Find Infrastructure security engineer Jobs in Dublin, D

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
Infrastructure Security Engineer
ElevenLabs —Dublin, County Dublin
- Full-time
- Remote
- AWS
- Linux
- AI
Network Security Engineer
Adswizz —Dublin, County Dublin
- Full-time
- Computer Science
- Customer service
- Microsoft Office
API Test Infrastructure Engineer
ZeroRisk —Dublin, County Dublin
- Full-time
- Remote
- JavaScript
- Scripting
- Python
Infrastructure Engineer
Crusoe —Dublin, County Dublin
- Full-time
- Computer Science
- Analysis skills
- Bachelor's degree
Quick apply
Security Engineer - Incident Response
Squarespace —Dublin, County Dublin
- €70,000–€107,800 a year
- Overtime
- Hybrid work
- AWS
- JavaScript
- Scripting
- Annual leave
- Employee assistance program
14d
Senior Infrastructure Engineer - Dublin
Seapoint —Dublin, County Dublin
- Hybrid work
- DevOps
- AWS
- Linux
Quick apply
DevOps Engineer, Charles River Development, Officer
State Street —DUBLIN 2, County Dublin
- Full-time
- Azure
- Computer Science
- DevOps
Fire and Security Engineer
Apex Fire —Dublin, County Dublin
- €45,000–€55,000 a year
- Full-time
- Customer service
- System design
- Maintenance
- Fuel card
- Employee assistance program
Quick apply
7d
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
Network Security Engineer
Sirius XM —Dublin, County Dublin
- Full-time
- Remote
- Computer Science
- Customer service
- Microsoft Office
Civil/Structural Engineer, Field Services Engineering - Civil, Structural & Architectural, Data Center Engineering
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Engineering
- AWS
- Analysis skills
Forward Deployed Engineer III, Generative AI, Google Cloud
Google —Dublin, County Dublin
- €122,000–€126,000 a year
- Full-time
- Microsoft Excel
- Doctoral degree
- Computer Science
Senior IT Security & Network Engineer / Architect 12-Month Contract | Dublin
Hadfield Green —DUBLIN 2, County Dublin
- Communication skills
- Python
Lead, Platform Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Presentation skills
- Continuous improvement
- Mentoring
Security Engineer
HubSpot —Dublin, County Dublin
- €56,000–€70,000 a year
- Remote
- Azure
- Computer Science
- AWS
Quick apply
Cybersecurity Engineer
Workday —Dublin, County Dublin
- €70,200–€105,400 a year
- Full-time
- AWS
- Scripting
- AI
11d
Forward Deployed Engineer IV, Generative AI, Google Cloud
Google —Dublin, County Dublin
- €150,000–€154,000 a year
- Full-time
- Doctoral degree
- Computer Science
- Engineering
Senior DevOps Engineer, AVP
State Street —DUBLIN 2, County Dublin
- Full-time
- Azure
- Computer Science
- DevOps
Senior Network Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Project management
- Bachelor's degree
- Agile

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Senior Technical Support Engineer (L3)

FOODHUB -
Dublin, County Dublin

Quick apply

Job details

Full-time
€50,000–€65,000 a year

Benefits

Annual leave

Qualifications

Hospitality
Azure
Operating systems
Windows
Technical support
Bash (Unix shell)
SQL
DHCP
AWS
Analysis skills
Remote access software
IT support
Scripting
DNS
IP networking
Linux
TCP/IP
Communication skills
PowerShell
VPN

Full job description

Senior Technical Support Engineer (L3)

Location: Dublin, Ireland (Hybrid with client site visits as required)
Salary: €50,000 - €65,000+
Reports to: Technical Support Manager

About the Role

We are seeking a highly technical Senior Technical Support Engineer (Level 3) to join our growing team.

This is not a traditional helpdesk role. We are looking for someone who can operate as the final escalation point for complex technical issues, perform deep root-cause analysis, and take ownership of critical customer-facing systems.

The successful candidate will have extensive experience across infrastructure, networking, operating systems, hardware, databases, cloud technologies, and enterprise troubleshooting. They will be comfortable diagnosing issues that others cannot solve and will work closely with internal teams, customers, and third-party vendors to identify and implement permanent solutions.

This role is ideal for someone who enjoys solving complex technical challenges, improving system reliability, and driving technical excellence across the business.

