GCS

10 job(s) at GCS

GCS Bletchley, Buckinghamshire
18/02/2026
Contractor
The Role We are seeking a Junior 1st Line Support Engineer for a short-term contract position to join our support team at our Milton Keynes HQ. This role is ideal for someone early in their IT career who is looking to gain valuable experience in a fast-paced support environment. As the first point of contact for our clients, you will be responsible for answering incoming support calls, performing initial triage, and resolving basic IT issues over the phone. You will work as part of a blended team of 1st Line, FCR, and 2nd Line engineers, with opportunities to learn from more experienced colleagues. We're looking for someone with a positive attitude, good communication skills, and a genuine interest in IT who can provide excellent customer service while developing their technical abilities. Key Responsibilities Answering incoming support calls and providing first-line telephone support Performing initial triage to assess and prioritise support requests Resolving basic IT issues over the phone, including: Password resets and account unlocks Basic desktop and application troubleshooting Email and Office 365 basic issues Printer connectivity and basic configuration User guidance on standard software applications Accurately logging all support requests as tickets with clear, detailed information Escalating more complex issues to senior engineers with relevant context and troubleshooting steps already taken Keeping clients informed throughout the support process with regular updates Managing your personal ticket queue and ensuring timely closure of resolved issues Essential Requirements Basic understanding of IT fundamentals (Windows OS, Office 365, email systems) Excellent telephone manner and customer service skills Strong communication skills with the ability to explain technical concepts to non-technical users Patient and empathetic approach when dealing with frustrated users Good organisational skills and attention to detail Ability to multi-task and work in a busy environment Willingness to learn and ask questions when unsure Availability to start at short notice Desirable Experience Previous experience in a customer service or support role Experience using ticketing systems Basic knowledge of Active Directory Familiarity with remote support tools Any IT certifications (CompTIA A+, Microsoft, etc.) Personal Qualities Friendly and approachable demeanour Professional telephone manner Positive, can-do attitude Calm under pressure Team player who is happy to support colleagues Eager to learn and develop IT skills Takes pride in helping others and resolving issues GCS is acting as an Employment Business in relation to this vacancy.
GCS
18/02/2026
Contractor
Collibra Integration Engineer Role - Hybrid/Canary Wharf - 6 month Contract - Banking Tier 1 Bank - Regulatory Reporting Team Role - Collibra Integration Engineer Duration - 6 months with very likely extension Location - Hybrid/Canary Wharf - 3 days per week in a Canary Wharf office Rate - £415 per day (inside IR35) Tasks Administer and maintain the Collibra platform from an IT engineering perspective, including configuration, health monitoring, troubleshooting, and performance management across EMEA environments. Configure, schedule, and manage integrations using DIP/CDQ, EDGE, and Lineage Harvester, ensuring consistent ingestion of metadata, schemas, and lineage from multiple data sources. Perform connectivity and prerequisite validation with Application teams, ETL teams, and DBAs, including driver installation, credential management, network/Firewall requirements and technical onboarding for new data sources. Investigate and resolve incidents related to Collibra integrations, lineage ingestion, and platform availability; collaborate with infrastructure teams to address root causes and prevent reoccurrence. Ensure configuration consistency across environments (DEV/QA/PROD), maintaining runbooks, documentation, and standard operating procedures. Provide regular, clear updates on operational status, risks, and issues to Development Managers and stakeholders. Additional Tasks Support EMEA-wide Collibra platform stability by monitoring ingestion pipelines, schema drift, job failures, and performance degradation, ensuring reliable metadata and lineage availability Maintain technical documentation, including integration configurations, onboarding guides, troubleshooting logs and operational checklists Assist with access control operations, ensuring proper provisioning, least-privilege consistency, and audit-readiness for regulatory requirements Participate in technical testing for new features, patches, and platform improvements, raising risks or gaps early in collaboration with vendor support and internal IT teams. GCS is acting as an Employment Business in relation to this vacancy.
