Find Senior it infrastructure administrator, networking Jobs in Lusk County Dublin

Senior IT Infrastructure Administrator, Networking
Confluence Technologies —Dublin, County Dublin
- Full-time
- Hybrid work
- Scripting
- IT
- Python
- Annual leave
- Referral programme
Quick apply
Senior Technical Support Engineer (L3)
FOODHUB —Dublin, County Dublin
- €50,000–€65,000 a year
- Full-time
- Hybrid work
- Hospitality
- Azure
- Windows
- Annual leave
Quick apply
Senior IT Lead and Delivery Manager
Teleperformance —Dublin 07, County Dublin
- Full-time
- Azure
- Computer Science
- Master's degree
Helpdesk Support Engineer
Diacom Computer and Telephony Limited —DUBLIN 2, County Dublin
- €30,000–€34,000 a year
- Full-time
- Hybrid work
- Computer Science
- Customer service
- Bachelor's degree
- Work from home
Quick apply
Client Success & Growth Manager
The Website Shop —Harold's Cross, County Dublin
- €40,000–€48,000 a year
- Full-time
- Customer service
- Business development
- Project management
Quick apply
7d
Senior Infrastructure Engineer - Dublin
Seapoint —Dublin, County Dublin
- Hybrid work
- DevOps
- AWS
- Linux
Quick apply
Senior Network Engineer
Salesforce —Dublin, County Dublin
- Full-time
- Engineering
- Analysis skills
- No degree
Sr IT Infrastructure Engineer EMEA
Qorvo —DUBLIN 8, County Dublin
- On call
- Computer Science
- English
- Windows
Technology Infrastructure Assistant Vice President
Sumitomo Mitsui Banking Corporation —Dublin, County Dublin
- €57,000–€107,000 a year
- Weekend availability
- Hybrid work
- IT
- Communication skills
- Annual leave
Hardware Technician
Grupo Orenes —Dublin, County Dublin
- Part-time
- Software troubleshooting
Quick apply
Sales Manager IT (5years+)
DEX —Dublin, County Dublin
- €55,000–€60,000 a year
- Full-time
- Sales
- Presentation skills
- Bachelor's degree
Quick apply
7d
Macra Make the Moove Project Manager
Macra na Feirme —Dublin, County Dublin
- €50,000–€55,000 a year
- Part-time
- Hybrid work
- Project management
- Communication skills
- Work from home
- Employee assistance program
Quick apply
7d
Infrastructure Engineer
Crusoe —Dublin, County Dublin
- Full-time
- Computer Science
- Analysis skills
- Bachelor's degree
Quick apply
Desktop & Site Support Engineer
Teleperformance —Dublin, County Dublin
- Management
- Customer service
- Windows
Quick apply
IT Manager
D/RES Properties —Donnybrook, County Dublin
- Full-time
- Microsoft Access
- Computer Science
- Master's degree
Senior Penetration Tester
Integrity360 —Dublin, County Dublin
- Computer Science
- Windows
- Java
Service Desk Manager
Viatel —Dublin, County Dublin
- €60,000–€70,000 a year
- Azure
- Customer service
- Analysis skills
9d
IT Infrastructure Analyst (IT Knowledge Management – Communication and Documentation)
Eurofins —Dublin, County Dublin
- Full-time
- Hybrid work
- Computer science
- English
- Analysis skills
Quick apply
2d
Senior Associate, IT, Network Engineer (Fixed Term Contract - 12 Month)
MUFG Investor Services —Dublin, County Dublin
- Full-time
- Azure
- Computer Science
- AWS
Quick apply
Network Service Engineer
Digital Realty —Dublin, County Dublin
- Full-time
- Azure
- AWS
- No degree

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Senior IT Infrastructure Administrator, Networking

Confluence Technologies -
Dublin, County Dublin

Quick apply

Job details

Permanent | Full-time

Benefits

Annual leave
Referral programme

Qualifications

CCNP
Ansible
Load balancing
OSPF
Firewall
Confluence
Terraform
BGP
Routing protocols
Scripting
WAN
IT
VMWare
Root cause analysis
SaaS
Python
PowerShell
VPN

Full job description

Description

Location- Ireland (Dublin)

Why Confluence?

At Confluence, we’ve always been driven by a commitment to innovation, precision, and partnership in the investment data space. Our global footprint now spans multiple countries, giving our employees the opportunity to get exposure to other countries and cultures. And it stands to reason that none of this would have been possible without the hundreds of hard-working employees who work at Confluence.

