Senior Analyst - Identity & Access Management (IAM) (Contract)

Added 25/06/2026

Senior Analyst - Identity & Access Management (IAM) (Contract)Location: London (hybrid)Duration: 6 monthsEngagement: Inside IR35OverviewA Senior IAM Analyst is required to support and enhance identity and access management capabilities across a large-scale, enterprise environment. The role will focus on strengthening access controls, improving identity governance, and supporting ongoing transformation initiatives.Key Responsibilities* Support the design, implementation and optimisation of IAM controls and processes* Manage and improve user lifecycle management (joiners, movers, leavers)* Conduct access reviews, recertifications, and role-based access control (RBAC) activities* Ensure enforcement of least privilege and segregation of duties (SoD)* Work with application and infrastructure teams to onboard systems...

DevOps Engineer (IAM - Identity Access Management)

Added 11/05/2026

In this role, you will: Design, build, and maintain CI/CD pipelines for IAM components, policies, connectors, microservices, and integrations.Enable automated testing, security scanning, and controlled deployments across DEV/TEST/PROD environments.Implement continuous improvement to streamline IAM release processes.Develop and maintain IaC (Terraform, Ansible for deploying IAM infrastructure, identity policies, directories, and supporting platforms.Ensure consistent, repeatable environments and compliance with architectural standards.Develop scripts and automation for account lifecycle operations, access provisioning, and system integrations.Deploy IAM services or related microservices on Kubernetes, cloud-native platforms, and serverless environments.Manage containerisation, service mesh integrations, certificates, and secrets for IAM workloads.Embed security into the build and deployment process,...

Security Architect (AppSec and Network Security) - B2B

Added 06/04/2026

Role: Security Architect (AppSec and Network Security) - B2BDuration: 6-month rolling contractWorking Pattern: Krakow, Hybrid (handful of days per month)GCS Cyber are partnered with a global financial services organisation undergoing multiple large-scale transformation programmes across their Cyber Security division. They are now looking for a Security Architect who has extensive experience managing end-to-end solution designs within large-scale transformation programmes with a heavy focus on Network Security and Application Security Proven experience producing high-level solution designs in line with business requirements.Proven ability to conduct security assessments and threat modelling to inform design decisions.Strong background in cybersecurity, with deep expertise in network...

Change Leadership (Enterprise level, Transformation) - Hybrid

Added 02/07/2026

Key roles and responsibilities As the Business change and adoption lead, you will have a number of challenging responsibilities including: Engagement:Work with the programme team to align on the "case for change", the "Why", "What" and "how"Engage with senior stakeholders to articulate the programme vision and end stateStorytelling and ability to manage senior stakeholders through the deployment timelinesCreate and execute a plan of engaging the regional leads to drive local transformationsBuild and develop a sponsor coalition and a change network who embrace the change and help their colleagues to do the sameDefine the change and adoption approach for the digital...

C# Developer Role - Hybrid - Banking

Added 16/06/2026

C# Developer Role - Hybrid / Liverpool street - 6 month Contract - Banking Role - C# Developer (T/SQL, PL/SQL)Duration - 6 months with very likely extensionLocation - Hybrid / Liverpool Street (London) - 3 days per week in a Liverpool Street officeRate - £690 per day (Inside IR35)Tech StackC#SQLOracle TasksTasks include understanding business requirements, designing applications, business data analysis, programming in Visual C#.NET using both Oracle and SQL Server database, Unit testing, Quality Assurance (QA), Implementation, Production and Disaster Recovery environments supporting users and preparing documents.Along with the application development, this role will also include supporting the existing C#...

C# Developer Role - Hybrid - Banking

Added 03/06/2026

C# Developer Role - Hybrid / Liverpool street - 6 month Contract - Banking Role - C# Developer (T/SQL, PL/SQL)Duration - 6 months with very likely extensionLocation - Hybrid / Liverpool Street (London) - 3 days per week in a Liverpool Street officeRate - £690 per day (Inside IR35)Tech StackC#SQLOracle TasksTasks include understanding business requirements, designing applications, business data analysis, programming in Visual C#.NET using both Oracle and SQL Server database, Unit testing, Quality Assurance (QA), Implementation, Production and Disaster Recovery environments supporting users and preparing documents.Along with the application development, this role will also include supporting the existing C#...

RabbitMQ SME | Sheffield (Hybrid)

Added 27/05/2026

🚀 One of our leading banking clients is looking for an experienced RabbitMQ SME to join a large-scale PAM & Security transformation programme.📍 Sheffield, UK (Hybrid)📅 ASAP Start📄 Contract until Nov 2026 Key ResponsibilitiesDeploy and manage RabbitMQ clustersBuild resilient multi-site messaging solutionsWork with Kubernetes, Docker & HELMAutomate deployments using Python & PowerShellSupport secure enterprise infrastructure environmentsSkills Required✔ RabbitMQ (Queues, Exchanges, Shovels, Clustering)✔ Kubernetes & Docker✔ Python & PowerShell✔ Linux / Windows environmentsIdeal for a senior infrastructure/platform engineer with strong messaging, automation and DevOps expertise.📩 Apply now or reach out directly for more information.GCS is acting as an Employment Business in...

