Find it administrator Jobs in dublin county dublin

Linux Administrator
Eirgrid —Dublin, County Dublin
- Oracle
- Software troubleshooting
- Analysis skills
Quick apply
1d
Administrator - Radiology
Voluntary Health Insurance —Dublin, County Dublin
- Full-time
- Microsoft Office
- Administrative experience
- Clinic
- Employee assistance program
Quick apply
19h
Cyber Security Engineer
Mater Private Network —Dublin, County Dublin
- Full-time
- Azure
- Windows
- Scripting
Quick apply
Human Resource Business Partner
Excel Aviation —Saint Margaret's, County Dublin
- €50,000–€55,000 a month
- Full-time
- Microsoft Excel
- Human resources
- Business
Quick apply
2d
Senior Software Engineer
Microsoft —Dublin, County Dublin
- Full-time
- Computer Science
- Java
- C++
GP Practice Manager
Parkhouse Family Practice —DUBLIN 24, County Dublin
- Full-time
- No degree
- Human resources
- IT
- Annual leave
Quick apply
1d
Senior Onboarding Specialist - German speaker
Salesforce —Dublin, County Dublin
- Full-time
- Salesforce
- English
- Project management
2d
Security Supervisor
Perrigo —DUBLIN 2, County Dublin
- Customer service
- English
- No degree
1d
ServiceNow Architect
Uniphar PLC —DUBLIN 24, County Dublin
- Full-time
- JavaScript
- Scripting
- Communication skills
Quick apply
Commercial Manager
Mercury Engineering —Dublin, County Dublin
- No degree
- Construction
- Leadership
Senior Associate - Fund Accounting
StepStone Group —Dublin, County Dublin
- Microsoft Excel
- Customer service
- Microsoft Office
Senior NetSuite Solution Architect
Verve —Dublin, County Dublin
- Full-time
- Hybrid work
- Bachelor's degree
- Communication skills
Quick apply
Success Guide Sales Cloud - French or German speaker
Salesforce —Dublin, County Dublin
- Full-time
- Spanish
- Sales
- Salesforce
14d
061.EI.26E – Administrator – Grant Payments Officer (x2)
Enterprise Ireland —Dublin, County Dublin
- €32,045–€62,435 a year
- Microsoft Word
- Microsoft Excel
- Microsoft Office
14h
Junior Sys Admin — Mission-Critical Infrastructure (Dublin)
Multisys Limited —DUBLIN 3, County Dublin
- From €30,000 a year
- Full-time
- English
- Windows
- Master's degree
Quick apply
14h
Contract Administator
Linde Material Handling Ltd. —Dublin, County Dublin
- Full-time
- Customer service
- IT
- Communication skills
- Relocation assistance
- Annual leave
1d
Vehicle Sales Administrator
Emerald Truck & Van —Ballymount, County Dublin
- €35,000–€40,000 a year
- Full-time
- Microsoft Excel
- Sales
- Customer service
- Sick pay
Quick apply
1d
Inside Sales & Service Administrator
KSS Fire Suppression —Dublin, County Dublin
- €27,000–€32,000 a year
- Full-time
- Microsoft Excel
- English
- IT
Quick apply
1d

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Administrator - Radiology
Voluntary Health Insurance —Dublin, County Dublin
In addition to offering a competitive basic salary, the offer comes with the following benefits: Any information you provide will be treated confidentially…
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Linux Administrator

Eirgrid -
Dublin, County Dublin

Quick apply

Job details

Permanent
1 day ago

Qualifications

Oracle
Software troubleshooting
Load balancing
Microsoft SQL Server
Bash (Unix shell)
Firewall
DHCP
Analysis skills
PostgreSQL
Scripting
DNS
SAN
IT
VMWare
Linux
TCP/IP
Communication skills
Python
Information Technology
VPN

Full job description

We are at the heart of Ireland’s energy transition - connecting, operating and transforming the electricity grid to support a low carbon, renewable future.

We are building talented teams that tackle real world challenges every day and help us to achieve our goal to prepare the grid to carry up to 80% of Ireland’s electricity from renewable sources.

We are proud to be a certified Great Place to Work, recognised for our culture built on trust, collaboration and inclusion. At EirGrid you will find supportive teams, opportunities to grow and meaningful work. We also offer secure employment with a range of flexible and family friendly working policies to support your life and wellbeing. If you want to know more about what EirGrid has to offer you, visit Life at EirGrid.

If you are ready to make an impact and grow your career in a purpose-led organisation, your journey starts here.

The Opportunity

The Linux and Database team is well established within the IT Infrastructure Department and is responsible for the organisation’s extensive Linux, Oracle, PostGres and Microsoft SQL Server solutions. A particular focus of this team is to ensure the reliability of the various platforms whilst driving performance and functional improvements and new delivery mechanisms including virtualisation and cloud services.

