Find Systems support engineer linux 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
Java Software Engineer (AVP)
Citi —Dublin, County Dublin
- €71,440–€107,160 a year
- Full-time
- Computer Science
- System design
- Java
Operations Systems Support SCADA Engineer
ESB —Dublin, County Dublin
- €59,000–€70,000 a year
- Full-time
- No degree
- Linux
- Communication skills
5d
Lead Site Reliability Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Azure
- DevOps
- AWS
Software Engineering Architect
Salesforce —Dublin, County Dublin
- Full-time
- Java
- Continuous improvement
- Mentoring
Site Reliability Engineering Manager, Security - Apple Services Engineering
Apple —Dublin, County Dublin
- Computer Science
- Java
- Master's degree
3d
Site Reliability Engineer, Networking
Protex AI —Dublin, County Dublin
- Full-time
- Hybrid work
- Management
- Computer Science
- AWS
Network Development Engineer II, Capacity Engineering
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- Master's degree
- AWS
System Development Engineer, ESC
Amazon Data Services Ireland Limited —Dublin, County Dublin
- Full-time
- Windows
- Java
- AWS
Sr IT Infrastructure Engineer EMEA
Qorvo —DUBLIN 8, County Dublin
- On call
- Computer Science
- English
- Windows
12d
Senior Software Engineer - Proxy & Network Boundary Infrastructure
Bloomberg —Dublin, County Dublin
- On call
- Computer Science
- No degree
- Linux
Manager, Support Engineering
Wiz, Inc. —Dublin, County Dublin
- Remote
- Azure
- Computer Science
- Engineering
Quick apply
Principal Software Engineer, AWS Lambda
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- AWS
- C++
Staff SRE, Ads
Reddit —Dublin, County Dublin
- On call
- Remote
- Linux
- Communication skills
- Python
- Annual leave
Quick apply
10d
Java Developer (AVP)
Citi —Dublin, County Dublin
- €71,440 a year
- Full-time
- Hybrid work
- Azure
- Oracle
- Java
Senior Network Development Engineer, GCNA
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- AWS
- C++
- Bachelor's degree
Senior Java Software Engineer (AVP)
Citi —Dublin, County Dublin
- €71,440–€107,160 a year
- Full-time
- Hybrid work
- Computer Science
- System design
- Java
Junior Technical Support (EMM Services/Sales Order Dispatch)
Renovotec Ltd —Swords, County Dublin
- €34,250 a year
- Full-time
- Windows
- Microsoft Office
- JavaScript
- Employee discount
Quick apply
8d
Solutions Engineer, Upmarket (Pre-Sales) - EMEA (German Speaking)
Vanta —Dublin, County Dublin
- Full-time
- Azure
- Sales
- Windows
- Annual leave
Senior Engineer, Network Observability
CoreWeave Europe —Dublin, County Dublin
- On call
- Computer Science
- Bachelor's degree
- Linux
- Employee assistance program
Quick apply
3d

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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

systems support engineer linux jobs in dublin, d

Senior Technical Support Engineer (L3)

Java Software Engineer (AVP)

Operations Systems Support SCADA Engineer

Lead Site Reliability Engineer

Software Engineering Architect

Site Reliability Engineering Manager, Security - Apple Services Engineering

Site Reliability Engineer, Networking

Network Development Engineer II, Capacity Engineering

System Development Engineer, ESC

Sr IT Infrastructure Engineer EMEA

Senior Software Engineer - Proxy & Network Boundary Infrastructure

Manager, Support Engineering

Principal Software Engineer, AWS Lambda

Staff SRE, Ads

Java Developer (AVP)

Senior Network Development Engineer, GCNA

Senior Java Software Engineer (AVP)

Junior Technical Support (EMM Services/Sales Order Dispatch)

Solutions Engineer, Upmarket (Pre-Sales) - EMEA (German Speaking)

Senior Engineer, Network Observability

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