C# Developer Role - Hybrid - Banking

Added 21/05/2026

C# Developer Role - Hybrid / Liverpool street - 6 month Contract - Banking Role - C# Developer (T/SQL, PL/SQL)Duration - 6 months with very likely extensionLocation - Hybrid / Liverpool Street (London) - 3 days per week in a Liverpool Street officeRate - £690 per day (Inside IR35)Tech StackC#SQLOracle TasksTasks include understanding business requirements, designing applications, business data analysis, programming in Visual C#.NET using both Oracle and SQL Server database, Unit testing, Quality Assurance (QA), Implementation, Production and Disaster Recovery environments supporting users and preparing documents.Along with the application development, this role will also include supporting the existing C#...

IT Project Manager - Biotech - Hybrid

Added 20/05/2026

Role - Project ManagerRate - £400 - £500 per day inside IR35Duration - 6 months with very likely extensionLocation - Hybrid / Middlesbrough office (2 days a week in the office)The RoleIT Project Manager to join a leading biotech organisation delivering critical technology programmes within a GxP-regulated environment.Key ResponsibilitiesLead the delivery of IT programmes and projects within GxP-regulated environmentsManage full project lifecycle including planning, execution, governance, and deliveryDrive stakeholder engagement across technical, scientific, and business teamsEnsure alignment across stakeholders with competing prioritiesProvide clear and consistent project reporting, including risks, milestones, and financialsOversee technical delivery teams, including internal resources and third-party...

C# Developer Role - Hybrid - Banking

Added 05/05/2026

C# Developer Role - Hybrid / Liverpool street - 6 month Contract - Banking Role - C# Developer (T/SQL, PL/SQL)Duration - 6 months with very likely extensionLocation - Hybrid / Liverpool Street (London) - 3 days per week in a Liverpool Street officeRate - £690 per day (Inside IR35)Tech StackC#SQLOracle TasksTasks include understanding business requirements, designing applications, business data analysis, programming in Visual C#.NET using both Oracle and SQL Server database, Unit testing, Quality Assurance (QA), Implementation, Production and Disaster Recovery environments supporting users and preparing documents.Along with the application development, this role will also include supporting the existing C#...

Application packager- Hybrid

Added 22/04/2026

Knowledge, Skills & ExperienceProven experience working with Microsoft Azure, with a strong understanding of core platform servicesHands-on experience supporting or operating Azure Virtual Desktop (AVD) environments.Practical knowledge of Zscaler (or equivalent Secure Web Gateway / Zero Trust Network Access solutions) in an enterprise environmentExperience supporting application packaging and deployment, ideally in a virtual desktop or managed desktop environmentUnderstanding of Zero Trust security principles, particularly in relation to user access, application access and internet egressExperience working on IT integration, migration or transformation projects, preferably within complex or regulated environmentsAbility to gather, analyse and document technical information to support delivery activities and...

2nd Line Engineer- Hybrid (Outside IR35)

Added 20/04/2026

Essential RequirementsReliability and infrastructure services. Focus on patching of vulnerabilities with our digital Windows and WMWare environment within our data centers and Cloud environments. Service Scope and DeliverablesSystem and application patching on the following technologies:Citrix.Hardware.VMWare.Windows Server.M365.Core data centre services such as AD, Group Policy, DNS, VPN, AV, MFA, WSUS, SCCM, monitoring tools etc.SAN storage and backup.Multi Factor Authentication.MS AzureVulnerability assessment and patch identification.Patch prioritisation and risk scoringPatching using technologies WSUS and Tanium.Testing and deploying patching to ensure they do not impact productionConfirmation and validation of successful patch deploymentCreation and input into RFC process as part of ITSMGCS is acting as...

Bigdata Java developer- Hybrid/Farnborough

Added 26/03/2026

Job Description:JavaSpring bootExperience with one of UI technologyExpertise in key technologies to be leveraged by the team including Java, CI/CD technologies.Experience in S3, Snowflake, PostgresExperience working with containerization and orchestration platforms (Kubernetes/Openshift) and cloud providers like AWS, Azure, GCP or others.Experience in key technologies to be leveraged by the team including Java, CI/CD technologiesExperience working with a variety of data platforms such as S3, SnowflakeExperience building and implementing API service architecturesUnderstanding of software testing principles and methodologiesExperience in high availability & scalability design, as well as performance monitoringGCS is acting as an Employment Business in relation to this vacancy.

Network Engineer

Added 26/06/2026

The Network Field Engineer is responsible for the onsite implementation, validation, and troubleshooting of enterprise Wi‑Fi and LAN infrastructure within data center environments. This role requires strong hands-on expertise in wireless networking, switching, and system integration, with a focus on execution quality, performance optimization, and rapid issue resolution.The engineer works closely with project managers, design engineers, and customer teams to ensure deployments meet design intent, operational requirements, and defined performance KPIs.Key ResponsibilitiesSite Assessment & ValidationValidate field conditions against design documentation (floor plans, rack layouts, RF designs)Conduct site surveys, measurements, and documentation when requiredCapture field updates including photos, markups, and design...

Network Engineer

Added 26/06/2026

The Network Field Engineer is responsible for the onsite implementation, validation, and troubleshooting of enterprise Wi‑Fi and LAN infrastructure within data center environments. This role requires strong hands-on expertise in wireless networking, switching, and system integration, with a focus on execution quality, performance optimization, and rapid issue resolution.The engineer works closely with project managers, design engineers, and customer teams to ensure deployments meet design intent, operational requirements, and defined performance KPIs.Key ResponsibilitiesSite Assessment & ValidationValidate field conditions against design documentation (floor plans, rack layouts, RF designs)Conduct site surveys, measurements, and documentation when requiredCapture field updates including photos, markups, and design...