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Contractor 19
London technical architect

19 technical architect jobs found in London

CL
Mar 20, 2026  
Technical Architect
Job Title: Technical Architect Max rate: £550p/d via Umbrella Clearance required: BPSS + SC Location: Remote Worker Job Description: Technically Lead the architectural modernisation of a large-scale, established data platform (DWX) within public sector client. This role requires experience of brownfield environments, strong hands-on technical capability, and the ability to reshape existing architectures to align with business and Data & Analytic (D&A) standards while maintaining uninterrupted service delivery. You will be responsible for re-architecting data flows, modernising infrastructure, managing large-scale schema evolution, enabling cross-cloud connectivity, and providing senior guidance to technical teams and stakeholders. Skills & Experience Required Essential Proven experience as a senior technical architect in complex brownfield environments. Strong data platform architecture experience: ingestion patterns, schema evolution, ETL/ELT, microservices...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 20, 2026  
Technical Architect (Investment Systems)
Technical Architect (Investment Systems) Location: London / Sheffield (Hybrid 2 days in office) Domain: Investment Technology (PMS, IBOR, ABOR) Contract: 6-12 months contract The Opportunity We are seeking a seasoned Technical Architect to lead the architecture of complex investment systems at a mission-driven financial institution. This key role involves owning the front-to-back architectural integrity of the investment platform, ensuring seamless integration across Portfolio Management (PMS), Investment Book of Record (IBOR), and Accounting Book of Record (ABOR). Responsibilities include defining the technical roadmap, influencing strategy, and ensuring scalable, resilient systems for long-term growth. Systems Evolution Design and oversee integrated PMS, IBOR, and ABOR architecture. Lead system transitions, integrations, and modernization.Investment Lifecycle Architecture Architect solutions for complex events: capital calls, distributions, multi-tier funds, and...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
CL
Mar 21, 2026  
Salesforce Technical Lead (SC Cleared)
Salesforce Technical Lead (SC Cleared) 6 Months Mostly Remote - 2 days a month in London £(Apply online only) per day (Inside IR35) My client, a government body are looking for a number of Salesforce Technical Leads to join their fast-paced team on an initial 6 month contract. ***Please note - Due to the nature of the organisation and the work involved, the selected candidate MUST have ACTIVE SC Clearance and be a Sole British National*** As a Technical Lead, you will operate as a senior technical authority within the Salesforce practice, partnering with Solution Architects, Functional Leads, and client stakeholders to deliver scalable, secure, and high-performing solutions aligned to business outcomes. This role will lead technical workstreams across complex programmes, providing architectural oversight, engineering leadership, and technical assurance while mentoring delivery teams. Responsibilities on the role- Serve as a trusted advisor to key stakeholders within our...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Mar 27, 2026  
Mobile Architect
Mobile Architect / 3-6 months / Fully remote / £450 - £480pd (Inside IR35)    I am currently looking for a Mobile Architect to join a consultancy client of ours supporting a global FS company on a 3 month initial contract. This can be completed on a remote basis and has been determined inside IR35.    Key skills & experience needed:  Provide architecture advice and guidance to the mobile product team Work on high level design, governance and support across the team Report progress to portfolio architect Ideally come from an engineering back ground an able to converse effectively with the mobile engineering team Technical experience across mobile technologies such as IOS, Android, React Native, Flutter  For this position we are looking for someone to start asap, so ideally you will be available within a maximum of 2 weeks notice.    If interested, please apply with your latest CV and I will be in touch to discuss in more detail.    Best, Connor
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Mar 26, 2026  
Senior Architect
Job Title: Architect / Senior Architect (Revit) Location: London - 4 Days Office / 1 Day Flexible Job Type: Contract Duration: 3 Months IR35 Status: Inside IR35 Hours: 37.5 per week Start Date: ASAP Overview An opportunity is available for Architects at both the Part II / Architectural Assistant level and the Senior Architect level to support the delivery of international residential and hospitality projects. This contract role focuses on Stage 4 technical design, working within a collaborative architectural team delivering large-scale and high-profile international developments. The successful candidates will be experienced in Revit and comfortable working within fast-paced project environments. The position requires four days per week in the London office, with hardware and software licences provided. Key Responsibilities Produce technical design information at RIBA Stage 4 Develop and manage architectural models using Revit Produce coordinated drawings and technical...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Mar 26, 2026  
