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Contractor 55
senior architect

55 senior architect jobs found

CL
Apr 03, 2026  
Senior Architect - Contract
Senior Architect – Contract (Revit / Large‑Scale Residential) Location: London (Hybrid – 2 days WFH) Contract Length: Approx. 6 months Start: Immediate A leading UK multidisciplinary design practice is seeking an experienced Senior Architect to join their London studio on a contract basis. This is an excellent opportunity to work within a high‑performing team on significant large‑scale residential projects. Key Requirements: Strong Revit proficiency Proven experience delivering large residential schemes Ability to work collaboratively in a fast‑paced environment Availability to start at short notice What’s on Offer: 6‑month contract with potential extension Hybrid working (2 days per week from home) Opportunity to contribute to major UK residential developments Click apply to send your CV or alternatively contact Joey Waller at Conrad Consulting on (phone number removed) for more details
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 02, 2026  
Senior Architect (Contract) - Aviation Sector
Senior Architect – Aviation Sector Location: London/Heathrow Our prestigious architecture client is seeking a talented and experienced Senior Architect to join their dynamic team, focusing on exciting projects within the aviation sector. This is an initial 6-month contract role, with the likelihood of this being extended further or even being made permanent. If you excel in design, technical detailing and specification writing—especially with experience related to Heathrow or Gatwick standards—this is the opportunity for you! About the Role: As a Senior Architect, you will play a crucial role in delivering high-quality, regulated projects within an innovative, multi-disciplinary environment. Your experience in the aviation sector will be invaluable as you collaborate with teams to produce detailed architectural designs and solutions that meet rigorous standards. Why Apply? Work on complex, large-scale projects in the aviation sector Join a collaborative team that values...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 08, 2026  
Senior ITSM Architect - DV Cleared
Senior ITSM Engineer Must have an Active DV Clearance 4 Day weeks are available Senior ITSM Engineer Opportunity An opportunity exists for an experienced Senior ITSM Engineer to join a specialist ITSM Tooling team delivering enterprise service management solutions within secure Defence environments. The Senior ITSM Engineer will support the development, implementation and optimisation of ITSM tooling across multiple programmes and customer environments. The Senior ITSM Engineer will work as part of an Agile delivery team producing build documentation, configuration standards and implementation plans for complex ITSM platforms. This role suits a technically strong Senior ITSM Engineer who enjoys working with both traditional and modern service management tooling while delivering secure and resilient solutions. Senior ITSM Engineer Responsibilities Design, configure and deploy ITSM tooling solutions across secure environments. Produce build documentation, implementation plans...
IR35 Status:
Unknown Status

CV-Library Basingstoke, Hampshire Contractor
CL
Apr 05, 2026  
Senior Technical Architect (Security)
Senior Technical Architect (Security) £550pd - £650pd DOE (Inside IR35/Umbrella) 6 Month Initial Contract Milton Keynes Hybrid - 3 days in office DV / SC Clearance ideally Are you a Technical Architect with experience of working in a secure enterprise environment? Are you DV or SC cleared? My central government client are looking for a Senior Technical Architect to support with the delivery and management of key security capabilities. You will support technical teams in delivery capabilities, providing 4th level oversight on technical issues. You will be responsible for the maintenance and development of high and low designs for product and carry out Impact assessment of functional, capability and security changes. The successful candidate will have experience of working in a secure environment. You will need experience of server/operating system (Microsoft and Linux), network technologies, as a minimum: - Hybrid Cloud - Gateways - PKI - Email - VMware virtualisation...
IR35 Status:
Inside IR35

