OverviewAn exciting opportunity has arisen for a Junior Data Analyst to join a large-scale transformation and data migration... Read more
Overview
An exciting opportunity has arisen for a Junior Data Analyst to join a large-scale transformation and data migration programme. The successful candidate will support critical data migration activities, ensuring high levels of data quality, validation, reconciliation, testing, and issue resolution.
This role is ideal for a hands-on analyst who enjoys working with data, investigating issues, and collaborating with business and technical stakeholders to deliver accurate and reliable outcomes. The position is focused on practical data analysis and migration support rather than data science, machine learning, or AI.
Key Responsibilities
Support data migration activities across multiple workstreams.Perform data extraction, validation, reconciliation, and quality assessments.Identify, investigate, and resolve data anomalies and data quality issues.Support testing and UAT activities, including defect tracking and issue management.Create and maintain documentation such as data mappings, issue logs, audit trails, and test evidence.Engage with business users and SMEs to clarify requirements and resolve outstanding issues.Ensure data is accurate, complete, and migration-ready.Manage multiple priorities while meeting agreed project deadlines.Required Skills & Experience
2-4 years' experience in a Data Analyst, Data Migration Analyst, Technical Analyst, or similar position.Strong SQL skills for querying, analysing, validating, and investigating data.Advanced Excel expertise, including:XLOOKUP / VLOOKUPINDEX / MATCHIF / IFSSUMPRODUCTPower QueryExperience with data cleansing, reconciliation, validation, and data quality processes.Experience supporting testing and UAT activities.Strong analytical and problem-solving abilities.Excellent organisational skills with the ability to manage multiple concurrent tasks.Strong stakeholder engagement and communication skills.Proactive approach with excellent attention to detail.Desirable Experience
Exposure to Power BI.Experience working on data migration programmes.Previous experience within banking, financial services, regulatory, credit, or other highly regulated environments.Candidate Requirements
Must be currently based in Ireland.Must be available to commence work immediately.Comfortable working onsite in Dublin three days per week.Ability to work independently while collaborating effectively with wider project teams.GCS is acting as an Employment Business in relation to this vacancy.
Read lessDublin, Dublin County, Republic of IrelandContract
UI/UX Test Analyst - ContractLocation: Dublin 18 - Hybrid Working Model: 2-3 days onsite per week Contract: 11... Read more
Location: Dublin 18 - Hybrid
Working Model: 2-3 days onsite per week
Contract: 11 Months
Daily Rate: €180-€210 per day
We are looking for a talented UI/UX Test Analyst to join a high-profile technology environment on an 11-month contract.
This is an excellent opportunity for a mid-level QA professional who combines strong web application testing experience with a genuine eye for user experience, accessibility and visual quality.
You will work closely with UX/UI designers and front-end development teams, ensuring digital experiences not only function correctly but are intuitive, responsive, accessible and accurately aligned with approved designs.
What You'll Be DoingPerform UI/UX, functional and usability testing across web applications.Validate implemented screens against approved UX/UI designs and specifications.Test applications across different browsers, devices and screen sizes.Identify visual inconsistencies, usability issues and functional defects.Perform testing against WCAG accessibility standards.Document, track and manage defects using Jira or similar test/defect management tools.Collaborate closely with UX/UI designers, developers and wider project teams.Produce clear testing documentation and communicate issues effectively to stakeholders.What We're Looking ForRelevant experience within UI/UX testing, functional testing or Quality Assurance.Strong understanding of UX/UI principles and usability testing.Hands-on experience testing web applications.Good understanding of responsive design and cross-browser testing.Knowledge of WCAG and web accessibility standards.Excellent attention to detail, particularly when comparing developed interfaces against designs.Experience with Jira or similar tools.Familiarity with design platforms such as Figma, Adobe XD or Sketch.Strong analytical, communication and documentation skills.Nice to HaveBasic understanding of HTML and CSS.Experience using browser developer tools.Exposure to UI automation or visual regression testing tools.Previous experience working closely with UX/UI designers and front-end development teams.Why Consider This Opportunity?If you enjoy finding the small details that make a big difference to the customer experience, this role offers the chance to combine QA, UX, accessibility and web testing within a long-term contract.