GCS
18/02/2026
Contractor
IT Compliance Support Engineer - Hybrid / Canary Wharf - 6 month Contract - Banking Tier 1 Bank - Regulatory Reporting Team Role - IT Compliance Support Engineer Duration - 6 months with very likely extension Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office Rate - 415 per day (Inside IR35) Role IT Compliance Support Engineer to join a development team and act as the primary liaison with internal/external audit, compliance, and IT security counterparts. This role combines governance with technical capability-supporting audits, demonstrating IT controls, and troubleshooting or coordinating resolution of issues across Azure DevOps pipelines, ServiceNow change management, and Jira requirement workflows. You will help us evidence good practice, reduce audit friction, and improve developer productivity by ensuring our controls are both effective and practical. Tasks Audit & Compliance Liaison Act as the single point of contact for internal/external audit, compliance, and IT security. Handle audit requests, walkthroughs, and create timely evidence (C# source code, SQL scripts, server config, Azure DevOps logs, ServiceNow change records, Jira artefacts). Maintain an audit-ready repository of artefacts and narratives (control matrices, process maps, and access log review). Interpret Technical Details for Auditors Ability to understand C# code and SQL scripts to verify logic and queries. Interpret permissions (Windows, Azure AD, Azure DevOps) and explain them clearly to auditors. Translate technical details into auditor-friendly narratives. IT Controls & Governance Operate and improve general IT controls (GITC) across change management, access control, backups/recovery, incident/problem management. Ensure segregation of duties, peer reviews, approvals, and traceability for production changes. Embed controls within Azure DevOps pipelines (e.g., gated approvals, policy enforcement). Evidence & Documentation Create and maintain clear documentation: SOPs, control narratives, diagrams, audit evidence packs. Support Risk Assessments Assist or act on behalf of the Application Service Owner in completing required risk and compliance assessments (e.g., security, operational resilience, regulatory checks) as per internal governance standards and workflows. Ensure timely submission of assessment artefacts and coordinate with relevant stakeholders for approvals and remediation actions. Coordinate Audit/Assessment/Security Defect Remediation Track and manage remediation of audit findings, control gaps, and assessment defects. Work with developers, platform teams, and risk owners to ensure timely closure and evidence of remediation. Provide regular status updates to stakeholders and maintain defect logs for audit readiness. GCS is acting as an Employment Business in relation to this vacancy.
GCS
18/02/2026
Contractor
Collibra Integration Engineer Role - Hybrid / Canary Wharf - 6 month Contract - Banking Tier 1 Bank - Regulatory Reporting Team Role - Collibra Integration Engineer Duration - 6 months with very likely extension Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office Rate - 415 per day (inside IR35) Tasks Administer and maintain the Collibra platform from an IT engineering perspective, including configuration, health monitoring, troubleshooting, and performance management across EMEA environments. Configure, schedule, and manage integrations using DIP/CDQ, EDGE, and Lineage Harvester, ensuring consistent ingestion of metadata, schemas, and lineage from multiple data sources. Perform connectivity and prerequisite validation with Application teams, ETL teams, and DBAs, including driver installation, credential management, network/firewall requirements and technical onboarding for new data sources. Investigate and resolve incidents related to Collibra integrations, lineage ingestion, and platform availability; collaborate with infrastructure teams to address root causes and prevent reoccurrence. Ensure configuration consistency across environments (DEV/QA/PROD), maintaining runbooks, documentation, and standard operating procedures. Provide regular, clear updates on operational status, risks, and issues to Development Managers and stakeholders. Additional Tasks Support EMEA-wide Collibra platform stability by monitoring ingestion pipelines, schema drift, job failures, and performance degradation, ensuring reliable metadata and lineage availability Maintain technical documentation, including integration configurations, onboarding guides, troubleshooting logs and operational checklists Assist with access control operations, ensuring proper provisioning, least-privilege consistency, and audit-readiness for regulatory requirements Participate in technical testing for new features, patches, and platform improvements, raising risks or gaps early in collaboration with vendor support and internal IT teams. GCS is acting as an Employment Business in relation to this vacancy.
