublin
- Holidays
- Hybrid work
- Communication skills
9d
Software Development Engineer, AWS DMS
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Oracle
- Computer Science
- SQL
Safety Engineer
ElevenLabs —Dublin, County Dublin
- Full-time
- Remote
- DevOps
- Data analysis skills
- SQL
Site Engineer III (Day Shift)
Digital Realty —Dublin, County Dublin
- Full-time
- Analysis skills
- Project management
- Leadership
Lead Electrical Design Engineer, Data Centre Engineering
Amazon Data Services Ireland Limited —Dublin, County Dublin
- Full-time
- AWS
- Bachelor's degree
- Construction
3d
Staff Machine Learning Engineer
Sonatus —Dublin, County Dublin
- Hybrid work
- Doctoral degree
- Computer Science
- Master's degree
- Work from home
GreyMatter Specialist
ReliaQuest, LLC. —Dublin, County Dublin
- English
- Windows
- Bachelor's degree
Security Operations Engineer (Dublin)
KBRA —Dublin, County Dublin
- Full-time
- Azure
- Windows
- AWS
- Annual leave
- Referral programme
Sr. SDE, Amazon Email Services
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- Java
- AWS
Identity Security Engineer
Aer Lingus —Dublin, County Dublin
- Analysis skills
- No degree
- Communication skills

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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

detection engineer jobs in dublin, d

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

Senior Security Engineer, AWS Security

Senior Angular Front-End Engineer

Design Engineer

AI Security Engineer

EMEA Cabling Quality Mgr, Global Cabling Quality

Network Dev Engineer II, ONE Access Engineering (LAN)

Senior AI Engineer

Senior InfoSec Engineer (SOC, Splunk, AWS, Scripting)

Operational Technology (OT) Security Architect

BIM Technician - Data Centres

Software Development Engineer, AWS DMS

Safety Engineer

Site Engineer III (Day Shift)

Lead Electrical Design Engineer, Data Centre Engineering

Staff Machine Learning Engineer

GreyMatter Specialist

Security Operations Engineer (Dublin)

Sr. SDE, Amazon Email Services

Identity Security Engineer

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