Interested? Apply today to learn more about this opportunity.
GCS is acting as an Employment Business in relation to this vacancy.
Read lessDublin, Dublin County, Republic of IrelandContract
We are seeking an experienced IT Support Specialist to provide technical support, infrastructure management, and cloud-based solutions that... Read more
We are seeking an experienced IT Support Specialist to provide technical support, infrastructure management, and cloud-based solutions that ensure the security, reliability, and performance of client IT environments. This role will focus on supporting Microsoft technologies, networking, cybersecurity, and end-user systems across multiple client environments.
Key ResponsibilitiesProvide remote and on-site technical support across multiple client environments.Manage service requests, incidents, and technical escalations, ensuring timely resolution.Troubleshoot and maintain Microsoft 365, Azure, Entra ID, Windows Server, and Windows 10/11 environments.Plan and support migrations from on-premises infrastructure to Microsoft Azure.Deploy and manage Azure services, including Virtual Machines, Azure SQL, and VPN connectivity.Implement and administer Microsoft Intune and endpoint management solutions.Configure and support Microsoft Defender and other security technologies.Install, configure, and troubleshoot SonicWall firewalls, VPNs, and networking equipment.Diagnose network, connectivity, security, and infrastructure-related issues.Support SharePoint and Microsoft 365 collaboration platforms.Maintain the security, reliability, and performance of client IT environments.Provide technical guidance to clients and end users while maintaining excellent service standards.Identify recurring issues and recommend improvements to infrastructure, security, and support processes.Required Skills & ExperienceDegree in Computer Science, Information Technology, or a related field, or equivalent industry experience.Ideally 3+ years' experience in an IT Support, Infrastructure Support, or MSP environment.Strong knowledge of Microsoft 365, Azure, Entra ID, and Windows Server administration.Experience supporting Windows desktop environments, networks, and business-critical IT infrastructure.Hands-on experience with Microsoft Intune, Defender for Endpoint, and Defender for Office 365.Experience configuring and troubleshooting SonicWall firewalls, VPNs, and network infrastructure.Good understanding of cybersecurity, identity management, endpoint protection, and network security.Strong troubleshooting and problem-solving skills with the ability to own issues through to resolution.Ability to manage multiple priorities and support multiple client environments effectively.Excellent communication skills with the ability to explain technical issues to non-technical users.Fluent English.A full, clean Category B driving licence and access to a car are essential, as the role requires travel to client sites.Ideal CandidateA proactive and customer-focused IT professional with strong technical expertise across Microsoft cloud technologies, networking, and cybersecurity. You will be comfortable troubleshooting complex issues, managing competing priorities, and delivering high-quality support while building trusted relationships with clients and stakeholders.
GCS is acting as an Employment Agency in relation to this vacancy.
Read lessDublin, Dublin County, Republic of IrelandPermanent
Senior Oracle/PostgreSQL DBA (AWS)I'm currently working with a well-established technology organisation seeking an experienced Senior Database Administrator to... Read more
Senior Oracle/PostgreSQL DBA (AWS)
I'm currently working with a well-established technology organisation seeking an experienced Senior Database Administrator to join their Managed Services function.
This is an opportunity to take ownership of critical Oracle and PostgreSQL database environments hosted within AWS, supporting both internal and client-facing systems. The role is focused on ensuring high availability, performance, scalability and reliability across a large-scale production environment.
The Role
You will be responsible for:
*
Managing and supporting Oracle and PostgreSQL databases in production environments
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Database installation, upgrades, patching and maintenance
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Performance tuning, query optimisation and troubleshooting complex database issues
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Designing and supporting high-availability and disaster recovery solutions
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Managing backups, recovery procedures and replication environments
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Monitoring and improving database health, availability and performance
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Supporting critical incidents and carrying out root cause analysis
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Working closely with Engineering, DevOps and Infrastructure teams
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Driving automation using modern scripting and cloud technologies
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Contributing to CI/CD and infrastructure improvement initiatives
Technical Environment
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Oracle 19c
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PostgreSQL
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AWS (RDS, Aurora, EC2)
*
CloudWatch
*
Python
*
PowerShell
*
AWS CLI
*
Terraform
GCS is acting as an Employment Business in relation to this vacancy.
