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The Role
We are seeking a highly motivated and dynamic business professional to assist in the transition to a new ERP system. In this role, you will support key account managers by addressing queries from stakeholders and customers, generating reports from multiple ERP systems, and helping produce daily, weekly, and monthly KPI reports.

The ideal candidate is highly organised, analytical, and capable of managing multiple complex projects simultaneously. Advanced PC skills (Excel, Word, Power BI) are essential, along with strong communication and presentation abilities.

Key Responsibilities

Support reporting requirements during the ERP system transition.

Assist key account managers with strategic IT projects.

Analyse, cleanse, and validate data from multiple sources, combining financial and non-financial information.

Generate operational, pricing, and KPI reports for stakeholders.

Ensure data accuracy across internal and external systems.

Manage IT system interfaces and follow internal processes while remaining adaptable to a fast-paced environment.

Key Skills & Experience

Minimum 2 year's experience in a business or supply chain role.

Strong understanding of complex project management and stakeholder engagement.

Advanced proficiency in Microsoft Office (Excel, Word, PowerPoint) and Power BI.

Strong analytic, problem-solving, and attention-to-detail skills.

Ability to manage multiple priorities and work effectively under pressure.

Excellent interpersonal skills, team-oriented, and professional approach.

Knowledge of ERP reporting tools, including SAP Business Warehouse/Business Intelligence, is essential.

Demonstrated ability to work in a dynamic, fast-changing environment.

Should this position be of interest to you, please forward your CV to Cian Parnell at GCS Recruitment Specialists on [email protected] or call on 1901 4401 .

GCS is acting as an Employment Business in relation to this vacancy.

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Role - BI Specialist (SQL / Azure)

Industry - Automotive

Type - Fixed term contract (2 months, extension thereafter)

Rate - £75,000 per annum, pro rata

Location - Hybrid, 50% of the month in the office (London, Victoria)

PURPOSE OF POST:

Experienced Microsoft / Azure Business Intelligence (BI) Specialist to design, build, and support BI solutions across the Microsoft stack, including SSAS, SSRS, and Power BI. The post holder will play a key role in delivering high-quality, enterprise-grade analytics for platforms, while also enabling integration with third-party reporting tools such as Tableau and Amazon QuickSight. The successful candidate will have strong proficiency in SQL and DAX, a solid understanding of Azure data architecture, and experience working in a cross-functional team comprising engineers, analysts, and product stakeholders.

QUALIFICATIONS / SKILLS / ATTRIBUTES

Microsoft BI Stack

Strong hands-on experience with SSAS (both multidimensional and tabular model development)Experience developing and maintaining SSRS data models and paginated reportsExpertise with Power BI, including Power Query, DAX, measures, and visual design

Azure Data Platform

Familiarity with Azure SQL DB, Synapse Analytics, Data Factory, and Azure Analysis ServicesExperience managing data refresh strategies, gateways, and Power BI service deploymentsAbility to design secure reporting environments with row-level security, role-based access, and Azure AD integration

Integration & Interoperability

Experience connecting Microsoft BI tools with Tableau, Amazon QuickSight, or similar platformsUnderstanding of REST APIs, Power BI Embedded, and programmatic data access patterns

Data Engineering & Modelling

Strong T-SQL skills for data retrieval and performance tuningKnowledge of dimensional modelling, star/snowflake schemas, and data warehouse best practices

Preferred Qualifications

Microsoft certifications such as DA-100, DP-500, or MCSE: BIFamiliarity with CI/CD for BI assets (e.g. Git integration for SSAS/Power BI)Exposure to DevOps pipelines for automated deploymentsAwareness of data cataloguing, data lineage, and governance standards

MAIN DUTIES INCLUDE:

BI Development & Reporting

Design, develop, and maintain SSAS cubes (tabular and multidimensional) aligned to reporting requirementsBuild SSRS data models and reports, ensuring scalability and performanceDevelop interactive Power BI dashboards using complex business logic in DAX

Integration & Interoperability

Enable interoperability with third-party tools like Tableau and Amazon QuickSightManage secure integrations between Power BI and Azure-hosted data sources

Platform Support & Governance

Configure row-level security, user access roles, and workspace settingsMonitor performance across data models and reports; implement best practices for query optimisationContribute to the creation of documentation, data standards, and governance artefacts

Collaboration & Continuous Improvement

Work closely with data engineers and analysts to define and evolve reporting architectureSupport continuous delivery of BI assets via automated pipelines and DevOps toolingDrive improvements in data quality, usability, and user self-service

GCS is acting as an Employment Agency in relation to this vacancy.

