23 security architect jobs found in London

Security Architect - SC Cleared - Outside IR35 Location : London Length: Initial 6 Months Type : 1 day a week on-site Clearance : Active SC Clearance IR35: Outside Rate: £500 - £550 Contingency : Must be able to start within 1-2 weeks Sanderson G&D are seeking a Security Architect who will provide strategic cyber security advice and guidance to digital product teams, acting as a Close Support Partner to ensu click apply for full job details

Application Architect - Contract Location: London (2-3 days per week on-site) Contract: 6 month Rate: £650 - £700 per day A leading international professional services organisation is seeking an experienced Applications Architect to support the selection, design, and global rollout of enterprise-grade applications across a complex, distributed environment. This role requires strong architectural capability across Microsoft 365, Azure, SaaS/COTS platforms, and enterprise integrations. You'll work embedded within the Strategy & Architecture function, supporting governance, design assurance, and technical leadership across multiple ongoing initiatives. Key Responsibilities: Act as the technical lead for new applications and cloud-hosted SaaS projects Own architectural design, governance, and technical decision-making Produce detailed architecture artefacts including HLDs, LLDs, patterns, and standards Support the global rollout and adoption of...

Application Architect - Contract Location: London (2–3 days per week on-site) Contract: 6 month Rate: £650 - £700 per day A leading international professional services organisation is seeking an experienced Applications Architect to support the selection, design, and global rollout of enterprise-grade applications across a complex, distributed environment. This role requires strong architectural capability across Microsoft 365, Azure, SaaS/COTS platforms, and enterprise integrations. You’ll work embedded within the Strategy & Architecture function, supporting governance, design assurance, and technical leadership across multiple ongoing initiatives. Key Responsibilities: Act as the technical lead for new applications and cloud-hosted SaaS projects Own architectural design, governance, and technical decision-making Produce detailed architecture artefacts including HLDs, LLDs, patterns, and standards Support the global rollout and adoption of...

Job Ref :- 843 | Senior Data Engineer (GCP) ( Hybrid | GCP Hybrid | Outside IR35) Apply via LinkedIn or Email your CV to:- HR@AGITCONSULTANCY.CO.UK About the Role We are looking for an experienced Senior Data Engineer to lead the design, development, and optimisation of our cloud-based data infrastructure. This role will take technical ownership of key data engineering initiatives, mentor junior team members, and ensure the security, scalability, and reliability of our data platform. Working closely with engineering, analytics, and security stakeholders, you will play a critical role in enabling data-driven decision-making across the business. Key Duties, Responsibilities & Accountabilities Data Architecture & Engineering Leadership Lead the design and implementation of robust, secure, and scalable data pipelines using ELT/ETL patterns. Develop and promote best practices around modular pipeline design, orchestration, and data transformations....

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...

Contract: Network Architect Start Date: ASAP Duration: 6 months Location: Remote UK Rate: £600 - £700 outside of IR35 Reference: 20253 **Experience working within service srovider environments preferred** The Network Architect is responsible for leading the design, architecture, and implementation of network solutions as part of customer-facing professional services engagements. The role works closely with delivery teams and engineers to ensure successful deployment of network infrastructure and serves as a technical escalation point during project delivery. The architect will engage with customers to gather requirements, run technical workshops, and translate business needs into scalable and secure network designs. This includes defining network topology, routing and switching, WAN connectivity, and security controls such as firewalls. The role also supports the deployment and validation of network solutions, ensuring they meet performance,...

Contract: Network Architect Start Date: ASAP Duration: 6 months Location: Remote UK Rate: £600 - £700 outside of IR35 Reference: 20253 *Experience working within service srovider environments preferred* The Network Architect is responsible for leading the design, architecture, and implementation of network solutions as part of customer-facing professional services engagements. The role works closely with delivery teams and engineers to ensure successful deployment of network infrastructure and serves as a technical escalation point during project delivery. The architect will engage with customers to gather requirements, run technical workshops, and translate business needs into scalable and secure network designs. This includes defining network topology, routing and switching, WAN connectivity, and security controls such as Firewalls. The role also supports the deployment and validation of network solutions, ensuring they meet performance, scalability, and...

