10 of 10 Contract Senior Architect Jobs in the UK

Senior Network Architect Location: South West London (Hybrid - 2-3 days onsite) Rate: 650 per day (Umbrella, Inside IR35) Contract: Long-term Contract Security Clearance: DV Clearance essential A leading organisation operating within a highly secure environment is seeking an experienced Senior Network Architect to join … secure and resilient infrastructure. Contribute to architecture governance and technical strategy. Provide expert guidance across multiple projects. Essential Experience Proven experience as a Network Architect within complex enterprise environments. Strong knowledge of WAN, LAN, Wi-Fi, data centre and mobile networking. Experience with network security, monitoring and management solutions. ...

Senior Network Architect Location: South West London (Hybrid - 2-3 days onsite) Rate: £650 per day (Umbrella, Inside IR35) Contract: Long-term Contract Security Clearance: DV Clearance essential A leading organisation operating within a highly secure environment is seeking an experienced Senior Network Architect to join … secure and resilient infrastructure. Contribute to architecture governance and technical strategy. Provide expert guidance across multiple projects. Essential Experience Proven experience as a Network Architect within complex enterprise environments. Strong knowledge of WAN, LAN, Wi-Fi, data centre and mobile networking. Experience with network security, monitoring and management solutions. ...

Cleared Senior Solution Architect (Microsoft/EUC) Key Points Scarborough (onsite required) Active DV clearance required (mandatory) Contract: 06/07/2026 - 21/08/2026 Rate: Competitive Day Rate - Inside IR35 Overview This is an opportunity to join a leading technology services organisation delivering consultancy … into a highly secure environment. You will operate as a Senior Solution Architect, taking ownership of technical design, governance, and delivery assurance across complex, in-flight programmes. The role requires an experienced consultant who can lead architecture strategy, engage senior stakeholders, and take control of challenging ...

Senior Solutions Architect (Consultant) - Transport Programme Contract | Hybrid London | 6 Months | £749/day Umbrella Overview A major UK transport organisation is seeking two experienced Solution Architects to support a large-scale ticketing and payments transformation programme. The role covers end-to-end solution architecture across discovery, design … 40m+) Break down solutions into delivery work packages Ensure alignment with business capability and strategy Drive cost optimisation and TCO reduction Engage senior stakeholders and vendors Provide architecture assurance across delivery Essential Experience Enterprise/solution architecture in large-scale programmes Complex system design across multiple vendors Strong integration ...

Senior Network Architect - Cisco SDA, DNAC, ISE Up to £550 per day (Inside IR35) London (remote with ad-hoc on site) A client of mine is currently looking for an experienced Senior Network Architect to support them on a short-term contract, with extensive experience designing ...

Senior Network Architect - Cisco SDA, DNAC, ISE Up to £550 per day (Inside IR35) London (remote with ad-hoc on site)A client of mine is currently looking for an experienced Senior Network Architect to support them on a short-term contract, with extensive experience designing ...

SENIOR HPC/COMPUTE ARCHITECT ROLE OVERVIEW Owns the strategy and design for optimising risk computation stack across both the C++ engine and the Rust library, from initial architecture through production stabilisation and intraday extension. Responsible for architecture, validation strategy, and technical metrics framework. KEY RESPONSIBILITIES - Define ...

Network IT is recruiting for an experienced Senior Network Architect reporting directly to the CTO at our client, who is about to undergo enterprise network and datacentre transformation. This is a key role leading the architecture for a major new programme, with responsibility for designing and governing secure … architecture across physical and logical domains, including LAN, WAN, SD-WAN, cloud networking, firewalls, load balancers, VPNs, and network security services. Working closely with senior stakeholders, delivery teams, and suppliers, you will ensure solutions align with business objectives, security requirements, and enterprise architecture standards. Please note this ...

Cleared Senior Solution Architect (Microsoft/EUC) Key Points Scarborough (onsite required) Active DV clearance required (mandatory) Contract: 06/07/2026 - 21/08/2026 Rate: Competitive Day Rate - Inside IR35 Overview This is an opportunity to join a leading technology services organisation delivering consultancy ...

Rate : Up to £600 per day depending on experience Clearance : Active SC Clearance required About the role A public sector client needs a Senior Boomi Architect to set the technical direction for a high-profile integration programme. This is the person who owns how integrations get designed across … pragmatic problem-solver who can explain technical trade-offs to technical and non-technical people alike. Nice to have Boomi certification (Professional Developer or Architect level). Prior public sector or regulated-environment delivery. Security clearance You'll need active SC Clearance to be considered. ...