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Contractor London technical architect

38 technical architect jobs found in London

CL
Mar 29, 2026  
Technical Security Architect - DV Cleared
Technical Security Architect Must have an Active DV Clearance About the Technical Security Architect role We're seeking a highly skilled Technical Security Architect to take the lead on embedding security across the design, development, and integration of complex network infrastructures. Working within an Agile Scrum environment, the Technical Security Architect will play a vital part in shaping secure platforms by applying Secure by Design and NIST principles throughout the delivery lifecycle. What you'll do as a Technical Security Architect Lead the design and delivery of secure infrastructure solutions across large-scale programmes. Integrate security controls and considerations into network architecture, ensuring alignment with Secure by Design methodologies. Act as the security subject matter expert within Agile Scrum teams, collaborating closely with architects, integrators, and testers. Contribute to the development of security-enforcing capabilities across platforms...
IR35 Status:
Unknown Status

CV-Library Basingstoke, Hampshire Contractor
CL
Mar 29, 2026  
Architect - Aviation
Are you an experienced Architect, available for a 6 month contract and looking to contribute to major aviation infrastructure projects at some of the UK’s busiest airports? Do you have proven experience delivering aviation projects through RIBA Stage 4 with strong technical detailing and specification expertise? Are you confident using Autodesk Revit and comfortable collaborating with multidisciplinary teams on complex airport environments? The Opportunity An established engineering and design consultancy is seeking an experienced Architect with aviation project experience to support a portfolio of airport infrastructure schemes. This contract role offers the chance to work on a variety of high-profile projects while collaborating with multidisciplinary design teams and key aviation stakeholders. We would also welcome applications from these industries Rail infrastructure, major transport infrastructure, defence and security estates, complex public sector buildings, and...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 28, 2026  
ServiceNow Solution Architect
Hays are now looking for a ServiceNow Solution Architect for one of our local clients: Up to £703 p/d Inside IR35 Remote Working Must currently hold SC Clearance Role Purpose The ServiceNow Solutions Architect is responsible for designing end‑to‑end ServiceNow solutions across ITSM, ITOM and wider enterprise workflows. They ensure architectural integrity, platform scalability, and alignment with best practice while guiding technical teams through solution delivery. Key Responsibilities Lead the design of ServiceNow solutions, ensuring alignment with architectural standards and business requirements. Define technical architecture, data models, integrations, and workflow designs across the platform. Provide governance and oversight across development, configuration, and implementation activities. Advise stakeholders on platform capabilities, solution options, and best‑practice approaches. Produce architectural documentation, including high‑level designs, roadmaps, and integration...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jan 18, 2026  
Mechanical Systems Engineer / Architect
World Class Defence Organisation based in Stevenage is currently looking to recruit 3x Mechanical Systems Engineers / Architects on an initial 12 month contract.  The role will be hybrid of being split between working from home and onsite.    This role would suit a candidate who comes from a strong background of working as a Mechanical Design Engineer, Mechanical Systems Engineer, Mechanical Architect or has experience of Mechanical Systems Architecture.  A defence / aerospace background is ideal but not essential. DOORS experience would be great.    A background or knowledge of Systems Engineering and Supplier Management would be beneficial. Contract Duration: 12 Months initially and then ongoing and long-term thereafter. Hourly Rate: £65.00ph   Mechanical Systems Engineer / Architect Job Description:   We have an opportunity for an experienced Mechanical Architect to join the team. This exciting role is to gather and manage the missile mechanical architecture requirements to...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Mar 28, 2026  
Security Architect
Role Title: Security Architect Duration: contract to run until 30/09/2026 Location: London or Southampton hybrid working 3 days per week onsite Rate: up to £496.80 p/d Umbrella inside IR35 Role purpose / summary Architecture & Design: Develop secure architectures and reference patterns across cloud, infrastructure, applications, and data platforms. Ensure alignment with business goals, risk appetite, and regulatory requirements. Solution Delivery: Provide architectural guidance during project lifecycle (HLD/LLD), review designs, and ensure solutions meet security requirements. Risk & Threat Management: Conduct threat modelling, assess vulnerabilities, and ensure appropriate mitigating controls are designed and implemented. Governance & Standards: Define and maintain security policies, standards, and guardrails. Ensure adherence to architectural principles and regulatory obligations (e.g., GDPR, FCA). Collaboration: Partner with engineering, cloud, network, IAM, and...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Mar 28, 2026  
Security Architect
Role Title: Security Architect Duration: contract to run until 30/09/2026 Location: London or Southampton hybrid working 3 days per week onsite Rate: up to £503.24 p/d Umbrella inside IR35 Role purpose / summary Architecture & Design: Develop secure architectures and reference patterns across cloud, infrastructure, applications, and data platforms. Ensure alignment with business goals, risk appetite, and regulatory requirements. Solution Delivery: Provide architectural guidance during project lifecycle (HLD/LLD), review designs, and ensure solutions meet security requirements. Risk & Threat Management: Conduct threat modelling, assess vulnerabilities, and ensure appropriate mitigating controls are designed and implemented. Governance & Standards: Define and maintain security policies, standards, and guardrails. Ensure adherence to architectural principles and regulatory obligations (e.g., GDPR, FCA). Collaboration: Partner with engineering, cloud, network, IAM, and...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Mar 28, 2026  
Architect
Architect Location: London Contract Type: Temporary Duration: 12 months Hours: 37.5 per week Company Overview A leading global engineering, infrastructure and project management organisation delivering complex, nationally significant programmes across transportation, energy, defence and the built environment. The business provides integrated services across consultancy, engineering, design coordination and project delivery, working within highly collaborative multidisciplinary teams to deliver large scale infrastructure that supports long term economic and social growth. Role Overview An opportunity has arisen for an Architect/Architectural Technologist to join a London team supporting a major infrastructure programme. This contract role will contribute to the architectural design and technical delivery of a transformative project aimed at significantly improving connectivity across London. The successful contractor will work within a multidisciplinary environment,...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 28, 2026  
Data Integration Architect - Active SC, HL7, Healthcare
Data Integration Architect - Active SC, HL7, Healthcare Up to £700 per day - Outside IR35 South / Hybrid 6 months My client is an instantly recognisable consultancy who require a Data Integration Architect with Active SC clearance to join a business-critical programme. Key Responsibilities: Design and lead end‑to‑end data integration architectures across primary, community, and secondary care systems, using API-led, event-driven, and batch patterns. Develop sync management logic (InterSystems/EHR) including validation rules, conflict handling, object equivalence, and required data model extensions. Define non-functional integration design covering audit, logging, monitoring, rate limiting, encryption, authentication, throughput analysis, and reliable delivery. Model, map, and integrate primary care data using healthcare standards (FHIR, HL7, SNOMED CT, dm+d) across GP systems and population health or analytics platforms. Provide delivery leadership-guiding engineering teams,...
IR35 Status:
Outside IR35

