Find Critical systems 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
Critical Systems Engineer
EdgeConneX —Dublin, County Dublin
- Microsoft Word
- Microsoft Excel
- Bachelor's degree
Quick apply
Data Center Test & Commissioning Engineer
Next U Systems for EnerFusion Finland Oy —Dublin, County Dublin
- Full-time
- English
- Project management
- Bachelor's degree
Quick apply
14d
Senior Systems Engineer
Innalabs —DUBLIN 15, County Dublin
- Full-time
- Engineering
- Data analysis skills
- System design
- Free parking
- Annual leave
Quick apply
9d
Principal Data Scientist
Optum —Dublin, County Dublin
- Full-time
- Computer Science
- Research
- Master's degree
Technical Support Engineer (Ireland, UK)
Metronome —Dublin, County Dublin
- SQL
- No degree
- Communication skills
Senior Electrical Critical Systems Engineer
Cundall —Dublin, County Dublin
- Full-time
- Electrical Engineering
Senior Process Engineer
Jacobs —Dublin, County Dublin
- Hybrid work
- Master's degree
- Bachelor's degree
- Manufacturing
Supply Chain Engineer (SCE)
Intel —Leixlip, County Kildare
- €71,300–€133,900 a year
- Full-time
- Management
- Engineering
- Data analysis skills
12d
Automation Engineer - Utilities
NeoDyne —Dublin, County Dublin
- Overtime
- Customer service
- Engineering
- In-person
Quick apply
Mechanical Engineer - Dublin or Cork
Tractebel —DUBLIN 2, County Dublin
- Full-time
- Hybrid work
- Microsoft Word
- Microsoft Excel
- Microsoft Office
- Annual leave
Machine Learning Systems Engineer
Tether Operations Limited —Dublin, County Dublin
- Full-time
- Remote
- Azure
- Computer Science
- System design
Defect Metrology Engineer
Intel —Leixlip, County Kildare
- €59,200–€111,300 a year
- Full-time
- Doctoral degree
- Engineering
- Master's degree
Principal Mechanical Engineer - Dublin or Cork
Tractebel —DUBLIN 2, County Dublin
- Full-time
- Hybrid work
- Microsoft Word
- Microsoft Excel
- Engineering
- Annual leave
Validation Engineer
Jabil Circuit —Bray, County Wicklow
- Full-time
- Engineering
- Bachelor's degree
- Manufacturing
8d
Project Engineer
Johnson Controls —Dublin, County Dublin
- Full-time
- English
- Continuous improvement
- HVAC
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 Data Analytics Engineer
Spanish Point Technologies —Clontarf, County Dublin
- Spanish
- Azure
- Computer Science
Sr. Automation Engineer - Filling
Amgen —Dún Laoghaire, County Dublin
- €76,859.55–€103,986.45 a year
- Management
- Computer Science
- Engineering
Network Engineer
Elwood Roberts —Dublin, County Dublin
- €45,000–€70,000 a month
- Full-time
- Hybrid work
- Azure
- Computer Science
- AWS
Quick apply

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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

critical systems engineer jobs in dublin, d

Senior Technical Support Engineer (L3)

Critical Systems Engineer

Data Center Test & Commissioning Engineer

Senior Systems Engineer

Principal Data Scientist

Technical Support Engineer (Ireland, UK)

Senior Electrical Critical Systems Engineer

Senior Process Engineer

Supply Chain Engineer (SCE)

Automation Engineer - Utilities

Mechanical Engineer - Dublin or Cork

Machine Learning Systems Engineer

Defect Metrology Engineer

Principal Mechanical Engineer - Dublin or Cork

Validation Engineer

Project Engineer

Forward Deployed Engineer III, Generative AI, Google Cloud

Senior Data Analytics Engineer

Sr. Automation Engineer - Filling

Network Engineer

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