Networks & Infrastructure

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Build the foundations of tomorrow’s technology and innovation with networks & infrastructure.

We specialise in connecting talented professionals with the organisations that are transforming the world through cutting-edge networks and infrastructure technology. With years of experience and a strong focus on network solutions, cloud infrastructure, and IT operations, we help you navigate the complex and evolving landscape of the tech world. Providing tailored career guidance to align your skills and aspirations with the right job opportunities, helping you build a career that thrives within the digital transformation era.

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We support a wide range of Networks & Infrastructure roles, from entry-level positions to leadership opportunities. From network engineering, systems administrators, cloud specialists, to IT infrastructure managers, we have access to exclusive roles with industry leading companies at the cutting edge of technology. We cover:

  • Incident Response
  • Applications Administrator
  • 1st Line Support Engineer
  • 2nd Line Support Engineer
  • 3rd Line Support Engineer
  • Cyber Security Engineer
  • Support Engineer
  • Network Implementation Engineer
  • And many more...
Our approach is tailored to your needs and career aspirations. We understand job satisfaction is about more than just technical skills. Search the latest opportunities today.

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Latest Jobs

Senior Data Engineer

Added 07/02/2026

Senior Data EngineerDublin, Ireland | Hybrid | 12-month ContractAbout the CompanyOur client is a large, global technology-driven organisation operating in a highly regulated, data-rich industry, delivering services at scale to millions of customers worldwide.About the RoleAs a Senior Data Engineer, you will develop and maintain data pipelines that extract, transform, and load (ETL) data from a wide variety of sources into centralised data platforms such as a data warehouse or data lake. You will ensure the smooth, reliable flow of data from source to destination systems while upholding rigorous data quality and integrity standards, working within a highly regulated environment.Primary...

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M365 Technical Architect

Added 06/26/2026

Microsoft 365 Technical Architect📍 Dublin (Hybrid) 📅 12-Month Contract | Strong Likelihood of ExtensionWe're working with a large enterprise client that is looking to hire an experienced Microsoft 365 Technical Architect to join a major workplace transformation programme.This is an architecture role where you'll take ownership of the design and delivery of enterprise Microsoft 365 solutions, leading large-scale tenant migrations while ensuring security, governance and compliance across a complex environment.ResponsibilitiesDesign end-to-end Microsoft 365 architecture across Exchange Online, Teams, SharePoint Online and OneDrive.Develop target-state architecture, migration strategies and implementation roadmaps.Lead enterprise tenant-to-tenant migrations and divestiture activities.Deliver Day 1 / Day 2...

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IT Support - (Microsoft Identity Manager (MIM) - Mandatory)

Added 06/22/2026

Role DescriptionTechnical Analyst RoleProvide Level 2 (L2) operational support for existing Identity & Access Management systems, with a focus on Microsoft Identity Manager (MIM) and related integrations. You'll handle incident triage, service restoration, monitoring, and problem management, using SQL and .NET knowledge to diagnose issues and work with L3/engineering teams on fixes.Key Accountabilities:Own L2 support for MIM Sync and MIM Service in production and non-production environments.Triage and resolve incidents: analyse logs, identify failure points, restore service within agreed SLAs.Monitor scheduled sync/provisioning jobs; manage reruns, stuck requests, connector failures, and data exceptions.Perform operational activities:User/account provisioning exceptions (joiner/mover/leaver fallouts)Access request workflow fallouts...

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L2 Support Analyst - MIM

Added 06/18/2026

Role DescriptionTechnical Analyst RoleProvide Level 2 (L2) operational support for existing Identity & Access Management systems, with a focus on Microsoft Identity Manager (MIM) and related integrations. You'll handle incident triage, service restoration, monitoring, and problem management, using SQL and .NET knowledge to diagnose issues and work with L3/engineering teams on fixes.Key Accountabilities:Own L2 support for MIM Sync and MIM Service in production and non-production environments.Triage and resolve incidents: analyse logs, identify failure points, restore service within agreed SLAs.Monitor scheduled sync/provisioning jobs; manage reruns, stuck requests, connector failures, and data exceptions.Perform operational activities:User/account provisioning exceptions (joiner/mover/leaver fallouts)Access request workflow fallouts...

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Senior Field Engineer (L3)

Added 06/18/2026

Level 3 Field Engineer 📍 Multi-Site Environment 📅 12-Month Rolling Daily Rate Contract 💰 Competitive Daily Rate 🏢 Public Sector ClientWe are seeking an experienced Level 3 Field Engineer to join a large public sector organisation on a long-term contract basis.This is a predominantly Level 3 Infrastructure Support role, focused on maintaining, improving, and securing core IT infrastructure across multiple sites. You'll act as a senior technical escalation point, supporting both operational infrastructure and project delivery initiatives.Key ResponsibilitiesProvide Level 3 support across Windows Server, Active Directory, networking, and endpoint infrastructure.Administer and maintain Windows Server environments and core infrastructure services.Manage Active...

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Senior Field Engineer (L3)

Added 06/18/2026

Senior Field Engineer (L3) 📍 Multi-Site Environment 📅 12-Month Rolling Daily Rate Contract 💰 Competitive Daily Rate 🏢 Public Sector ClientWe are seeking an experienced Level 3 Field Engineer to join a large public sector organisation on a long-term contract basis.This is a predominantly Level 3 Infrastructure Support role, focused on maintaining, improving, and securing core IT infrastructure across multiple sites. You'll act as a senior technical escalation point, supporting both operational infrastructure and project delivery initiatives.Key ResponsibilitiesProvide Level 3 support across Windows Server, Active Directory, networking, and endpoint infrastructure.Administer and maintain Windows Server environments and core infrastructure services.Manage Active...

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"The guys at GCS are a fantastic group. I have worked alongside them on several projects, and have found them to be an enthusiastic and friendly group of people who are passionate about what they do..."


- Software Engineer

77

%

Net Promoter Score
(NPS) based on excellent
candidate reviews –
Jan 2025*

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