Key Responsibilities

Advanced Technical Support

Act as the highest technical escalation point for complex customer and internal technical issues.
Investigate and resolve advanced infrastructure, network, operating system, hardware, software, and application-related incidents.
Perform deep root-cause analysis on recurring or critical issues.
Lead technical troubleshooting sessions with customers and internal stakeholders.
Provide hands-on support for critical incidents and major service disruptions.

Infrastructure & Systems

Support and troubleshoot Windows and Linux environments.
Diagnose issues relating to networking, VPNs, firewalls, DNS, DHCP, routing, switching and connectivity.
Troubleshoot server, workstation, printer and peripheral hardware.
Support cloud-based services and hosted environments.
Work with databases and application logs to investigate system behaviour and performance issues.

Continuous Improvement

Identify recurring technical issues and implement preventative solutions.
Create and maintain technical documentation, knowledge base articles and troubleshooting guides.
Recommend improvements to system architecture, monitoring and operational processes.
Work alongside development and product teams to identify software defects and operational risks.

Customer & Field Support

Join customer calls as the technical subject matter expert.
Conduct site visits where hands-on troubleshooting or implementation support is required.
Build strong relationships with key customer stakeholders through technical expertise and professionalism.

Essential Skills & Experience

Technical

5+ years' experience in a Level 2/Level 3 IT Support, Systems Administrator, Infrastructure Engineer or Technical Support Engineer role.
Experience working on EPOS systems
Experience supporting Android products
Advanced troubleshooting and diagnostic skills.
Strong understanding of:
TCP/IP networking
DNS, DHCP, VPNs and firewalls
Remote desktop and endpoint management tools
Experience analysing system logs and identifying root causes of technical issues.
Experience supporting business-critical applications and infrastructure.
Familiarity with cloud platforms such as Azure or AWS.
Understanding of cybersecurity best practices and endpoint security.

Problem Solving

Proven ability to independently diagnose and resolve complex technical issues.
Strong analytical mindset with a methodical troubleshooting approach.
Ability to manage multiple high-priority issues simultaneously.
Demonstrated experience implementing permanent fixes rather than temporary workarounds.

Communication

Excellent written and verbal communication skills.
Ability to communicate complex technical concepts to both technical and non-technical audiences.
Comfortable leading technical discussions with customers, suppliers and senior stakeholders.

Highly Desirable

Experience supporting EPOS, retail, hospitality or multi-site environments.
Experience with SQL databases and query troubleshooting.
Experience with PowerShell, Bash or automation scripting.
Experience with Azure, AWS or hybrid cloud environments.
Experience with monitoring and observability platforms.
Microsoft, Cisco, CompTIA, ITIL, Azure or AWS certifications.

What Success Looks Like

Within your first 3-6 months you will:

Become the go-to escalation point for complex technical issues.
Reduce recurring incidents through effective root-cause analysis.
Improve technical documentation and operational processes.
Drive measurable improvements in system reliability and customer satisfaction.
Contribute to the overall technical maturity of the support function.

Benefits

33 days annual leave (including public holidays)
Option to purchase up to 5 additional days annual leave
Pension scheme
Birthday leave
Hybrid working model
International exposure across multiple markets
Opportunity to work with large-scale hospitality and EPOS technology deployments
Significant autonomy and influence within a growing technology business

Pay: €50,000.00-€65,000.00 per year

Ability to commute/relocate:

Dublin, County Dublin: reliably commute or plan to relocate before starting work (preferred)

Application question(s):

Which EPOS systems have you supported, and what was your level of involvement?
Describe a situation where you acted as the final technical escalation point for a complex issue that other support teams were unable to resolve.
Describe the most technically challenging issue you have resolved in your career.

Work Location: Hybrid remote in Dublin, County Dublin

Quick apply

Refine Your Search

infrastructure security engineer jobs in dublin, d

Senior Technical Support Engineer (L3)

Infrastructure Security Engineer

Network Security Engineer

API Test Infrastructure Engineer

Infrastructure Engineer

Security Engineer - Incident Response

Senior Infrastructure Engineer - Dublin

DevOps Engineer, Charles River Development, Officer

Fire and Security Engineer

Technology Infrastructure Assistant Vice President

Network Security Engineer

Civil/Structural Engineer, Field Services Engineering - Civil, Structural & Architectural, Data Center Engineering

Forward Deployed Engineer III, Generative AI, Google Cloud

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

Lead, Platform Engineer

Security Engineer

Cybersecurity Engineer

Forward Deployed Engineer IV, Generative AI, Google Cloud

Senior DevOps Engineer, AVP

Senior Network Engineer

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