GCS
06/02/2026
Full time
Data Engineer for a Global consultancy. Various clients. Please only apply if you have the ability to be security cleared (5+ years in the UK) Role - Data Engineer Type - Perm Location - Remote - Occasional office visit in the UK Salary - 60,000 + benefits Role This role sits at the intersection of data engineering and consulting, supporting clients in designing, building, and optimising modern data platforms. You'll work across the full data lifecycle, from ingestion and transformation to modelling and delivery, with a strong focus on Azure and Databricks. The ideal candidate combines hands on technical capability with the confidence to engage directly with clients and guide them through data driven solutions. Key Responsibilities Design, build, and maintain scalable data pipelines using Azure and Databricks. Develop robust ETL/ELT processes to support analytics, reporting, and AI/ML workloads. Implement data models, transformation logic, and quality frameworks across the data lifecycle. Write clean, maintainable Python code for data engineering and automation tasks. Work with Delta Lake and modern lakehouse patterns to optimise data storage and performance. Contribute to CI/CD and DataOps practices to improve deployment reliability and workflow efficiency. Collaborate with clients to understand requirements, propose solutions, and deliver technical outcomes. Support best practice data governance, documentation, and platform standards. Required Skills & Experience Strong experience with Azure cloud services and Databricks. Solid understanding of the end to end data lifecycle, from ingestion to consumption. Proficiency in Python for data engineering and automation. Hands on experience building ETL/ELT pipelines in production environments. 4-5 years working in data engineering, data consulting, or a similar technical role. Nice to Have Skills Exposure to Microsoft Fabric. Experience with Delta Lake and lakehouse architectures. Familiarity with CI/CD, DataOps, or modern deployment pipelines. Soft Skills Confident in client facing interactions, including workshops, requirements gathering, and solution walkthroughs. Consulting background is beneficial but not essential. Strong communication skills and the ability to translate technical concepts for non technical audiences. Proactive, adaptable, and comfortable working across varied client environments. GCS is acting as an Employment Agency in relation to this vacancy.
GCS
06/02/2026
Contractor
Data Lineage Developer for Tier 1 bank in Canary Wharf Role - Data Lineage Developer Duration - 6 months with very likely extension Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office Rate - 415 per day (Inside IR35) Tech Stack C# Oracle PL/SQL Data Lineage Data Mapping Data Flows Documentation Role Primary responsibility will be to reverse-engineer complex source code to document data flows and transformations. You will collaborate closely with application teams, DBAs, and data governance specialists to ensure that lineage artifacts are complete and aligned with organizational standards. Your work will help enhance the understanding of our data assets, enabling better decision-making across the organization. Tasks Analyse C#/.NET application source code to identify SQL interactions and data flows. Review Oracle PL/SQL scripts, stored procedures, and ETL logic to document transformations and dependencies. Extract and organize technical details for lineage mapping, ensuring clarity and accuracy. Collaborate with Collibra engineers to register lineage and metadata assets in the Collibra platform. Validate lineage completeness through cross-team communication with DBAs and application developers. Manage version control for analysed source code and related documentation, ensuring all updates are tracked and aligned with established governance standards. Provide technical insights to resolve ambiguities in code logic and database interactions. Key Skills & Requirements: Strong proficiency in C#/.NET and Oracle PL/SQL, including complex query analysis and performance tuning. Solid understanding of application server and Oracle database structures. Python scripting skills for automation or data analysis (desirable). Familiarity with data lineage concepts and metadata management. Experience with Collibra or similar data governance tools (preferred but not mandatory). Ability to interpret complex source code and explain findings to both technical and non-technical stakeholders. Strong documentation skills for creating clear, structured lineage artifacts. Demonstrated ability to collaborate and communicate effectively with system owners and DBAs, accurately documenting technical requirements. Ability to work collaboratively across multiple teams and time zones. GCS is acting as an Employment Business in relation to this vacancy.