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SQL Engineer

Outside IR35

Remote

Migration from PostgreSQL to Oracle

As a market leader in the data analytics space my client is seeking a highly skilled SQL Engineer to join their dynamic team and lead the migration of their database systems from PostgreSQL to Oracle.

Role Overview:

As a SQL Engineer specializing in database migration, you will play a critical role in transforming their data infrastructure. Your expertise in PostgreSQL and Oracle will be essential as you design, plan, and execute the migration process. This is a unique opportunity to work on a high-impact project that will shape the future of their data management capabilities.

Key Responsibilities:

Design and implement strategies for migrating databases from PostgreSQL to Oracle.Develop and optimize SQL queries, stored procedures, and database schemas.Ensure data integrity, security, and performance throughout the migration process.Collaborate with cross-functional teams to understand and address data requirements.Troubleshoot and resolve any issues related to database migration.Document migration processes and provide training to team members as needed.

Qualifications:

Proven experience as an SQL Engineer with a focus on database migration.Strong expertise in both PostgreSQL and Oracle databases.Proficiency in SQL and PL/SQL programming.Familiarity with database design, performance tuning, and optimization techniques.Excellent problem-solving skills and attention to detail.Strong communication skills and the ability to work collaboratively in a team environment.

Please send across an updated CV if this position is of interest

GCS is acting as an Employment Business in relation to this vacancy.

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About the Role

We're looking for a BI Analyst to support and maintain critical reporting assets while legacy data systems are phased out. The role is hands-on with SQL, Looker, and dbt, focused on ensuring stability, accuracy, and smooth migration of reporting assets to modern platforms.

Key Responsibilities

SQL & Data Modelling

Write and optimize SQL queries for analysis, reporting, and troubleshooting.

Validate data pipelines and transformations to ensure accuracy in reporting.

Looker Platform Support

Administer and maintain Looker dashboards, reports, and user access.

Troubleshoot, resolve bugs, and fine-tune performance of BI assets.

Repoint existing Looker dashboards and reports to updated or new data sources.

dbt Integration

Collaborate with Data Engineers to maintain dbt models and transformations.

Ensure Looker assets stay aligned with evolving dbt datasets.

Collaboration & Documentation

Work closely with stakeholders to clarify requirements and address reporting issues.

Document changes, fixes, and updates for transparency and long-term maintainability.

Skills & Experience

Strong SQL skills - query development, debugging, and optimization.

Hands-on Looker experience, including admin, dashboard/report maintenance, and tuning.

Exposure to dbt/dbt core and integration into BI workflows.

Track record of troubleshooting BI issues, fixing bugs, and improving performance.

Experience in repointing dashboards/reports to new data sources.

Good communication skills to liaise between technical teams and business users.

Ideal Candidate Profile

3-5+ years' experience in a BI Analyst or BI Developer role.

Detail-oriented with a focus on data accuracy and user experience.

A problem-solver who enjoys keeping BI environments reliable, consistent, and business-ready.

GCS is acting as an Employment Business in relation to this vacancy.

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About the Role

We're looking for 3 x Senior Data Engineers to join a dedicated squad maintaining and supporting legacy data systems while helping transition assets to modern platforms on a 12 month contract.

The role is heavily focused on SQL development, ETL/ELT pipeline management, and data warehousing best practices. Experience with tools like Fivetran and dbt is highly desirable, as these form a core part of the existing data stack.

Key Responsibilities

Pipeline Development & Maintenance

Build, maintain, and optimize ETL/ELT pipelines in a cloud-based environment.

Monitor, troubleshoot, and resolve issues across replication and transformation workflows.

Ensure efficient data integration from multiple source systems.

Data Warehousing & Modelling

Design and maintain scalable star schema and dimensional models.

Apply best practices in data quality assurance and governance.

Maintain critical legacy financial and customer reporting datasets to ensure continuity.

Stack-Specific Work

Work directly with Fivetran for data ingestion and pipeline automation.

Use dbt (core/cloud) for transformations, testing, and documentation.

Partner with BI Analysts to repoint Looker dashboards to updated sources.

Collaboration & Knowledge Transfer

Work closely with internal data engineering and BI teams to ensure smooth handovers.

Document workflows, transformations, and data quality checks for transparency.

Skills & Experience

Expert-level SQL - complex queries, optimization, performance tuning.

Proven experience building and maintaining ETL/ELT pipelines in a cloud environment.

