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Purpose of the role

To build and maintain infrastructure platforms and products that support applications and data systems, using hardware, software, networks, and cloud computing platforms as required with the aim of ensuring that the infrastructure is reliable, scalable, and secure. Ensure the reliability, availability, and scalability of the systems, platforms, and technology through the application of software engineering techniques, automation, and best practices in incident response.

To be successful in this role as an Infrastructure Engineer - Production Network Engineering, you should possess the following skillsets:

Extensive experience as an individual contributor in the design, build and operate of Telco hardened virtual infrastructure ecosystems for example Openstack, Kubernetes, QEMU, KVM, HCI spanning Cloud Platforms such as Public, Edge, Private and uCPE Platforms for example x86, Arm CPU architectures to enable the delivery of heterogeneous network systems, products and services at enterprise scaleDeep understanding of open-source networking technologies for example kernel (including eBPF, AF_XDP), OVS, OVN, SoNIC, DENT, Switchdev, ONF stack, Iwd, NetworkManager, including data path acceleration protocols and interfaces such as RDMA, RoCE, iWARP, NVMe, SR-IOV and DPDK, alongside familiarity with Cloud Native Functions and Container Networking Interface pluginsExperience in multi-layered IP Network engineering including good experience in network programming / automation, IaC, configuration management tools and data modelling for example RESTCONF, NETCONF/YANG, Python, Shell, Ansible, Saltstack, Terraform, CloudFormation, ARM; with demonstrable experience of DevOps, agile methodologies and CI/CD pipelines

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

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Business Analyst - SAP S/4HANA Upgrade (Data Migration & FMCG)

📍 Hybrid (Dublin 24-based)
💼 6 month day rate contract

We're hiring a Business Analyst to support a major SAP ECC 6 to S/4HANA upgrade programme for a leading organisation in the FMCG sector. This is a contract role focused on data migration and business process transformation. You'll join a team led by the programme's Lead BA, working alongside an existing data migration BA.

🔧 What You'll Do

Collaborate with business and IT stakeholders to gather and document functional and technical requirementsSupport data migration activities including mapping, cleansing, validation, and reconciliationFacilitate workshops and drive stakeholder engagement across FMCG business unitsAssist in testing, cutover planning, and post-go-live supportEnsure alignment with SAP S/4HANA best practices and project timelines

✅ What We're Looking For

Proven experience as a BA on SAP ECC to S/4HANA upgrade projectsStrong understanding of data migration processes and toolsBackground in FMCG or similar fast-moving industriesExcellent communication and stakeholder management skillsAbility to work independently and collaboratively in a hybrid setup

📄 Contract Details

Start: ASAPLocation: Hybrid (Dublin 24-based)Rate: competitive rate on offer DOE

📬 The Next Step for You

Should this position be of interest, please forward your CV to Oisín Geoghegan at GCS Tech Talent:
📧 [email protected]
📞 01 9014378

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

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Overview

We are seeking an experienced Cyber Security Project Manager to lead the planning, execution, and delivery of security initiatives across the organization. The successful candidate will manage multiple cyber projects, ensuring alignment with business objectives, compliance requirements, and security best practices.

Key Responsibilities

Lead and manage the end-to-end delivery of cyber security projects, including scoping, planning, budgeting, scheduling, and reporting.

Coordinate with internal teams (IT, Security Operations, Infrastructure, Compliance) and external vendors to deliver projects on time and within scope.

Implement and oversee projects related to threat detection, vulnerability management, incident response, security tooling, and governance improvements.

Maintain and manage project documentation including plans, RAID logs, risk registers, and project status reports.

Ensure adherence to corporate project management methodologies (PRINCE2, Agile, or hybrid).

Manage stakeholder expectations and provide clear communication to technical and non-technical audiences.

Support the development and enforcement of security policies, standards, and procedures.

Track project performance, identify risks or dependencies, and implement corrective actions.

Contribute to continuous improvement across the Cyber PMO and project governance frameworks.

Requirements

Proven experience delivering cyber security or IT security projects within complex environments.

Strong understanding of information security principles, frameworks, and controls (e.g. ISO 27001, NIST, Cyber Essentials Plus).

Experience managing projects involving tools such as SIEM, XDR, vulnerability management, or cloud security platforms.

Excellent organizational, communication, and stakeholder management skills.

Proficiency with project management tools (MS Project, Jira, SharePoint, Teams, etc.).

Recognized project management certification (PRINCE2, PMP, or Agile) preferred.

Security certification such as CISSP, CISM, CISA, or equivalent is advantageous.

Desirable Experience

Working with managed security service providers (MSSPs) or SOC environments.

Experience delivering cloud security initiatives (Azure, AWS, M365).