GCS
06/02/2026
Full time
Data Scientist for a Global consultancy. Varied clients. Please only apply if you have the ability to be security cleared (5+ years in the UK) Role - Data Scientist - AI / Agentic AI Type - Perm Location - Remote - Occasional office visit in the UK Salary - 60,000 Role The Data Scientist will join a growing analytics and AI function, contributing to the development of intelligent solutions that support business decision making and automation. This role is ideal for someone with solid Python skills, hands on exposure to AI or Agentic AI projects, and a strong grounding in machine learning fundamentals. You'll work closely with internal teams and external clients, translating technical insights into clear, actionable outcomes. Key Responsibilities Build, train, and evaluate machine learning models to support a range of analytical and AI driven initiatives. Contribute to the development of Agentic AI solutions, including workflow automation, reasoning systems, or LLM based tools. Write clean, efficient Python code for data processing, modelling, and experimentation. Extract, manipulate, and analyse data using SQL across structured data environments. Support feature engineering, model optimisation, and validation activities. Collaborate with cross functional teams to understand requirements and deliver insights. Communicate findings clearly to technical and non technical stakeholders. Participate in client facing discussions, demos, and solution walkthroughs. Required Skills & Experience Strong proficiency in Python for data science and machine learning. Demonstrable experience working on AI or Agentic AI projects (critical requirement). Solid understanding of machine learning fundamentals, including supervised and unsupervised techniques. Good working knowledge of SQL for data extraction and analysis. Approximately 5 years of hands on experience in data science or a closely related field. Nice to Have Skills Experience with Databricks for data engineering or ML workflows. Familiarity with Azure ML, MLflow, or similar MLOps tooling. Exposure to feature engineering best practices and model lifecycle management. Soft Skills Strong communication skills with the ability to explain complex concepts simply. Comfortable in client facing environments, including presentations and requirement gathering sessions. Proactive, curious, and eager to learn emerging AI technologies. GCS is acting as an Employment Agency in relation to this vacancy.
GCS
06/02/2026
Contractor
Global bank based in Canary Wharf. Role - C# Developer - Desktop Applications Duration - 6 months with likely extension Rate - 415 p/d (inside IR35) Location - Hybrid / Canary Wharf Tech Stack C# WPF Winforms SQL Oracle 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.
GCS
28/01/2026
Contractor
Join us to shape the future of our subscription product ! We're looking for a hands-on Senior Product Designer to lead end-to-end UX and UI work-from discovery and research to polished Figma designs. You'll create seamless subscription journeys, drive conversion and retention, and collaborate with Product, Engineering, and stakeholders across the business. Subscription experience is a must. Ideal candidates have experience in e-commerce or subscription products, a strong UX/UI portfolio, and a commercial mindset. ASAP start, hybrid London (Victoria + occasional Nottingham). GCS is acting as an Employment Business in relation to this vacancy.
GCS
27/01/2026
Contractor
C# Oracle PL/SQL Developer for Tier 1 bank in Canary Wharf Role - C#, Oracle, PL/SQL Developer Duration - 6 months with very likely extension Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office Rate - 415 per day (Inside IR35) Tech Stack C# Oracle PL/SQL Data Lineage Documentation Role Primary responsibility will be to reverse-engineer complex source code to document data flows and transformations. You will collaborate closely with application teams, DBAs, and data governance specialists to ensure that lineage artifacts are complete and aligned with organizational standards. Your work will help enhance the understanding of our data assets, enabling better decision-making across the organization. Tasks Analyse C#/.NET application source code to identify SQL interactions and data flows. Review Oracle PL/SQL scripts, stored procedures, and ETL logic to document transformations and dependencies. Extract and organize technical details for lineage mapping, ensuring clarity and accuracy. Collaborate with Collibra engineers to register lineage and metadata assets in the Collibra platform. Validate lineage completeness through cross-team communication with DBAs and application developers. Manage version control for analysed source code and related documentation, ensuring all updates are tracked and aligned with established governance standards. Provide technical insights to resolve ambiguities in code logic and database interactions. Key Skills & Requirements: Strong proficiency in C#/.NET and Oracle PL/SQL, including complex query analysis and performance tuning. Solid understanding of application server and Oracle database structures. Python scripting skills for automation or data analysis (desirable). Familiarity with data lineage concepts and metadata management. Experience with Collibra or similar data governance tools (preferred but not mandatory). Ability to interpret complex source code and explain findings to both technical and non-technical stakeholders. Strong documentation skills for creating clear, structured lineage artifacts. Demonstrated ability to collaborate and communicate effectively with system owners and DBAs, accurately documenting technical requirements. Ability to work collaboratively across multiple teams and time zones. GCS is acting as an Employment Business in relation to this vacancy.