Deep knowledge of data warehousing concepts (star schema, dimensional modelling, slowly changing dimensions, etc.).

Strong track record in data quality assurance and maintaining reliable pipelines.

Hands-on experience with Fivetran and dbt (or similar tools).

Comfortable collaborating with BI teams and supporting reporting migrations.

Strong problem-solving and documentation skills.

Ideal Candidate Profile

5+ years of experience in data engineering with a clear focus on SQL, ETL/ELT, and data warehousing.

A detail-oriented engineer who can maintain stability in legacy systems while enabling the business to modernize.

Proactive communicator, able to work with both technical colleagues and business users.

GCS is acting as an Employment Business in relation to this vacancy.

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About the Role

We are seeking a highly skilled and motivated Business Insights (Looker) Developer with experience in both backend and frontend aspects of Looker. The ideal candidate will have a strong background in data modelling, LookML development, dashboard creation, and a solid understanding of analytics and data visualisation. Experience with relational databases such as PostgreSQL and Amazon Redshift is essential for this role.

Employment terms will depend on location and working status.

Responsibilities

Looker Development

Develop and maintain LookML models, explores, and views to support reporting requirements.

Create visually compelling and interactive dashboards and reports for various business units.

Optimise Looker queries and performance for large datasets.

Backend Data Integration

Design, develop, and maintain ETL pipelines and data transformations using PostgreSQL and Redshift.

Ensure data integrity and consistency across data sources integrated into Looker.

Collaborate with data engineering teams to implement data pipelines and ensure Looker-readiness.

Frontend Analytics

Work closely with stakeholders to understand business requirements and translate them into actionable Looker reports.

Customise Looker visualisations and implement user-friendly, dynamic dashboards.

Troubleshoot and resolve issues related to Looker front-end components.

Collaboration & Documentation

Collaborate with cross-functional teams, including data analysts, engineers, and product managers, to deliver end-to-end solutions.

Document Looker models, dashboards, and underlying data architecture.

Required Skills and Qualifications

Proven experience as a Business Insights (Looker) Developer with both backend (LookML) and frontend dashboard/reporting expertise.

Strong proficiency in LookML development, including data modelling, derived tables, and parameterisation.

Solid experience with PostgreSQL and Amazon Redshift, including writing and optimising SQL queries.

Familiarity with data warehouse and data lake concepts.

Understanding of best practices in data visualisation and UI/UX design for dashboards.

Ability to debug and optimise Looker performance issues.

Strong communication skills to collaborate with stakeholders and explain technical concepts clearly.

Preferred Skills

Experience with scripting languages like Python or Bash for data pipeline automation.

Familiarity with tools like dbt or similar for data transformation.

Knowledge of cloud platforms such as AWS.

Certification in Looker or related tools is a plus.

GCS is acting as an Employment Business in relation to this vacancy.

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Job Title: Data Analyst - IT

Location: Dublin, Ireland
Type: Full-time, Permanent
Salary: Competitive package with excellent benefits

The Role

We are seeking a highly skilled and motivated Data Analyst to join our IT team within the Corporate Services Division. In this role, you will help shape the organisation's approach to data analysis, reporting, and digital transformation, ensuring that data-driven insights support both regulatory functions and internal decision-making.

You will report directly to the Head of IT and collaborate across teams to deliver dashboards, conduct statistical analysis, and support data-led storytelling that drives real organisational impact.

Key Responsibilities

Develop and advise on the creation of dashboards and reports to support strategic and regulatory goals.

Perform data validation, analysis, and monitoring, ensuring accuracy and reliability.

Support cross-divisional projects with data-driven insights and reporting.

Use BI tools (Power BI preferred) and APIs for data integration, analysis, and automation.

Contribute to data strategy and governance frameworks within IT.

Enable storytelling with data by translating complex datasets into actionable insights.

Ensure compliance with internal data standards, governance, and reporting processes.

About You

Essential skills & experience:

Proven expertise in data visualisation and BI tools (Power BI preferred).

Ability to design dashboards and communicate insights effectively.

Strong statistical and analytical skills, with the ability to spot patterns, trends, and anomalies.

Experience using APIs for data integration and reporting.

Familiarity with data processing scripts for automation.

Awareness of machine learning concepts and AI applications.

Demonstrated ability to support delivery of projects both individually and within teams.

Strong communication skills and experience in storytelling with data.

Desirable skills:

Knowledge of data governance and security compliance processes.

Experience in telecommunications, government, or regulated industries.