Knowledge of risk management and compliance processes in regulated industries.

The Next Step for you:

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 Agency in relation to this vacancy.

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Tier 1 Bank - Canary Wharf - 6 month contract - Documentation SME / Administrator

Candidate must be fluent Japanese, both written and verbal.

Role - Development Team Administrator

Duration - 6 months with very likely extension

Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office (London)

Rate - £380 per day (Inside IR35)

Role Profile -

Administration tasks in the Development Team to support the team's day to day activities.Managing documentation of Development Team. Providing general system support for business users across global offices

Tasks -

Team Operations & Senior Management Support

Provide essential administrative support to the Development team, ensuring application programmers can operate efficiently and without disruption.Assist senior management by preparing documentation, coordinating development activities, managing external vendor budgets, and overseeing configuration drives.

Documentation & Standards Compliance

Maintain and update development documentation in alignment with established standards, ensuring consistency and traceability throughout the development lifecycle.

Recruitment & Onboarding Coordination

Manage recruitment activities including candidate tracking, interview scheduling and facilitation, offer handling, and coordination with external partners.Support onboarding of new hires by setting up accounts, configuring access permissions, and conducting induction sessions to ensure smooth integration into the team.

Contractor & Staff Administration

Handle contractor-related processes such as conversions to permanent roles, rate revisions, and certain visa-related matters.Provide general workforce support and administration across the team.

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

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Job Title: Business Process Analyst
Location: Fully Remote (Ireland-based)
Duration: Until December 2025 (planned extension to October 2026)
Work Hours: Primarily U.S. EST (approx. 2 PM - 11 PM Irish time, flexible)

Role Overview:
We are seeking a detail-oriented Business Process Analyst to support a global team that creates and maintains scalable business-case and financial content used by customer-facing functions. The role focuses on data accuracy, content validation, and operational support, ensuring materials remain current, consistent, and aligned with evolving business priorities and technologies.

Key Responsibilities:

Maintain, validate and update financial and value-based content assets.Perform data clean-up, validation and organisation within content repositories (Excel/Google Sheets).Support product-related financial content and ensure consistency across tools and systems.Collaborate within a small, dynamic team to manage updates and change.Identify data inconsistencies and propose simple process or data-structure improvements.Participate in short assessments or interviews related to numerical and data-quality skills.

Required Skills & Experience:

Minimum 2 years' experience in a role involving regular work with numbers/data (e.g., accounting, banking, finance, business operations).Strong attention to detail and commitment to data accuracy.Proficient in Microsoft Excel (formulas, tables, formatting); Google Sheets experience is a plus.Basic understanding of financial concepts and content related to business case material.Comfortable working core hours overlapping U.S. Eastern Time (minimum ~6 hours overlap).Able to work remotely from within Ireland and legally eligible to work in Ireland for the contract duration.Collaborative communicator with experience operating in small, distributed teams.

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

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My client, a global bank is looking for a Technical Product Manager on a 6 months (rolling) contract basis. This person will be managing the technical delivery of software and application development across multiple projects and workflows, focusing on the product side in-between the business and technical teams. The candidate will be road mapping, feeding into requirements, pushing back at TPM level, and working closely with Stakeholders and technical teams to drive projects:

Technical Product Management - 5+ years of experience - Need to have managed and delivered multiple Products and work streams within application development at any given time i.e. managing 5+ projects or programmes Stakeholder Management - Planning and managing expectations of business and able to drive projects and push things throughExperience with managing and understanding software development and application products and projects, to be able to talk technical with technical teams, and non-technical to Stakeholders.Financial Services experience needed

- 2 Step Interview

- Hybrid, 3 days in office a week

Please apply if you have the required experience.

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

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Global bank based in Canary Wharf.

Role - C# / WPF / WCF / Winform Developer

Duration - 6 months with likely extension

Rate - £415 p/d (inside IR35)

Location - Remote / Canary Wharf

Tech Stack

C#WPFWinformsSQLOracle

Tasks

Tasks range from understanding business requirements, designing application structures, business data analysis, programming WPF (Windows Presentation Foundation) applications in Visual C#.NET on both Oracle and SQL Server database, testing with users, implementation through Development, Quality Assurance (QA), Production and Disaster Recovery environments. Supporting users and writing operation documents including User Helps (manuals) will also be required.As well as application development, this role will also include all aspects of system constructions and support for existing programmes which are written as WinForms (C#.NET) applications. Also, applications written in other languages like MS VBA for Excel and Access, MS VB and MS Excel Macros will also be required.

