Find Linux system Jobs in Trinity College County Dublin

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
Lead Site Reliability Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Azure
- DevOps
- AWS
Principal DevOps Engineer - Decision Management Platform
Mastercard —Dublin, County Dublin
- Full-time
- DevOps
- Java
- AWS
Site Reliability Engineering Manager, Security - Apple Services Engineering
Apple —Dublin, County Dublin
- Computer Science
- Java
- Master's degree
4d
Software Engineer – SoC FPGA
Microchip Technology —Dublin, County Dublin
- Full-time
- Computer Science
- Engineering
- Master's degree
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
Site Reliability Engineer III
Guidewire Software —Dublin, County Dublin
- Full-time
- Oracle
- Computer Science
- DevOps
Infrastructure Verification Engineer
TechBiz Global GmbH —Dublin, County Dublin
- Full-time
- Remote
- Analysis skills
- Bachelor's degree
- Scripting
Quick apply
Lifecycle Governance & Controls Services Analyst
Bank of America —Dublin, County Dublin
- Full-time
- Windows
- Analysis skills
- Presentation skills
- Employee assistance program
Platform Engineer
Sitecore —Dublin, County Dublin
- Full-time
- Azure
- DevOps
- AWS
Senior Consultant - Networking & Security
Triangle Computer Services —Dublin, County Dublin
- Scripting
- Linux
- In-person
Java Developer (AVP)
Citi —Dublin, County Dublin
- €71,440 a year
- Full-time
- Hybrid work
- Azure
- Oracle
- Java
Staff Site Reliability Engineer, Core Networking
Google —Dublin, County Dublin
- €150,000–€154,000 a year
- Full-time
- System design
- Bachelor's degree
- No degree
5d
Senior Database Reliability Engineer
MUFG Investor Services —Dublin, County Dublin
- Full-time
- Oracle
- SQL
- AWS
Quick apply
Senior Network Engineer - Solution Test
Arista Networks —Dublin, County Dublin
- Full-time
- Master's degree
- Bachelor's degree
- Scripting
Quick apply
Senior Site Reliability engineer
Guidewire Software —Dublin, County Dublin
- Weekend availability
- Oracle
- Computer Science
- DevOps
Erasmus Web Developer
Stay Planet —Dublin, County Dublin
- Computer Science
- Sales
- DevOps
Quick apply
Staff Platform Engineer
AeroVect —Dublin, County Dublin
- Full-time
- Remote
- C++
- Linux
- Python
kdb+ Engineer
Data Intellect —Dublin, County Dublin
- Full-time
- Hybrid work
- Azure
- AWS
- Software development
- Referral programme
Quick apply
Senior PostgreSQL Database Engineer - EMEA (Remote)
Percona —Dublin, County Dublin
- Full-time
- Remote
- Azure
- Oracle
- English
- Annual leave
- Work from home

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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

linux system jobs in trinity college county dublin

Senior Technical Support Engineer (L3)

Lead Site Reliability Engineer

Principal DevOps Engineer - Decision Management Platform

Site Reliability Engineering Manager, Security - Apple Services Engineering

Software Engineer – SoC FPGA

Junior Technical Support (EMM Services/Sales Order Dispatch)

Site Reliability Engineer III

Infrastructure Verification Engineer

Lifecycle Governance & Controls Services Analyst

Platform Engineer

Senior Consultant - Networking & Security

Java Developer (AVP)

Staff Site Reliability Engineer, Core Networking

Senior Database Reliability Engineer

Senior Network Engineer - Solution Test

Senior Site Reliability engineer

Erasmus Web Developer

Staff Platform Engineer

kdb+ Engineer

Senior PostgreSQL Database Engineer - EMEA (Remote)

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