Strong stakeholder engagement and presentation skills.

Why Join Us?

Play a pivotal role in shaping Ireland's digital and communications landscape.

Work in a multi-disciplinary, forward-thinking environment.

Enjoy a competitive salary, benefits, and professional development opportunities.

Be part of a mission-driven organisation that values innovation, collaboration, and excellence.

How to Apply

If you are passionate about data analysis and digital transformation and want to make an impact in a growing organisation, we'd love to hear from you.

Apply now by submitting your CV through our careers portal.

GCS is acting as an Employment Agency in relation to this vacancy.

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SQL DBA - Data heavy platform within the automotive industry - Hybrid

Role - SQL DBA

Type - Fixed term contract (3 months initially)

Salary - £75,000 - £80,000

Location - Hybrid, 2 days per week in the office (Victoria, London) / 3 day remote

Start - ASAP, need to have the ability to start by 8th August

Spec -

PURPOSE OF POST:

Load Testing Plan and ExecutionDataOps practices (CI/CD for schema)Query tuning & execution plan analysisGovernance, auditing, and compliance enforcementWorking with developers to write scalable SQLProactive anomaly detection using Query Store or Extended Events

QUALIFICATIONS / SKILLS / ATTRIBUTES REQUIRED BY JOB HOLDER:

Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.Proven experience as a DBA for 5+ yearsStrong proficiency with Microsoft SQL ServerExperience with database monitoring and diagnostic tools (e.g., SQL Profiler, Redgate, SolarWinds)Hands-on with performance tuning and optimization (PTO)Experience in backup and recovery best practicesFamiliarity with High Availability and Disaster Recovery (HA/DR) optionsProficiency in T-SQL scripting and automationExcellent problem-solving and communication skills

GCS is acting as an Employment Agency in relation to this vacancy.

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Overview

We are looking for an experienced Senior Data Engineer with strong hands-on skills in Databricks, Snowflake, AWS, Spark, Airflow, Python, and SQL. The ideal candidate can take high-level architecture and independently deliver robust, production-ready code using best practices and test-driven development (TDD).

Responsibilities

Build and maintain scalable data pipelines using Databricks, Spark, Airflow, and Snowflake.

Write clean, testable code in Python and SQL.

Deploy and optimize solutions in AWS.

Ensure data quality, performance, and reliability.

Work independently to deliver end-to-end solutions.

Requirements

Proven experience as a Data Engineer.

Mandatory expertise in: Databricks, Snowflake, AWS, Spark, Airflow, Python, SQL.

Strong grasp of data engineering best practices and TDD.

GCS is acting as an Employment Business in relation to this vacancy.

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Role- Digital Business Analyst - CDE

Nature- Hybrid (2 days onsite)

Location- Warwick, UK

Type- Contract (Inside IR35)

Required QualificationsRequirements Gathering and DocumentationCollaborate with stakeholders (project managers, technical teams, end users) to gather detailed business and technical requirements.Document both functional and non-functional requirements clearly for CDE and BIM platform use.Stakeholder Management and CommunicationFacilitate communication between business teams (architects, engineers, contractors) and technical teams (software developers, IT support).Manage expectations, negotiate priorities, and ensure alignment on project objectives and digital workflows.Process Analysis and ImprovementMap and analyze existing workflows related to data management and BIM processes.Identify inefficiencies or gaps in data handling, collaboration, and system integration.Recommend enhancements to increase efficiency, accuracy, and collaboration using CDE and BIM tools.Data Analysis and Quality AssuranceSupport data integrity and quality by ensuring that CDE workflows enforce standards for data input, version control, and approvals.Collaborate on developing test plans and assist in user acceptance testing (UAT) to validate that BIM software and CDE platforms deliver expected functionality.Solution Validation and SupportWork with IT and CDE/BIM specialists to validate that technical solutions meet business needs.Provide training support and documentation for users in handling BIM data, collaboration workflows, and CDE systems.Address ongoing issues post-implementation, enabling smooth adaptation to new digital environments.Preferred ExperienceExperience with enterprise software implementationsKnowledge of UX/UI design principlesFamiliarity with project management methodologies (Agile, Scrum, Waterfall)Experience in energy sectorTechnical SkillsBusiness process modeling tools (e.g., Visio, Lucidchart)Requirements management tools (e.g., JIRA, Azure DevOps)Data analysis and visualization platformsMicrosoft Office Suite (advanced Excel skills required)Basic understanding of programming concepts and database structures

GCS is acting as an Employment Business in relation to this vacancy.

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