Azure Cloud engineer
Azure Cloud Engineer | 3 Month Contract | Fully remote | OutsideIR35   Re‑architect an Azure environment into a secure, production‑grade, enterprise‑ready platform.   Core Responsibilities:  Redesign Azure architecture for scale, reliability, and security. Implement HA, failover, DR, and BCP. Harden security: Key Vault, Managed Identities, RBAC, Private Endpoints, NSGs, WAF, DDoS. Set up audit logging, monitoring, alerting, and incident response (Azure Monitor, App Insights, Log Analytics). Produce architecture docs + operational runbooks. Refactor/extend IaC (Terraform). Ensure reproducible environments and automated deployments across dev → staging → prod.  Required Experience  5+ years cloud engineering, incl. 2+ years at enterprise scale. Proven track record taking MVP → production. Strong Azure expertise (App Services, AKS, Functions, API Management, Azure SQL). Strong Terraform + automation (Python/Bash/PowerShell). Experience with enterprise security, SLAs, SOC2/ISO27001...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 26, 2026  
ServiceNow Architect
ServiceNow Platform Architect (ITSM, CMDB, Discovery, ITOM, Integration Hub, Flow Designer) – 6 Month Contract £600–£650/day (Inside IR35) Glasgow (Hybrid) Must hold or be eligible for SC Security Clearance Overview We’re seeking an experienced ServiceNow Architect to provide strategic and technical leadership for a major transformation programme. This role will act as the Technical Design Authority for the ServiceNow platform, ensuring scalable, secure, and best#8209;practice-aligned architecture across the estate. You will play a key role in defining and governing architectural standards while supporting significant uplift activities including a CMDB rebuild, complex integrations, and platform optimisation. Key Responsibilities Serve as the technical authority for the ServiceNow platform, defining and governing architectural standards and design decisions. Lead the architectural strategy to ensure long-term platform sustainability, security, and scalability. Oversee...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Mar 25, 2026  
CGEMJP00332571 Domain Architect
Role Title: Domain Architect Location: Remote Duration: 6 months contract Rate: £600 per day inside ir35 eSC (enhanced SC) security clearance is required for this role. Role Description: I am looking for a Domain Architect for a client of mine who are a leading IT consultancy operating within government and defence, you will thrive on having Design Authority for the relevant Service Line aligned to your domain expertise and enjoy being the domain focal point for ensuring its technical integrity. Being part of an enthusiastic Business Technologist community will enable you to maintain awareness of the latest technologies and innovations within their portfolio and apply these to your technology domains. Your role: Design Authority for the Service Line related to your domain expertise. Key stakeholder management for internal, as well as external parties. Expert strategy advisory within client facing Managed Services accounts along with new deals and transitions. Trusted...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Feb 05, 2026  
Integration Architect
Integration Solution Architect Certain Advantage are hiring for an Integration Solution Architect based in London on a hybrid basis. This role is on an initial 12-month contract and will be required to be onsite 3 days a week and 2 days remote. The role: Translating architectural guidelines and standards into practical solutions, addressing common technical challenges and providing actionable technical recommendations that positively impact business performance. Driving the identification, development, and adoption of new technologies and opportunities to optimise IT systems and platforms. Contributing to the training, coaching, and guidance of other professionals within the architecture and engineering community. Acting as a subject matter expert, representing the organisation with suppliers, customers, and external partners as required. Making solution decisions within established architectural guidelines, escalating deviations (“step-outs”) where necessary. Applying TOE...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 26, 2026  
Project Architect (London)
Are you an experienced Project Architect with experience in the nuclear or defence sectors (Or similar)? Ready to shape the future of the UK's most secure and technically demanding infrastructure projects with a large international consultancy? Job Title: Project Architect Location: London Contract Length: Initial 12-month contract Rate: DoE (This role falls inside IR35) The Opportunity We're recruiting for highly skilled Project Architect to join one of the world's leading design and engineering consultancies. With a strong pipeline of secured work across the UK nuclear and defence landscape working on front-end design. You'll be part of an expert, multidisciplinary team working on high-value defence facilities, secure government estates, and nuclear-grade installations. Whether you specialise in front-end concept design or technical delivery through RIBA Stage 3/4+, your expertise will directly support national capability and resilience. The Role We're looking for...