Read lessDublin, Dublin County, Republic of IrelandContract
Senior Security Architecture Consultant📍 Dublin City Centre (Hybrid) 📅 12-Month Fixed Term ContractThe OpportunityA unique opportunity for an... Read more
📍 Dublin City Centre (Hybrid)
📅 12-Month Fixed Term Contract
A unique opportunity for an experienced security professional to work on the assessment and improvement of cybersecurity across complex digital and technology environments.
This role will suit individuals with strong technical security expertise who enjoy working across architecture, infrastructure, cloud security and enterprise security programmes.
Key ResponsibilitiesAssess and review security architectures across enterprise environments.Evaluate cybersecurity controls within network, cloud and infrastructure platforms.Conduct technical security assessments and assurance reviews.Provide guidance on security-by-design and resilience best practices.Identify technical risks and security improvement opportunities.Engage with senior technology stakeholders on cybersecurity strategy and implementation.What We're Looking For5+ years' experience within cybersecurity engineering, architecture, consulting or assurance.Strong technical knowledge in one or more of:Network SecurityCloud SecurityIdentity & Access ManagementSecurity OperationsInfrastructure SecuritySecurity ArchitectureExperience reviewing or designing enterprise-scale security solutions.Strong communication skills and ability to influence technical and business stakeholders.Ideal BackgroundsSecurity Architect * Cloud Security Consultant * Cyber Security Engineer * Infrastructure Security Lead * Security Assurance Specialist * Technical Security Consultant * Cybersecurity Architect
GCS is acting as an Employment Business in relation to this vacancy.
Read lessDublin, Dublin County, Republic of IrelandContract
Senior Cybersecurity Assurance Consultant📍 Dublin City Centre (Hybrid) 💰 €85,000 per annum 📅 12-Month Fixed Term ContractThe OpportunityWe're... Read more
📍 Dublin City Centre (Hybrid)
💰 €85,000 per annum
📅 12-Month Fixed Term Contract
We're seeking an experienced Cybersecurity Assurance professional to join a growing team responsible for strengthening cyber resilience across large-scale, business-critical environments.
This is an excellent opportunity for a consultant or in-house security professional with a strong foundation in governance, risk, compliance, audit and assurance.
Key ResponsibilitiesLead cybersecurity risk assessments and assurance reviews.Conduct audits against recognised security frameworks and standards.Review governance, risk management and control environments.Assess organisational compliance with cybersecurity obligations and best practice.Produce assessment reports, findings and recommendations for senior stakeholders.Support continuous improvement of security assurance and compliance programmes.What We're Looking For5+ years' experience within Cybersecurity GRC, Assurance, Audit or Risk Management.Strong knowledge of frameworks such as ISO 27001, NIST, CIS Controls, COBIT or equivalent.Experience performing cyber audits, assessments or compliance reviews.Strong reporting and stakeholder management capability.Professional certifications such as CISA, CISM, CRISC, ISO 27001 Lead Auditor or similar would be advantageous.Ideal BackgroundsCybersecurity GRC Consultant * Information Security Manager * IT Risk Consultant * Security Assurance Consultant * Cyber Audit Specialist * Compliance Manager * Governance & Risk Lead
GCS is acting as an Employment Business in relation to this vacancy.
Read lessDublin, Dublin County, Republic of IrelandFixed Term Contract
Cyber Resilience & Regulatory Consultant 📍 Dublin City Centre (Hybrid) 💰 €85,000 per annum + benefits 📅 12-Month... Read more
Cyber Resilience & Regulatory Consultant
📍 Dublin City Centre (Hybrid)
💰 €85,000 per annum + benefits
📅 12-Month contract
An exciting opportunity has arisen to join a large-scale cybersecurity and resilience programme focused on protecting critical digital services and infrastructure.