London - 1 or 2 days per week onsite - City of London 6 months contract £570 per day - Outside IR35 Senior Application Developer London - Hybrid working (1 - 2 day per week office visit required) 6 months contract - £570 per day - Outside IR35 About the Role We are looking for a Senior Application Developer to design and build a robust PostgreSQL-based data platform that will underpin our investment reporting, risk analytics, regulatory disclosures and performance measurement. This is a genuinely high-impact, greenfield opportunity. You will have real ownership of the platform design and lead the migration away from Databricks and Excel-driven processes - leaving a lasting mark on infrastructure that sits at the heart of our investment operations. What You'll Be Doing You will lead the design and build of a scalable, secure PostgreSQL data platform to support: Portfolio holdings and valuations Performance and attribution reporting Risk analytics...

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...

We are seeking a Senior Azure Platform Engineer to support the delivery of a critical, Internet-facing cloud platform within a regulated legal services environment. The organisation is standing up a secure, scalable Azure-based platform to support consumer-facing workflow operations. This is a delivery-critical programme with tight timelines, requiring an experienced engineer who can bridge the gap between architectural design and hands-on implementation. You will work closely with the internal Cloud Centre of Excellence (CCoE), project delivery teams, and technical architects to implement secure, automated, production-grade Azure infrastructure while foundational cloud capabilities continue to mature. This is a highly hands-on role requiring strong Azure platform engineering expertise, Infrastructure-as-Code automation, and security-first thinking. Project Context Delivery of a new Azure-hosted platform supporting regulated, consumer-facing operations...

Tecknuovo is a deliberately different digital consultancy, delivering secure, modern solutions while upskilling client teams to ensure zero long-term dependency. We are seeking an actively SC Cleared Tech Lead/Solutions Architect (SFIA 6) to support a strategically important government-sector data modernisation programme , focused on establishing an AWS-native Data Landing Zone (DLZ) and leading the prototype-to-production delivery of a Legacy data migration .You will provide technical leadership, architectural direction, and help embed product-led, scalable delivery practices, ensuring high-quality engineering, strong DevOps automation, and smooth knowledge transfer into internal client teams. Essential Skills: Proven experience designing and implementing cloud-native architectures , ideally using AWS. Strong background leading technical delivery across multi-disciplinary engineering teams . Experience architecting and delivering data ingestion, storage,...

£110,000 to 140,000 GBP Bonus Remote WORKING Type: Permanent Job Title: Principal Platform Architect - Public Sector (SC/DV Clearance) Location: UK-wide (Remote) Salary: £110-140,000 + bonus (DOE) About the Role: We are hiring multiple Principal Platform Architects to lead the delivery of cloud platforms and solutions for complex public sector programmes. This is a fully remote UK role - no relocation or sponsorship available. As a Principal Platform Architect, you will provide technical leadership across multi-disciplinary agile teams, shaping cloud platform strategy and architecture, delivering high-impact solutions, and mentoring engineers to drive technical excellence. You will build strong relationships with senior stakeholders and influence technology adoption across programmes. Key Responsibilities: Lead delivery of large-scale cloud transformation programmes Make architectural and technical...

£110,000 to 140,000 GBP Bonus Remote WORKING Type: Permanent Job Title: Principal Platform Architect - Public Sector (SC/DV Clearance) Location: UK-wide (Remote) Salary: £110-140,000 + bonus (DOE) About the Role: We are hiring multiple Principal Platform Architects to lead the delivery of cloud platforms and solutions for complex public sector programmes. This is a fully remote UK role - no relocation or sponsorship available. As a Principal Platform Architect, you will provide technical leadership across multi-disciplinary agile teams, shaping cloud platform strategy and architecture, delivering high-impact solutions, and mentoring engineers to drive technical excellence. You will build strong relationships with senior stakeholders and influence technology adoption across programmes. Key Responsibilities: Lead delivery of large-scale cloud transformation programmes Make architectural and technical...

Application Developer - (PostrgreSQL / Python) Bullet Points London - 1 or 2 days per week onsite - City of London 6 months contract £570 per day - Outside IR35 Full Job Description - Senior Application Developer London – Hybrid working (1 – 2 day per week office visit required) 6 months contract - £570 per day – Outside IR35 About the Role We are looking for a Senior Application Developer to design and build a robust PostgreSQL-based data platform that will underpin our investment reporting, risk analytics, regulatory disclosures and performance measurement. This is a genuinely high-impact, greenfield opportunity. You will have real ownership of the platform design and lead the migration away from Databricks and Excel-driven processes — leaving a lasting mark on infrastructure that sits at the heart of our investment operations. What You’ll Be Doing You will lead the design and build of a scalable, secure PostgreSQL data platform to...