IR35 Status:
Inside IR35

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Mar 26, 2026  
Cyber Security Architect (Salesforce)
Cyber Security Architect (Salesforce) DGH Recruitment are currently recruiting on behalf of a leading client in the Utilities industry who require a Cyber Security Architect to join the firm in London on an initial 6 month contract basis. You will be responsible for ensuring the firms systems are secure, resilient, and aligned with national standards and best practice. Please note this role falls Inside IR35, will require active SC clearance and will require 1 day in the London office per week. Key Responsibilities: * Define and lead the organisation's security architecture vision, principles, and long-term strategy. * Design and review secure system architectures across complex projects. * Identify security weaknesses and recommend proportionate mitigations. * Advise on the security implications of emerging technologies (e.g., cloud, microservices, identity solutions). * Maintain the security, privacy, and resilience risk register. * Lead security architecture assurance...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Mar 20, 2026  
Senior Solutions Architect
Senior Solutions Architect - Transport Technology Programme Location: Hybrid - London Contract: 2-3 years, rolling 6-month extensions, potential for permanent conversion Daily Rate: Up to £749 (umbrella) A leading transport operator is seeking two Consultant Architects to join its Tech & Data programme, delivering complex multi-vendor transport systems. Front Office Architect: Focus on passenger-facing systems - gates, ticket vending machines, validators, and smart card systems. Experience with transport ticketing suppliers such as Cubic, Scheidt & Bachmann, or INIT is highly desirable. Back Office Architect: Focus on transaction processing and payment systems, including backend design (Java/.NET/Oracle) and integration with payment acquirers (Visa, Mastercard, Amex). Responsibilities: Develop and maintain end-to-end solution architectures and capability roadmaps. Break down complex projects into work packages for multiple vendors. Ensure solutions align with...
IR35 Status:
Outside IR35

CV-Library Greenwich, London Contractor
CL
Mar 25, 2026  
Information Security Technical Assurance Lead
Job Title: Cyber Security Assurance Specialist (Application Security) Client: Urenco Rate: £700 per day Location: Hybrid – Minimum 2 days per week in Paddington, London Clearance: Active SC Clearance required About the Client Urenco is a world leader in the enrichment of uranium for use in the civil nuclear industry. Operating across the United Kingdom, United States, Netherlands, and Germany, Urenco plays a critical role in enabling the safe, sustainable use of nuclear technology worldwide. The Group CISO function is responsible for continuously developing and enhancing Urenco’s cyber security portfolio to protect the organisation, its customers, and the public. The CISO team is structured across three core areas: Governance, Risk & Compliance (GRC) Operational Technology (OT) Cyber & Cyber Assurance Threat Defence This opportunity sits within the Cyber Assurance Team, reporting directly to the Head of Cyber Security Assurance. Role Overview We are seeking an...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 25, 2026  
Data Engineer
Data Engineer | Outside IR35 | £450 - £500 | 6 months | Hybrid London We’re supporting a company who are looking for a Data Engineer to build and enhance the data processing capabilities within their Databricks environment. You’ll be responsible for developing the code that drives their data pipelines, using Python, Spark, and Databricks Workflows to deliver new platform functionality and ensure efficient execution. Key Responsibilities Develop reliable Python and PySpark code to support data ingestion, transformation, and end‑to‑end processing. Deliver new technical features and components aligned to approved solution designs and business requirements. Enhance, extend, and tune existing data frameworks to support additional use cases and improved performance. Create, manage, and optimise Databricks Workflows, including orchestration logic and operational behaviours. Carry out testing, performance tuning, and provide day‑to‑day operational support for data pipelines. Work...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Mar 10, 2026  
Project Construction Manager