CV-Library Milton Keynes, Buckinghamshire Contractor
CL
Apr 05, 2026  
Principal Portfolio Architect
Principal Portfolio Architect 6 months - possible extensions until Jan 2027 London Inside IR35 - Umbrella only What I'll be doing - your accountabilities End-to-end Architecture Strategy/Roadmap and Design of the Wholesale Customer Segment Sets and drives the target architecture strategy/roadmap and overarching blueprint aligned to the Business vision. Drives adoption of the strategic architecture, balancing the outcomes needed of the tribes (including transition states from current to planned) You will align expected outcomes balancing customer value and technical debt (including relevant technology KPI targets), providing proactive Architecture assurance and architecture governance. Guides on the technical shaping and feasibility driving definition of Lean Business Cases, epics and features, identifying major dependencies, estimating cost and complexity. Inputs relevant tribe roadmaps content into overall Business architecture roadmap and strategy Responsible for...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 05, 2026  
Application & Data Architect - DV Cleared
Application & Data Architect - DV Cleared Rate: £625 a day Location: Reading - full time on site Duration: 6 months + Clearance: UKSV DV Clearance required A leading global technology consultancy is looking for an experienced Application & Data Architect to join a high-profile Defence programme within a Joint Design Team. This is a hands-on senior architecture role at the heart of a complex, secure delivery environment - shaping how applications are designed, assessed, and evolved across a significant enterprise estate. The Role You'll lead the design and technical assurance of secure-by-design application and data architectures, owning architectural decisions across software systems of varying scale and risk. Day-to-day you'll conduct application technical assessments, engage directly with delivery teams and senior stakeholders, and help drive long-term architectural direction while addressing immediate backlog priorities. What You'll Need Strong enterprise...
IR35 Status:
Unknown Status

CV-Library Reading, Berkshire Contractor
CL
Apr 02, 2026  
Senior Architectural Technician (Contract)
Senior Architectural Technician (Contract) required to join a nationally-renowned, multi-disciplinary consultancy in an important role as part of their core Technical team. This is an initial 6-month contract role, with the likelihood of this being extended further or even being made permanent. The Senior Architectural Technician will be accountable for the following: Providing Architectural Design Services and producing exceptional Architectural solutions. General project management/costing. Overseeing Design & Technical reviews. Collaborate with a multi-disciplinary team to delivery buildable and safe solutions. We are looking for someone to meet the following criteria: Minimum of 5 years experience in an Architectural or Technical role. REVIT proficiency - Essential. Have exceptional, high-level Technical skills - RIBA Stage 4 detailing. Large, complex project experience e.g. custodial, life sciences, power or defence sectors SC clearance, or the ability...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 10, 2026  
Senior Lead Engineer (TMDC)
Solution Architect/ Lead Engineer – GCP Data Platforms & DevEx Lead Location: London - Hybrid  Day rate: up to £700 per day inside IR35 We’re seeking a hands-on Senior Lead Engineer to design and deliver high-volume financial data pipelines on Google Cloud Platform (GCP). This is a pivotal role bridging complex data architecture and high-velocity engineering, ensuring our platforms remain secure, observable, and robust. What You’ll Do Lead technical architecture and hands-on engineering across batch data pipelines (BigQuery, Dataproc, Cloud Storage) Own Developer Experience (DevEx): automate environments, refine CI/CD pipelines, and reduce friction for engineering teams Build and optimize CI/CD pipelines using GitHub Actions Implement Infrastructure-as-Code (Terraform) for secure, scalable cloud environments Integrate database change management tools like Liquibase into automated pipelines Apply DevSecOps best practices across the lifecycle: static analysis, dependency...
IR35 Status:
Inside IR35

CV-Library Peninsula Square, London SE10 0DX, UK Contractor
CL
Apr 09, 2026  
Senior Site Reliability Engineer (SRE)
Senior Site Reliability Engineer (SRE) Remote 12-month contract (high chance of extension) Job Description Join a global pioneer in the video game industry and own the reliability of high-traffic, revenue-critical platforms used by millions worldwide. As a Senior SRE, you'll shape the architecture, improve platform-wide resiliency, and ensure services stay performant, scalable, and secure. This isn't just about maintaining a single system, you'll influence reliability across multiple services, driving improvements that touch the entire ecosystem. Key Responsibilities Lead incident response and troubleshooting for production systems, resolving high-severity issues and driving post-incident improvements. Influence architecture to improve platform-wide reliability, resiliency, and operational efficiency, ensuring services remain available under heavy load. Drive containerisation best practices and manage Kubernetes-based workloads at scale. Build and maintain event-driven...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 09, 2026  
Security Architect
Security Architect (6 month Contract) - £700 to £800pd (Inside IR35) - London (Hybrid once per week) I am currently looking for a Security Architect to provide senior technical leadership in the design and implementation of secure systems, ensuring security is Embedded into enterprise, cloud, and application architectures.  Key Skills needed Significant experience designing secure enterprise or cloud architectures. Strong knowledge of cloud security (eg, AWS, Azure, or GCP). Experience with security architecture frameworks and threat modelling methodologies. Understanding of identity and access management, network security, and data protection. Ability to advise stakeholders and guide technical teams on security best practices. Desirables - Certifications in: CISSP, SABSA, TOGAF, Cloud security (eg, AWS Security, Azure Security)If interested and feel yourself well suited, please reply with your latest CV and I will be in touch to discuss in more detail
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 09, 2026  
Graduate Full Stack Developer
We have an exciting opportunity for a Graduate Full Stack Developer to join a growing software house on a three-month internship, with the potential of this role going permanent. Our client is UK based AI transformation company pioneering a new category. This is combining AI Systems, modular software and strategic execution into deployable solutions for enterprise clients. The Project: Working on a greenfield build on Ms Azure, the successful candidate will focus on building a secure, scalable platform from the ground up. The system will support complex workflows, secure data management and multi – organisation collaboration within a regulated environment. The team is intentionally small (architect + senior engineers), so we’re looking for developers who are comfortable taking ownership across the stack rather than working in highly siloed roles. Responsibilities: * Strong full stack engineering capability (backend-heavy preferred) * Build React frontends and Python...
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Apr 08, 2026  
Technical Architect
Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Join Our Team as a Technical Architect! Are you ready to play a pivotal role in transforming the energy sector? Our client, a leading organization in the Utilities industry, is on a mission to create a secure, resilient, and net-zero energy system. They are seeking a passionate and skilled Technical Architect to join their Strategy & Architecture team for a 6-month fixed-term contract. This is an exciting opportunity to make a real impact in the world of energy management! Role: Technical Architect Duration: 6 Months Location: Wokingham (Hybrid 2 Day in Office) Rate: £700 pd...
IR35 Status:
Unknown Status