The Linux Administrator will assist in the development and support of EirGrid’s Linux estate on Physical and Virtual machines which underpin the organisation’s corporate functions and mission-critical power system operation and market functions.

The focus of the role will be to support major programs of work to upgrade and implement in premise and cloud-based systems.

The successful applicant will contribute to the overall success of Eirgrid by working as part of a team of IT professionals, undertaking Linux administration duties and driving project delivery and solution optimisation.

Key Responsibilities

Support the Linux & Database Team Lead in delivering on project targets and operational KPIs
Install, configure, and maintain Linux operating systems Red Hat Enterprise Linux (RHEL), Oracle Linux environments.
Monitor system performance, troubleshoot issues, and ensure high availability and reliability of Linux-based infrastructure
Configure network interfaces (NICs), Ethernet devices, and manage ILO for HP servers
Manage storage, including SAN, NAS, RAID, multipathing, zoning, and LVM
Diagnose and troubleshoot software, hardware, and network issues to identify root causes
Manage package installations, updates, and maintain software inventories
Configure, monitor, and manage backups and disaster recovery plans
Ensure system uptime, compliance, and handle user access management
Develop and maintain automation scripts (Bash, Python) for routine tasks and monitoring
Handle change management processes, system upgrades, and patch deployments
Implement and manage OS firewalls, security configurations, and vulnerability management
Configure and troubleshoot virtualization environments (e.g., VMware).
Automate system administrative tasks using scripting languages such as Bash or Python to streamline processes and improve efficiency.
Evaluate and recommend hardware and software upgrades to improve system performance and scalability.
Provide in-depth troubleshooting and issue resolution for the Red Hat and Oracle Linux ecosystem.
Investigate root causes of issues and escalate to engineering or vendor support when needed.
Support the asset management of Linux systems including inventory maintenance, warranty management, vendor support and configuration backups
Oversee the development of internal procedures, processes and documentation
Promote high standards of platform design, operation and availability and ensure that support capabilities during and outside normal working hours are maintained
Liaise with the EirGrid’s Governance & Planning team and business representatives to understand business needs and the wider context of developing and delivering IT solutions
Provide effective stakeholder management of both internal and external stakeholders including strategic vendors and service providers
Proficiency in capacity planning and disaster recovery planning

About You
The successful candidate will have:

An IT degree or recognised qualification in a relevant technical discipline
7+ years’ experience in delivering and/or operating critical business solutions
Proficiency in Red Hat and Oracle Linux OS environments
Expertise in networking protocols (TCP/IP, DHCP, DNS, VPN) and firewall management
Strong skills in SAN, NAS, RAID configurations, multipathing, and LVM
In-depth experience with Bash and Python scripting for automation
Hands-on experience with VMware and other virtualization technologies
Familiarity with TCP/IP, VLANs, load balancing, and high availability configurations
Installation & configuration of Operating system, ILO
CPU Utilization, Memory Management
Certifications in Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE)
Effective communicator, both in verbal and written communications supported by excellent customer facing skills
Successful track record in delivering IT projects
Strong analytical and problem-solving capability

Closing date for applications
19/06/2026

Please note we receive a high volume of applications, and as every application is carefully reviewed our response time may vary. If you agree to be considered for other roles this may result in a delayed response as we establish the best fit for your experience. We appreciate your patience.

We value potential as much as experience. If you believe you can succeed in this role, we encourage you to apply, even if you don’t meet every requirement.

We're dedicated to diversity and inclusion at EirGrid. We recognise the strength that comes from having a diverse workforce and the importance of a supportive culture for all our people to achieve their potential. Our diversity and inclusion networks have been designed to create an inclusive culture that enables our people to feel a sense of belonging at work.

As an equal opportunities’ employer, we welcome applications from people of all backgrounds. Reasonable accommodations are offered at every stage of our recruitment process.

Quick apply

Refine Your Search

it administrator jobs in dublin county dublin

Linux Administrator

Administrator - Radiology

Cyber Security Engineer

Human Resource Business Partner

Senior Software Engineer

GP Practice Manager

Senior Onboarding Specialist - German speaker

Security Supervisor

ServiceNow Architect

Commercial Manager

Senior Associate - Fund Accounting

Senior NetSuite Solution Architect

Success Guide Sales Cloud - French or German speaker

061.EI.26E – Administrator – Grant Payments Officer (x2)

Junior Sys Admin — Mission-Critical Infrastructure (Dublin)

Contract Administator

Vehicle Sales Administrator

Inside Sales & Service Administrator

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