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Database Administrator (Senior)

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    Company Details Confidential
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    Ref: #JOB-2415345
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    Co. Dublin,
  • Image Position
    No of positions: 1
  • Image Part Time
    Paid Position
  • Image Hours per week
    40 hours per week
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    Negotiable
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    Published On: 07 Oct 2025
  • Image for Closing
    Closing On: 04 Nov 2025

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Job Title: Database Administrator (Senior) 
Location: Dublin 1, Ireland (Hybrid Model, initial period of 4 days per week over 3 months)  
Contract / Permanent: 12 Months with further extension. 
Start date: November 2025 
Role: 
The Business Intelligence, Data Analytics & Data Management Unit provide a broad suite of ‘data’ services to internal and external customers. The scope of this work extends from Business Intelligence/ Reporting to data management. The Client is moving toward using data as an enabler and needs to be agile and responsive to delivering a world class inclusive education system. A sample of the services (existing & planned) relating to achieving this vision are: 

Capitalising on the NCSE operational Oracle Database (SEAS) as an organisational asset 
Automation of ETL routines 
Utilising Linux Systems for Business process improvements 
Developing/Editing software applications with the ability to react in an agile manner to business demands (Python/ Java / PHP) 
Embracing Data Science – AI / Machine Learning for prediction of NCSE service demand (Linear regression) 
Utilising Open-Source tools for Data Management and Database administration 
Improving Data Quality and integrity and associated data cleansing activities 
Utilise Open Source BI platforms, GIS systems etc. 
API integration of NCSE Systems 
Data Enrichment via Data Sharing and collaboration 
Automation of NCSE Open Data harvesting 
Creation of a Data Warehouse/Lake with one single source of truth 
Digital First transformation – Collect data ‘once’ principle 

Experience Level Required: 
It is a mandatory requirement that the Resource proposed has the equivalent of level 3 (Senior Resource). 

Key Experience/Competencies/Skillsets: 
The following Experience/Competencies/Skillsets are applicable to this Role. 
Core Database Expertise   
Oracle RDBMS (11g, 12c, 19c, 21c): Deep understanding of architecture, memory structures (SGA, PGA), and background processes.  
PL/SQL Development: Writing and optimizing stored procedures, functions, triggers, and packages.  
Data Modeling: Logical and physical schema design, normalization, ER diagrams.  
Installation, Configuration and Upgrades  
Installing and configuring Oracle on Linux/Unix/Windows environments.  
Performing database upgrades and patching using OPatch and DBUA.  
Experience with Oracle Grid Infrastructure and ASM (Automatic Storage Management).  
Backup, Recovery & High Availability  
RMAN (Recovery Manager): Backup strategies, cloning, and disaster recovery.  
Oracle Data Guard: Setup and management of physical and logical standby databases.  

Performance Tuning and Optimization  
SQL tuning using EXPLAIN PLAN, SQL Trace, TKPROF, and AWR/ASH reports. 
Instance tuning (memory, I/O, CPU), optimizer statistics, and indexing strategies.  
Use of Oracle Enterprise Manager (OEM) for monitoring and diagnostics. 

Security and Compliance  
User and role management, auditing,
  • This vacancy is suitable for Remote/Blended working
  • Sector:

Career Level

  • Experienced [Non-Managerial]

Candidate Requirements

Essential Desirable

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