CV-Library Wokingham, Berkshire Contractor
CL
Apr 08, 2026  
Lead Technical Architect (Solution Owner) - DV Cleared
Lead Technical Architect Must have an active DV Clearance An opportunity is available for an experienced Lead Technical Architect to lead technical delivery across a large, complex and mission critical environment. This role requires a strong technology leader with proven experience delivering IaaS, PaaS and Workplace services within secure environments. You will act as the technical lead across delivery teams, shaping strategy, roadmap and architectural direction while ensuring governance and compliance standards are maintained. The Role - Lead Technical Architect You will lead a multi-skilled agile team across security, service and management disciplines. Team collaboration and delivery control are central to this position. Key Responsibilities Own and drive the technical delivery of Managed Service sub-components from design through to live deployment. Collaborate with wider technical leadership to drive cohesive delivery across multiple technology areas. Contribute...
IR35 Status:
Unknown Status

CV-Library Basingstoke, Hampshire Contractor
CL
Apr 08, 2026  
Senior Sourcing Specialist
Role: Senior Sourcing Specialist Location: Cheltenham Duration: 12 months Rate: DOE Inside IR35 : Umbrella About our client: Our client is a leading aerospace engineering company specializing in jet engines, avionics, and integrated systems for both military and commercial aircraft. They operate major UK facilities, including maintenance, repair, and overhaul (MRO) sites. Role Summary This 12‑month assignment combines commodity management, supplier execution, and NPI sourcing strategy into a single role. The Senior Lead Sourcing Specialist - Commodity: Manage and optimise a defined supplier panel and commodity portfolio Lead key negotiations, LTAs, EBQ structures, and commercial frameworks for both existing and new programs Drive supplier recovery and performance improvement to protect safety, quality, delivery, and cost Act as a key interface between Programs, Engineering, Operations, and suppliers to align sourcing strategy with business needsThe role requires an...
IR35 Status:
Inside IR35

CV-Library Cheltenham, Gloucestershire Contractor
CL
Apr 04, 2026  
Enterprise Architect (Telecoms)
Your new company Working for a globally renowned telecoms organisation. Your new role A leading global telecoms organisation is seeking an experienced Enterprise Architect to drive end‑to‑end architecture for their Wholesale division. You will define the future-state architecture, shape transition roadmaps, and ensure alignment to Group Architecture standards - directly influencing strategic technology decisions across a major portfolio area. This role requires a blend of enterprise and solution architecture skills, strong stakeholder influence, and the ability to work across senior leadership, architecture communities, delivery tribes, and engineering teams. What you'll need to succeed Strong experience as an Enterprise or Senior Solution Architect. Experience directing and guiding architects and engineering teams. Strong communication skills and the ability to bring multiple squads, tribes, and architecture teams together around a unified vision. Proven background in...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 04, 2026  
Strategic Bid Architect
Strategic Bid Architect (Home Based), inside IR35, initial 6-month contract (rate depending on exp) We're looking for a Strategic Bids Architect to support high‑value, complex digital, data and AI‑enabled bids on a contract basis. This role is perfect for an experienced architect who thrives in pre‑sales, solution leadership, and shaping commercially competitive technology propositions. The Opportunity As the senior technical lead across major bids, you'll design and govern advanced digital, data and AI architectures - ensuring they are scalable, deliverable, and positioned to win. You'll work closely with Growth, Service Design, and senior stakeholders to craft innovative, cloud‑native, data-driven solutions that demonstrate real measurable outcomes. What You'll Be Doing Solution Leadership Lead end‑to‑end architecture design for strategic bids (cloud, data, AI, automation). Translate business and outcome requirements into clear, integrated technical blueprints. Define...
IR35 Status:
Inside IR35