Enterprise Architect - Outside IR35 - Hybrid Role Purpose Provide enterprise-wide architectural leadership across business, digital, data, integration, and AI domains. Define target architecture, guide transformation, and ensure technology investments deliver measurable business outcomes while remaining secure, scalable, and compliant. Key Responsibilities Enterprise Architecture Define and maintain enterprise architecture vision, principles, target state, and roadmaps aligned to business, digital, and data strategy. Ensure initiatives align to target architecture with clear traceability to business outcomes (speed, cost, risk, customer experience). Balance strategic architecture with pragmatic delivery. Integration, iPaaS & Platforms Own the enterprise integration strategy and reference architecture. Define standards for API-led, event-driven, hybrid, multi-cloud, and SaaS integration. Govern iPaaS platforms (eg MuleSoft, Boomi, Azure Integration...

D365BC Functional Lead/Architect - 6 months - Outside IR35 - 500p/d An established end-user organisation is delivering a Microsoft Dynamics 365 Business Central (BC) implementation and requires a senior Functional Lead/Solution Architect to own solution design, configuration and delivery across core finance and operational workstreams. This is a hands on role, bridging business stakeholders and the SI, ensuring the system is fit-for-purpose and aligned to operational goals. Key Responsibilities: Lead functional design across D365 BC implementation Own end-to-end configuration, build, testing and deployment of new solutions and fixes Act as internal solution authority across Finance and Projects Translate business requirements into scalable BC designs Oversee UAT, manage defects and support go-live readiness Provide governance across P2P, R2R, OTC and Projects (Jobs module) Partner with technical resources on integrations and data migration Develop...

Senior DevOps Contract - PropTech - £400-500 p/day Oliver Bernard are currently hiring for a Senior DevOps Engineer, on a contract basis, to join an established PropTech client of ours to work on a transformational project - initially as a 3 month piece of work. Working closely with a team of DevOps Engineers and Architects, the incoming contractor will need extensive hands-on experience with the following: AWS Cloud and AWS Services Containerisation with Docker & Kubernetes IaC with Terraform CI/CD with GitHub pipelines Security / DevSecOps experience is also required This role requires 1 day p/week in a London office, and can offer £400-500 p/day Outside IR35, for an initial 3 months. Senior DevOps Contract - PropTech - £400-500 p/day

D365BC Functional Lead/Architect - 6 months - Outside IR35 - 500p/d An established end-user organisation is delivering a Microsoft Dynamics 365 Business Central (BC) implementation and requires a senior Functional Lead/Solution Architect to own solution design, configuration and delivery across core finance and operational workstreams. This is a hands on role, bridging business stakeholders and the SI, ensuring the system is fit-for-purpose and aligned to operational goals. Key Responsibilities: Lead functional design across D365 BC implementation Own end-to-end configuration, build, testing and deployment of new solutions and fixes Act as internal solution authority across Finance and Projects Translate business requirements into scalable BC designs Oversee UAT, manage defects and support go-live readiness Provide governance across P2P, R2R, OTC and Projects (Jobs module) Partner with technical resources on integrations and data migration Develop...

Senior Data Engineer - Outside IR35 - Hybrid Overview We are seeking an experienced Senior Azure Data Engineer to design and deliver an end-to-end Azure-based data warehouse for a wealth management firm undergoing a large-scale digital and data transformation. The role will involve leading the engineering of a scalable data platform, integrating multiple data sources, and enabling both batch and Real Time data consumption. Key Responsibilities Lead the design and delivery of an end-to-end Azure data warehouse. Implement Bronze/Silver/Gold medallion architecture. Build batch and incremental ETL/ELT pipelines. Integrate data from files, APIs, and databases. Design dimensional models (Kimball star schemas) including SCD Type 2. Implement Master Data Management concepts such as entity resolution and golden records. Develop REST APIs to support Real Time data access. Define integration patterns and document architectural decisions (ADRs). Implement data...

IT Infrastructure Engineer - Hybrid Cloud Location: Abingdon (Hybrid: 3 days on-site, 2 remote) Start: ASAP IR35: Outside Clearance: SC Our client is looking for an IT Infrastructure Engineer to join their Computing Division. You will deliver secure, resilient and high-performing hybrid cloud solutions while working with architects, engineers and project teams. Key Responsibilities: Design, implement and maintain IT infrastructure including Windows Server, Hyper-V, Active Directory and networking. Develop hybrid solutions integrating on-premises systems with Microsoft Azure. Use infrastructure-as-code tools such as PowerShell and Terraform and automation tools such as Ansible. Monitor and optimise system performance, availability and resilience and manage backups and disaster recovery. Implement security controls and ensure compliance with standards such as NIST, ISO 27001 and CAF. Produce documentation, runbooks and training materials and provide guidance to...