Find traffic management Jobs in blanchardstown county dublin

Senior IT Security & Network Engineer / Architect 12-Month Contract | Dublin
Hadfield Green —DUBLIN 2, County Dublin
- Communication skills
- Python
SRE Tech Lead - Cloud Infrastructure
TikTok —Dublin, County Dublin
- Computer Science
- Master's degree
- Bachelor's degree
Senior Resident Engineer
DBFL Consulting Engineers —Dublin, County Dublin
- Full-time
- AutoCAD
- English
- Microsoft Office
- Annual leave
Quick apply
Software Engineering Manager, Site Reliability Engineering, Zero-Trust Context
Google —Dublin, County Dublin
- Full-time
- Computer Science
- System design
- Master's degree
Project Manager
JJ Rhatigan & Company —Dublin, County Dublin
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
Principal Software Engineer, Amazon DynamoDB
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- AWS
- Software development
- SDLC
Senior Software Dev Manager, DynamoDB
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Engineering
- AWS
- Team management
Resident Engineer (Project Opera)
PUNCH Consulting Engineers —Dublin, County Dublin
- Full-time
- Engineering
- Hotel
- In-person
- Annual leave
Principal Network Architect - Europe
Grouper —Dublin, County Dublin
- Full-time
- Remote
- Azure
- AWS
- Bachelor's degree
Quick apply
Software Engineer III - Test Framework
Adswizz —Dublin, County Dublin
- Full-time
- Computer Science
- Customer service
- Engineering
Network Dev Engineer II, ONE Access Engineering (LAN)
Amazon Ireland Support Services Limited —Dublin, County Dublin
- Full-time
- Computer Science
- Master's degree
- AWS
Software Engineer III - Test Framework
Sirius XM —Dublin, County Dublin
- Full-time
- Remote
- Computer Science
- Customer service
- Engineering
Design Engineer - Transportation
Roughan & O'Donovan —Santry, County Dublin
- Microsoft Word
- AutoCAD
- Microsoft Excel
Senior Civil Engineer
PUNCH Consulting Engineers —Dublin, County Dublin
- Hybrid work
- Microsoft Word
- AutoCAD
- Microsoft Excel
Principal Software Engineer
Global-e —Dublin, County Dublin
- Full-time
- AWS
- No degree
- Agile
Quick apply
Senior Software Engineer - Logistics
Global-e —Dublin, County Dublin
- Full-time
- AWS
- No degree
- Agile
Quick apply
Senior II Backend Engineer
Ethyca —Dublin, County Dublin
- Full-time
- Azure
- System design
- AWS
Quick apply
Senior Resident Engineer
PUNCH Consulting Engineers —Dublin, County Dublin
- Full-time
- Management
- Engineering
- English

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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

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traffic management jobs in blanchardstown county dublin

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

SRE Tech Lead - Cloud Infrastructure

Senior Resident Engineer

Software Engineering Manager, Site Reliability Engineering, Zero-Trust Context

Project Manager

Principal Software Engineer, Amazon DynamoDB

Senior Software Dev Manager, DynamoDB

Resident Engineer (Project Opera)

Principal Network Architect - Europe

Software Engineer III - Test Framework

Network Dev Engineer II, ONE Access Engineering (LAN)

Software Engineer III - Test Framework

Design Engineer - Transportation

Senior Civil Engineer

Principal Software Engineer

Senior Software Engineer - Logistics

Senior II Backend Engineer

Senior Resident Engineer

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