Additional Tasks

Defining Database objects required in systems to connect with SQL and Oracle Database Administrators in both London and New York.Providing script for database inquiry languages, i.e., T-SQL (SQL Server) and PL/SQL (Oracle) to perform data analysis based on requirements from business parties.Setting up a system distribution method to Citrix and application servers for both Web and Window applications.Troubleshooting systems in an event of failure and implementing necessary solutions by checking Windows Operating System, Internet Information Server and any other relevant environments where the applications are running. In some case this role will act to liaise with other application support team staff.Following the existing team programming policy to keep a common development style to be shared in team members.Updating versions of MS .Net Framework and MS Visual .NET platform to include any necessary changes of existing systems running in Production.Liaising with the relevant support teams such as other Development sections, Technical Support, Network and Infrastructure and DBA where Business users experience system problems.Assessing the impact of data processing loads on SQL and Oracle database and, when appropriate, finding alternative approaches.Rolling out changes with a coordination of Release manager. It is important to maintain the change history of applications

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

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Azure Platform Engineer - Data / Terraform / MLOps - Hybrid

Location: Hybrid (London / Remote - UK Based)
Start Date: ASAP
Duration: 6 months initial

Overview:

We are looking for a talented Azure Platform Engineer with solid data engineering and MLOps experience to join a forward-thinking data platform team. You will play a key role in building and optimising Azure-based infrastructure to support large-scale data and machine learning workloads.

This role sits at the intersection of DataOps, DevOps, and MLOps - ideal for engineers who thrive on automation, scalability, and cloud-native design.

Key Responsibilities:

Design, build, and maintain Azure data and ML platform infrastructureDevelop and manage CI/CD pipelines using Azure DevOps and TerraformAutomate provisioning and configuration of Azure resources (Data Factory, Synapse, Databricks, Key Vault, etc.)Implement MLOps best practices for model training, deployment, and monitoringCollaborate with Data Scientists, ML Engineers, and Platform teams to deliver robust, automated solutions

Essential Skills & Experience:

Azure Expertise:

Strong experience across Azure Data Services (ADF, Synapse, Databricks, Azure ML)Deep understanding of cloud networking, security, and governance

Infrastructure as Code (IaC):

Terraform - advanced use of modules, workspaces, and state managementAutomating resource deployment and scaling in enterprise Azure environments

MLOps / DataOps:

Azure ML, MLflow, or Databricks MLOps frameworksBuilding automated pipelines for model training and deploymentIntegration of CI/CD with data and ML workloads

Please send across an updated CV if this is of interest

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

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Contract IAM Engineer (Entra ID / Azure AD)

We're looking for an experienced Identity & Access Management Engineer to support an engagement focused on strengthening and simplifying our Microsoft Entra ID (Azure AD) environment.

You'll lead a targeted review across Conditional Access, SSO integrations, guest access, and Key Vault usage - identifying risks, overlaps, and opportunities to streamline configuration. The ideal person can combine hands-on technical depth with the ability to explain Entra ID concepts clearly to non-specialists.

Key Deliverables

Conditional Access: Audit and rationalise CA policies; recommend a simplified, risk-tiered model.SSO Integrations: Review SAML/OIDC/OAuth configurations; standardise onboarding and lifecycle.Guest & External Access: Assess B2B settings and governance of external users.Non-Human Identities & Key Vault: Inventory service principals and app registrations; assess Key Vault access controls and secret rotation.Authentication & MFA: Strengthen MFA coverage and retire weak authentication methods.Monitoring & Governance: Review Entra ID Protection, Sentinel logging, and documentation hygiene.

Requirements

Strong experience with Entra ID / Azure AD, Conditional Access, and SSO.Familiarity with Azure Key Vault, Managed Identities, and PIM.Excellent communication skills - able to present findings and explain risk to non-technical audiences.

This is a hands-on, high-impact contract ideal for a seasoned Entra ID professional who can assess, document, and recommend improvements within a focused window.

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

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We are seeking an experienced and client-focused Solution Designer professional to join one of our leading banking clients on a permanent basis at Vice President (VP) level.

Locations: Knutsford
Work Model: Hybrid (2 days per week in the office)

To be successful as a Solution Designer, you should have experience with:

Experienced in VMware Cloud Foundation (VCF) products; SDDC, VMware VCenter and ESX 6.x, 7.x, VRA, VRO, vROPs and other.Capacity to troubleshoot technical issues.Strong documentation skills using confluence and other information repositories.Some other highly valued skills may include

Some other highly valued skills may include:

Good understanding of network technologies, including VMware NSX-V & NSX-TCertification of VMware 6.5 Data Center Virtualization (VCP6.5-DCV) or equivalent preferredCertification of VMware- Network Virtualization (VCP6-NV) a big plusContainerisation (OpenShift, Kubevirt, Harvester)

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

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