CV-Library Birmingham, West Midlands Contractor
CL
Apr 04, 2026  
Enterprise Architect
Enterprise Architect - 6‑month Contract | Inside IR35 Hybrid | Birmingham, Manchester, Leeds or London My client, a leading telecoms company is looking for an experienced Enterprise Architect to support a major digital transformation programme. This role requires someone who can operate at senior level, influence technology direction, and drive end‑to‑end architectural strategy across multiple domains. ✨ The Opportunity You will act as the Enterprise Architecture authority across a key portfolio, shaping future‑state architecture, defining roadmaps, and ensuring alignment across business, product and delivery teams. You will collaborate with solution architects, engineering leads and senior business stakeholders to ensure architectural coherence and accelerate strategic delivery. 🔧 Key Responsibilities Define and own the end‑to‑end Enterprise Architecture across the assigned domain. Develop target architectures, roadmaps, transition states and high‑level designs. Provide...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 04, 2026  
Enterprise Architect - CNI
Enterprise Architect - Critical National Infrastructure, SaaS, Digital Up to £725 per day (Inside IR35) Hybrid (Primarily Remote) 6 months My client is a high-profile consultancy who are seeking an exceptional Enterprise Architect / Lead Solutions Architect to support a large-scale Strategic Infrastructure Programme for an instantly recognisable end client. Key Requirements: Strong background as an Enterprise Architect / Lead Solutions Architect in complex, multi stakeholder programmes Experience in Critical National Infrastructure (CNI), within the Energy / Utilities (or equivalent) sector(s) Proven ability to drive Architectural discovery across capabilities, NFRs, integrations and data flows Excellent communication and leadership skills with experience influencing senior audiences Strong analytical and documentation skills with a proven ability to deliver at pace Experience collaborating with security SMEs to ensure alignment with enterprise security controls Ability to...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 04, 2026  
Lead Network Architect - Networks
Lead Network Architect - Networks - DC LAN Cisco Location: London (2 days onsite, 3 days remote) Duration: 12 months Inside IR35 - Umbrella only Active SC clearance required, eligible candidates will be considered Our client, a reputable organisation supporting critical national infrastructure, is hiring for a Lead Network Architect to join a high-profile project. This role offers an exciting opportunity to shape enterprise and data centre network architecture within a dynamic environment. What you'll be doing: Lead the design and implementation of enterprise and data centre network architectures, ensuring alignment with security, services, and business needs. Provide comprehensive network solutions, including logical and physical designs, security, and integration with broader IT systems. Ensure architectural governance and compliance, working closely with peer lead architects and reporting to the Chief Architect. Collaborate with multi-supplier eco-systems, including...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Mar 28, 2026  
Estimator
Our Client is looking for professional Estimator to join its established team. Provide estimating and product expertise on Rainwater, Skyline & Drainage brands. Ensure all enquiries are dealt with efficiently within an agreed timeframe, supported by a safety-focused and well-organised operation. Job Title: Estimator Location: Kettering Area Contract: Temp To Perm Salary: £13.50 P/Hr | (£28,000 Per Annum) Department: Commercial / Estimating 🌧️ About the Role This role is an opportunity to join a specialist team supporting brands in the building products sector: Rainwater, Skyline, and Drainage. You’ll be responsible for producing accurate, timely quotations and technical take-offs that help our customers deliver high‑quality projects across residential, commercial, and industrial sectors. You’ll work closely with General Manager, Customer service, Supply Chain to ensure every enquiry is handled professionally and efficiently. 🛠️ Key Responsibilities * Responding to...
IR35 Status:
Unknown Status

CV-Library Kettering, North Northamptonshire Contractor
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