Overview We are seeking an experienced Construction Project Manager specialised in new high-end build developments to oversee and coordinate large-scale construction project from inception to completion. The ideal candidate will possess strong organisational skills, technical expertise, and the ability to manage multiple stakeholders effectively. This role offers an exciting opportunity to lead innovative project within a dynamic construction environment, ensuring all phases are delivered on time, within budget, and to the highest standards of quality. Duties Lead and manage all aspects of new build construction projects, including execution and close-out phases. Develop detailed project schedules, ensuring realistic timelines and resource allocations. Coordinate with architects, engineers, subcontractors, and clients to ensure project specifications are met. Monitor progress against project milestones, adjusting plans as necessary to address delays or unforeseen issues. Oversee...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jan 21, 2026  
Senior HVAC Design Engineer
We are working with this leading multi national data centre and mission critical specialist who are working on schemes across UK and europe. With data centres being crucial components of today's infrastructure, supporting everything from business to public services. Operators must ensure the longevity, efficiency, and sustainability of their sites while optimizing them for mission-critical tasks. The teams are at the forefront of designing innovative and energy-efficient data centres, ensuring that our clients meet their goals of performance, cost-efficiency, and sustainability. The Opportunity Join our international and multidisciplinary team of passionate design engineers and help us create high-quality, sustainable, and innovative data centre structures. You will work on medium to large-scale mission-critical projects, covering all stages of design - from concept to construction supervision and handover. As part of an interdisciplinary team of architects, advisors &...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Dec 28, 2025  
Senior HVAC Design Engineer
We are working with this leading multi national data centre and mission critical specialist who are working on schemes across UK and europe. With data centres being crucial components of today's infrastructure, supporting everything from business to public services. Operators must ensure the longevity, efficiency, and sustainability of their sites while optimizing them for mission-critical tasks. The teams are at the forefront of designing innovative and energy-efficient data centres, ensuring that our clients meet their goals of performance, cost-efficiency, and sustainability. The Opportunity Join our international and multidisciplinary team of passionate design engineers and help us create high-quality, sustainable, and innovative data centre structures. You will work on medium to large-scale mission-critical projects, covering all stages of design - from concept to construction supervision and handover. As part of an interdisciplinary team of architects, advisors &...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Dec 26, 2025  
QA Lead
QA Lead – End-to-End & Automation Certain Advantage are hiring for a QA Lead – (End-to-End Automation) based in London. This role is on an initial 12-month contract and will be required to be onsite 3 days a week and 2 days remote. We are seeking a highly experienced QA Lead to take ownership of end-to-end testing across a dynamic portfolio of programs. This is a leadership role requiring strong technical expertise, strategic thinking, and the ability to guide a high-performing team toward delivering top-quality testing outcomes. Key Responsibilities Own end-to-end testing deliverables across the portfolio, ensuring high-quality outcomes and effective demand management. Build and maintain a strong QA team by identifying and onboarding capable talent. Ensure business continuity and consistently deliver top-tier testing coverage for all programs. Lead a team of 10–12 QA professionals, managing goals, performance appraisals, and development plans aligned to their career...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 21, 2026  
Senior Civil Engineer
Location: London (2-3 days in office) Contract Type: Long-term contract (Outside IR35) Hours: 40 per week Equipment: To be supplied by company   About the Role: We are currently seeking a talented Civil Engineer or Senior Civil Engineer to join a well-established consultancy based in London. The role involves working on a variety of development infrastructure projects, including drainage strategies and flood risk assessments. The successful candidate will have strong experience using Civil 3D and Infodrainage software, and will play a key role in delivering complex infrastructure solutions for both public and private sector clients.   Key Responsibilities:   ·Design and manage infrastructure projects for residential, commercial, and mixed-use developments. ·Prepare drainage strategies, flood risk assessments, and other associated reports. ·Utilise Civil 3D and Infodrainage to model and design drainage systems. ·Collaborate with multi-disciplinary teams, including...
IR35 Status:
Outside IR35

CV-Library Central London, London WC2N 5DU, UK Contractor
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