This role will suit professionals with experience in cybersecurity regulation, digital resilience, governance, public policy, compliance, or risk management who want to play a key role in shaping organisational readiness for evolving cyber regulations and resilience requirements.
Key ResponsibilitiesSupport the implementation and oversight of cybersecurity and resilience frameworks including NIS2, DORA and related regulatory requirements.Analyse legislation, standards and policy developments impacting cyber resilience.Engage with internal and external stakeholders to support regulatory readiness and compliance initiatives.Contribute to strategic resilience programmes and cybersecurity governance activities.Prepare reports, recommendations and briefings for senior decision-makers.Support awareness, engagement and consultation activities across a diverse stakeholder landscape.What We're Looking For5+ years' experience in cybersecurity policy, regulation, governance, compliance, risk management or resilience.Strong understanding of NIS2, DORA, ISO 27001, GDPR or similar frameworks.Experience interpreting regulations and translating requirements into practical actions.Excellent stakeholder engagement and communication skills.Ability to work across technical and non-technical teams.Ideal BackgroundsCybersecurity Regulation * Digital Resilience * Regulatory Affairs * Governance & Compliance * Information Security Governance * Public Sector Cybersecurity * Risk Management * Policy Development
GCS is acting as an Employment Business in relation to this vacancy.
Read lessDublin, Dublin County, Republic of IrelandFixed Term Contract
IT Security Architect We're looking for an experienced IT Security Architect to join an established organisation and play... Read more
We're looking for an experienced IT Security Architect to join an established organisation and play a key role in strengthening its security architecture, managing technology risk and ensuring secure solutions across a complex IT environment.
This is an opportunity to work closely with IT, infrastructure, cloud and project teams, helping shape security strategy and embed best-practice security controls across production platforms, new implementations and ongoing technology change initiatives.
Key ResponsibilitiesConduct IT security risk assessments, identify vulnerabilities and recommend appropriate mitigating controls.
Provide security architecture guidance throughout the project lifecycle, ensuring security requirements are embedded from design through to implementation.
Translate business and technical requirements into secure, scalable architecture designs.
Assess security risks and controls against recognised industry frameworks and standards.
Define, maintain and enhance enterprise and application security standards for production environments.
Support IT risk management activities, including the identification, assessment and reduction of technology risks.
Evaluate security technologies and recommend solutions aligned with business and technical requirements.
Develop architecture proposals and business cases to support improvements to existing IT environments.
Work with technical and business stakeholders to ensure proposed solutions are secure, practical and fit for purpose.
What They're Looking For
Strong xperience in IT Security Architecture or a closely related discipline.
Strong experience designing and implementing security architectures for complex, multi-component enterprise systems.
Experience developing conceptual, logical and physical security architecture documentation.
Demonstrable knowledge of cybersecurity frameworks and standards, including:
ISO 27001
NIST Cybersecurity Framework
PCI DSS
CIS Controls
Strong cloud security and architecture experience across AWS and Azure, including cloud-native services and secure integration with on-premises infrastructure and external systems.
A solid understanding of IT risk management, security controls and governance.
Experience working with software engineering and application development teams in complex, multi-project environments.
Ability to assess alternative solutions, provide clear recommendations and influence stakeholders to reduce risk.
A degree in Computer Science, Information Security or a related discipline, or equivalent practical experience.
Relevant certifications such as CISSP, CCSP, CISM, CISA or CRISC would be advantageous.
Interested? If you're an experienced Security Architect looking for your next opportunity, get in touch for a confidential conversation.
GCS is acting as an Employment Business in relation to this vacancy.
Read lessDublin, Dublin County, Republic of IrelandContract
Senior .NET Technical LeadRemote / hybrid within Ireland, with occasional travel to sites as required.Fixed term contract (sponsorship... Read more
Senior .NET Technical Lead
Remote / hybrid within Ireland, with occasional travel to sites as required.
Fixed term contract (sponsorship is not provided)
Overview
We are seeking an experienced Senior .NET Technical Lead to take ownership of business-critical Microsoft applications and services. This role combines technical leadership, application support, enhancement delivery, and stakeholder engagement within a fast-paced production environment.