CV-Library London, UK 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 28, 2026  
Software Engineer – Back End – Java, Spring, GCP
Software Engineer – Back End – Java, Spring, GCP Contract: 9 Months (Renewable) Location: Essex (near Basildon and Brentwood) Office based 4 days a week Rate: £500 per day – Inside IR35 One of the world’s leading engineering companies and a household name is seeking a Software Engineer, Backend Engineer to play pivotal role in driving the technical success in our backend teams. Main Tasks & Responsibilities Software Engineer – Back End – Java, Spring, GCP > Architect scalable, resilient, and secure backend solutions and oversee the technical completion of critical development tasks, often in ambiguous situations. > Ensure backend code and architectural reviews are aligned with organisational goals, facilitating productive technical discussions, and making decisions to resolve complex backend engineering issues effectively. > Support the technical direction for backend development, offering guidance to team members and exemplifying technical excellence in...
IR35 Status:
Inside IR35

CV-Library SS15, Laindon, Essex Contractor
CL
Feb 11, 2026  
Electrical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit an Electrical Systems Engineer / Architect subcontractor on an initial 12 month contract. Your base site can either be from the companies Bristol, Stevenage or Bolton office.  This role will be a hybrid position – 3 days per week onsite and 2 days remote.      Hourly Rate: £60 - £85 (Umbrella).      Contract Duration: 6 Months initially and then ongoing and long-term thereafter.   Missile Electronic Architect Job Description:   Electrical Architects/Engineers are involved in all aspects of missile development, from the early concept studies to series production and in-service support. It’s an excellent opportunity for someone wanting to build on their engineering experience. Responsibilities: You will be responsible for the electrical architecture and requirements for missiles and/or their associated launcher systems with duties including: Specifying/determining system electrical requirements interface definitions...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Jan 21, 2026  
High Speed Digital Design Engineer
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a High Speed Digital Design Engineer subcontractor.   Rate: £58.00 - £80 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role can be a mix of onsite and remote working Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Job Description: As part of a large team of analogue and digital electronics design engineers, you will be responsible for the electronics design and development of high speed MPSoC FPGA and AI hardware solutions targeting SDR, radar signal processing and sensor fusion applications. As Digital Design Engineer you will support the Technical Lead/Architect in collaboration with the systems, software, firmware, mechanical and...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 25, 2026  
Java Software Engineer into Architect
Hiring: Java Software Engineer 📍 UK-Based | 🏠 Remote | 📅 12‑month contract | 450 per day I'm currently supporting the search for a highly capable Java Software Engineer looking to transition into Architecture to join a major transformation programme, leading the migration from on‑prem services into Azure. This isn't a junior role in experience - we're looking for someone with high-level architectural capability, strong communication skills, and the confidence to guide and oversee the work of experienced engineers. What You'll Be Doing 🔹 Supporting the Senior Architect across a large-scale cloud migration 🔹 Shaping data pipelines, data flows, and system-wide design 🔹 Providing architectural oversight to senior developers 🔹 Working across Java, Python and large data environments (design > coding) 🔹 Bringing a strong, assertive technical voice to ensure delivery stays on track What we're looking for: ✔ Strong Java engineering experience ✔ Exposure to cloud migration...
IR35 Status:
Unknown Status

CV-Library Bracknell, Berkshire Contractor
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