Find Senior it infrastructure administrator, networking Jobs in Dublin 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
10d
Data Center Infrastructure Installation Technician, DCC Communities
Amazon Data Services Ireland Limited —Dublin, County Dublin
- Full-time
- AWS
14d
IT Support Engineer - Level 2
PFH Technology Group —Dublin, County Dublin
- Azure
- Software troubleshooting
- Customer service
Quick apply
Desktop & Site Support Engineer
Teleperformance —Dublin, County Dublin
- Management
- Customer service
- Windows
Quick apply
Desktop Support Engineer
Teleperformance —Dublin, County Dublin
- Management
- Customer service
- Windows
Quick apply
IT Support Engineer
Anthropic —Dublin, County Dublin
- €120,000–€165,000 a year
- Overtime
- Bachelor's degree
- Scripting
- AI
IT Support Engineer
Elwood Roberts —Dublin, County Dublin
- €30,000–€40,000 a month
- Full-time
- Software troubleshooting
- Customer service
- Windows
Quick apply
IT Infrastructure Project Manager
Elwood Roberts —Dublin, County Dublin
- €500–€675 a day
- Full-time
- Bachelor's degree
- No degree
- Organisational skills
Quick apply
049.EI.26E – Senior Executive – Programme Manager (Technology Infrastructure)
Enterprise Ireland —Dublin, County Dublin
- €82,290–€101,918 a year
- Research
- Presentation skills
- Business
13d
Application Support Engineer, Managed Print Services
Bizquip Limited —Sandyford, County Dublin
- €30,000–€40,000 a year
- Full-time
- Microsoft Access
- Azure
- Customer service
- Flexitime
- Work from home
Quick apply
9d
Senior IT Lead and Delivery Manager
Teleperformance —Dublin 07, County Dublin
- Full-time
- Azure
- Computer Science
- Master's degree
1d
Rack Install
Elwood Roberts —Dublin, County Dublin
- €25,000–€30,000 a month
- Full-time
- English
- Computer networking
- IT
Quick apply
IT Systems Administrator – Contract (Dublin, Ireland)
Hadfield Green —DUBLIN 2, County Dublin
- Windows
- Linux
- Communication skills
End User Support & Smart Hands Technician
EOS —Dublin, County Dublin
- Windows
- Linux
- Communication skills
Quick apply
Network Cabling Quality Technician
Amazon Data Services Ireland Limited - A65 —Dublin, County Dublin
- Full-time
- AWS
- Communication skills
14d
Sr Technical Infrastructure Program Mgr, Operations Infrastructure Solutions
Amazon Ireland Support Services Limited —Dublin, County Dublin
- Full-time
- Project management
- Bachelor's degree
- Continuous improvement
IT Helpdesk
Virtuos Games —Dublin, County Dublin
- Full-time
- Azure
- Software troubleshooting
- Customer service
- Sick pay
13d
eMobility Systems Operations Specialist
ESB —Dublin, County Dublin
- €59,900–€70,500 a year
- Full-time
- Azure
- Computer Science
- Engineering
22h
IT System Administrator - Maternity Leave Cover
ASL Aviation Holdings DAC —Swords, County Dublin
- Monday to Friday
- Computer Science
- English
- Windows
Quick apply
1d
Technician, re:Cycle Reverse Logistics, re:Cycle Reverse Logistics
Re:Cycle Reverse Logistics Ireland Limited —Dublin, County Dublin
- Full-time
- Microsoft Word
- Microsoft Excel
- Microsoft Outlook

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Senior IT Infrastructure Administrator, Networking

Confluence Technologies -
Dublin, County Dublin

Quick apply

Job details

Permanent | Full-time
10 days ago

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 dublin county dublin

Senior IT Infrastructure Administrator, Networking

Data Center Infrastructure Installation Technician, DCC Communities

IT Support Engineer - Level 2

Desktop & Site Support Engineer

Desktop Support Engineer

IT Support Engineer

IT Support Engineer

IT Infrastructure Project Manager

049.EI.26E – Senior Executive – Programme Manager (Technology Infrastructure)

Application Support Engineer, Managed Print Services

Senior IT Lead and Delivery Manager

Rack Install

IT Systems Administrator – Contract (Dublin, Ireland)

End User Support & Smart Hands Technician

Network Cabling Quality Technician

Sr Technical Infrastructure Program Mgr, Operations Infrastructure Solutions

IT Helpdesk

eMobility Systems Operations Specialist

IT System Administrator - Maternity Leave Cover

Technician, re:Cycle Reverse Logistics, re:Cycle Reverse Logistics

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