Key Responsibilities
Own the technical direction, support, and ongoing development of .NET applications.Lead application transition and knowledge-transfer activities.Investigate and resolve complex production issues.Design and deliver enhancements, integrations, and change requests.Review architecture, code quality, and technical debt.Provide solution designs, technical estimates, and recommendations.Lead code reviews, releases, and deployment activities.Mentor developers and promote engineering best practices.Support roadmap planning and continuous improvement initiatives.Essential Experience
8+ years of commercial software development experience.Strong .NET / ASP.NET and modern .NET development expertise.Strong SQL Server development and performance optimisation skills.Experience with APIs, web services, and system integrations.Experience supporting business-critical production applications.Strong troubleshooting, debugging, and root-cause analysis skills.Experience with CI/CD, release management, and deployment processes.Previous Technical Lead, Lead Developer, or Senior Engineer experience.Additional Experience Valued
Experience with .NET Framework 4.8, .NET 8, Angular, SSRS, mobile applications, identity management, secure B2B integrations, or application transition projects would be beneficial.
GCS is acting as an Employment Business in relation to this vacancy.
Read lessDublin, Dublin County, Republic of IrelandFixed Term ContractRemote
Azure Operations Engineer We are seeking an experienced **Azure Operations Engineer** to support the management, maintenance and ongoing... Read more
Azure Operations Engineer
We are seeking an experienced **Azure Operations Engineer** to support the management, maintenance and ongoing improvement of a cloud infrastructure environment.
This role will suit an engineer with strong hands-on experience across Microsoft Azure, infrastructure operations, identity management and cloud security. You will be responsible for maintaining a secure, reliable and well-performing environment, troubleshooting complex technical issues and supporting the continuous improvement of cloud operations.
This is an infrastructure-focused position, ideal for someone with a strong Azure engineering background who enjoys working across cloud services, systems administration, security and automation.
## Key Responsibilities
- Manage, maintain and support Microsoft Azure infrastructure and cloud services.
- Monitor the performance, availability and health of the Azure environment, identifying and resolving operational issues.
- Troubleshoot complex infrastructure, connectivity and system-related incidents.
- Manage identity and access controls across Microsoft Entra ID (Azure AD), including permissions, authentication and access management.
- Support Windows Server environments, Active Directory and associated infrastructure services.
- Maintain and troubleshoot networking components, including DNS, DHCP, connectivity and network configurations.
- Implement and maintain security controls, infrastructure hardening and cloud security best practices.
- Support patching, upgrades, configuration management and vulnerability remediation.
- Identify opportunities to automate routine operational tasks using PowerShell and infrastructure automation tools.
- Contribute to infrastructure-as-code initiatives using tools such as Terraform, where applicable.
- Work closely with infrastructure, security and engineering teams to resolve issues and improve operational efficiency.
- Maintain technical documentation, operational procedures and infrastructure standards.
## Desired Experience
- Strong hands-on experience managing and supporting Microsoft Azure environments.
- Solid background in cloud infrastructure, IT operations or systems administration.
- Experience with Windows Server and Active Directory.
- Working knowledge of Microsoft Entra ID, identity management and access controls.
- Understanding of networking fundamentals, including DNS, DHCP, routing and connectivity troubleshooting.
- Experience troubleshooting infrastructure issues across cloud and enterprise environments.
##Bonus Experience
- Experience with Terraform or other infrastructure-as-code tools.
- Familiarity with Azure security services, monitoring and logging.
- Experience with vulnerability remediation, patch management and compliance requirements.
if you are a hands-on Azure infrastructure engineer who understands how to keep a cloud environment secure, stable and operating efficiently and you are omfortable investigating technical issues, managing day-to-day cloud operations and identifying opportunities to improve infrastructure reliability and security, THEN, this role is for you.
Candidates from Azure Infrastructure Engineering, Cloud Operations, Azure Administration or Systems Engineering backgrounds are encouraged to apply.
(note this is mid level position and you do not need to tick all the boxes to apply)
GCS is acting as an Employment Business in relation to this vacancy.
Read lessDublin, Dublin County, Republic of IrelandContract
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