More about the role & team

This is a senior, hands-on networking opportunity where you’ll own enterprise infrastructure end-to-end — from initial design through implementation and into steady-state operations. Working closely with infrastructure and business stakeholders, you’ll deliver complex network solutions while ensuring they are scalable, secure, and fully embedded into ongoing support. This role exists to strengthen internal expertise and reduce reliance on external vendors, placing you at the center of critical infrastructure transformation initiatives.

You’ll operate as a true Subject Matter Expert and technical escalation point, leading troubleshooting, optimizing performance, and driving continuous improvement across the network estate. Beyond delivery, you’ll play a key role in enabling the wider team through knowledge transfer, documentation, and best practices. This role suits a senior network engineer who enjoys both building and owning solutions, and who thrives in environments where they can influence standards, drive change, and work across large-scale, multi-site infrastructure.

Own the full network lifecycle — from design through to operations, not just delivery
Step into a true SME role with visibility and influence across infrastructure decisions
Work hands-on with modern Cisco technologies, including SD-WAN transformation
Drive real impact by building internal capability and reducing vendor reliance
Gain exposure to enterprise-scale, multi-site environments and cross-functional initiatives

Based in a major tech hub (e.g., Toronto, US, or Ireland), this is an attractive opportunity for candidates looking to work on modern Cisco technologies and SD-WAN transformation within an enterprise-scale environment. You’ll gain exposure to cross-functional initiatives, cloud-integrated infrastructure, and projects with real business impact—ideal for those ready to step into a visible, high-impact engineering role with long-term growth

What skills and experience do I need to succeed?

8+ years’ experience in enterprise IT infrastructure or networking roles
Strong hands-on experience with Cisco technologies (Firepower, ISE, SD-WAN – Viptela/Catalyst)
Deep knowledge of network infrastructure (routing, switching, firewalls, VPNs, load balancing)
Expertise in routing protocols (BGP, OSPF, EIGRP) across multi-site environments
Proven experience designing, implementing, and transitioning solutions into production
Strong troubleshooting skills, including root cause analysis and incident resolution
Experience maintaining infrastructure health (patching, upgrades, configurations)

Experience in SaaS or cloud-based environments
Exposure to virtualized infrastructure (e.g., VMware)
Familiarity with enterprise storage platforms (e.g., NetApp)
Experience with scripting or automation (PowerShell, Python, Terraform, Ansible)
Cisco certifications (CCNP or CCIE)

What do we offer?

Confluence offers generous benefit packages for team members. As a growing, global organization, we are always looking for ways to ensure that our employees can access benefits that matter to them and their families. This includes:

Generous Time Off packages including additional half days with each public holiday in your location.

Global Career Development opportunities

Social Events

Referral Bonus scheme - Upto $3,000 per successful referral

Plus many more!

More about the Location

We offer flexible working options for all employees.

#LI-Hybrid

Values

We look for people who align with our 4 values.

Integrity

Face reality with honesty, courage and accountability

Imagination

Deal creatively with challenges and envision what the world could be

Discipline

Build good habits into reflexes which become a part of our life

Service

Committed to the success of others

If you would like to find out more about a Career at Confluence, please apply today.

Pre-Employment Screening Disclaimer
As part of our recruitment process, we carry out identity checks on all candidates. Offers of employment are conditional upon the completion of satisfactory background checks prior to the commencement of work. These checks may include verification of identity, right to work in the UK, employment history, and other relevant pre-employment screening.

Please note that additional checks may be required depending on the nature of the role and the jurisdiction in which the role is based or operates. These may include, but are not limited to, criminal record checks or financial background checks where applicable.

About Confluence Technologies

As a leading global technology solutions provider to the investment management industry, Confluence helps clients solve complex investment data challenges across the front, middle and back office. Headquartered in Pittsburgh, PA, Confluence services over 1000 clients in 40 countries, with locations across Europe, North America, South Africa, Australia and Asia.

Quick apply

Refine Your Search

senior it infrastructure administrator, networking jobs in lusk county dublin

Senior IT Infrastructure Administrator, Networking

Senior Technical Support Engineer (L3)

Senior IT Lead and Delivery Manager

Helpdesk Support Engineer

Client Success & Growth Manager

Senior Infrastructure Engineer - Dublin

Senior Network Engineer

Sr IT Infrastructure Engineer EMEA

Technology Infrastructure Assistant Vice President

Hardware Technician

Sales Manager IT (5years+)

Macra Make the Moove Project Manager

Infrastructure Engineer

Desktop & Site Support Engineer

IT Manager

Senior Penetration Tester

Service Desk Manager

IT Infrastructure Analyst (IT Knowledge Management – Communication and Documentation)

Senior Associate, IT, Network Engineer (Fixed Term Contract - 12 Month)

Network Service Engineer

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