43 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 ensure Secure by Design principles are Embedded throughout the product development lifecycle. The role focuses on assurance, architecture guidance, and risk-based decision support, enabling secure delivery without owning build or operations. Key Responsibilities Attend regular project and design meetings to understand requirements and delivery milestones. Perform initial and iterative threat modelling for new features, integrations, and architectural changes. Advise on secure architecture design, including IAM, network segmentation, encryption, and...

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

Costello & Reyes Group Ltd has been engaged by its client, an international Pharma firm, to identify an SC Cleared Security Architect Lead for an initial 6 month engagement ( with a likelihood to extend). The Security Architect Lead will be responsible for leading the design and implementation of a Zero Trust Architecture (ZTA) framework aligned to NIST SP 800-207 Zero Trust Architecture principles. This is a strategic role focused on enhancing the organisation's security posture by implementing identity-centric, policy-driven access controls across a hybrid and cloud-first environment. Acting as the key interface between senior client stakeholders and subject matter experts (SMEs), the successful candidate will ensure that architectural decisions are robust, aligned to best practice, and deliverable within the organisation's technical and operational landscape. YOU WILL NEED TO HOLD VALID SC CLEARANCE Key Responsibilities Lead the end-to-end design and delivery...

Location: Remote (very occasional meeting in London) Rate: £900-£1000 per day Outside IR35 Duration: 4 month contract We are supporting a global healthcare organisation on a specialist security engagement focused on genomic data. This is a highly sensitive and emerging area of healthcare where existing security standards are not sufficient. They are seeking a Senior Cyber Security Architect to define the security blueprint for protecting genomic data long-term. This is a design-only role, focused on producing a structured architecture and justification for future implementation. Key Responsibilities Define a target-state security architecture for genomic data Develop a domain-level threat model for genomic data and associated risks Identify why current security standards are not sufficient for this data type Design tokenisation and privacy-preserving security approaches Define the operating model (people, process, technology) for secure handling...

Opening: Join the Mission At ByDesign Secure, we believe that world‑class security should not be an afterthought—it should be the foundation. We are an independent, outputs‑based consultancy delivering some of the UK public sector’s most complex and sensitive security‑critical systems. We are currently supporting a landmark, cross‑government secure IT transformation, architecting private cloud environments from the ground up and modernising end‑user services that underpin national decision‑making. Our model prioritises impact, autonomy, and technical excellence over hierarchy and utilisation. This is an opportunity for a Principal Security Architect to shape not only individual solutions, but the security posture, architectural standards, and strategic direction of nationally significant programmes. About the Opportunity As a Principal Security Architect, you will operate at the highest technical and strategic level within ByDesign Secure. You will define security strategy...

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 ensure Secure by Design principles are Embedded throughout the product development lifecycle. The role focuses on assurance, architecture guidance, and risk-based decision support, enabling secure delivery without owning build or operations. Key Responsibilities Attend regular project and design meetings to understand requirements and delivery milestones. Perform initial and iterative threat modelling for new features, integrations, and architectural changes. Advise on secure architecture design, including IAM, network segmentation, encryption, and...

Role: Security Architect/Security ConsultantSC-cleared (mandatory)£500 Outside ir35RemoteStart 18/04End 3 months initially - client has opportunity to extendMust be able to:Communicate clearly and confidently with senior stakeholders.Take ownership of workstreams.Operate independently - not be led by the client.Hold their own in discussions with technical and non-technical stakeholders.Expected to work across different areas of DWP throughout the week.Skills & ExperienceEssentialStrong background as a Security Architect or Senior Security Consultant.Ability to work autonomously and provide high-level security guidance.Excellent communication and stakeholder-management skills.Experience working in large government environments.Ability to translate complex technical concepts into clear business language.Comfortable working in a small, high-trust team.Technical ExposureAWS (highly beneficial).DWP experience (strong advantage).Nice to HaveExperience leading or mentoring small...

Location: Remote (very occasional meeting in London) Rate: £900-£1000 per day Outside IR35 Duration: 4 month contract We are supporting a global healthcare organisation on a specialist security engagement focused on genomic data. This is a highly sensitive and emerging area of healthcare where existing security standards are not sufficient. They are seeking a Senior Cyber Security Architect to define the security blueprint for protecting genomic data long-term. This is a design-only role, focused on producing a structured architecture and justification for future implementation. Key Responsibilities Define a target-state security architecture for genomic data Develop a domain-level threat model for genomic data and associated risks Identify why current security standards are not sufficient for this data type Design tokenisation and privacy-preserving security approaches Define the operating model (people, process, technology) for secure handling...

Location: Remote (~1 day per month in London) Rate: Competitive day rate Duration: Initial 4 month contract (extendable) We are a leading consultancy supporting a major health insurance organisation on a critical data security programme. We're seeking a Cyber Security Architect with deep expertise in Data Security to define and deliver secure architectures for highly confidential data. This is a hands-on role focused on shaping target state architectures, building data protection roadmaps, and embedding secure design across complex, data-centric environments. Key Responsibilities Define and deliver end-to-end Data Security Architecture aligned to business and regulatory requirements. Establish security principles, patterns, and guardrails across structured, unstructured, and cloud data environments. Design solutions across data classification, DLP, encryption, tokenisation, key management, and access governance. Develop and drive data security roadmaps from...

Role: Security Architect/Security Consultant SC cleared (mandatory) £500 Outside ir35 Remote Start 18/04 End 3 months initially - client has opportunity to extend Must be able to: Communicate clearly and confidently with senior stakeholders. Take ownership of workstreams. Operate independently - not be led by the client. Hold their own in discussions with technical and non technical stakeholders. Expected to work across different areas of DWP throughout the week. Skills & Experience Essential Strong background as a Security Architect or Senior Security Consultant. Ability to work autonomously and provide high level security guidance. Excellent communication and stakeholder management skills. Experience working in large government environments. Ability to translate complex technical concepts into clear business language. Comfortable working in a small, high trust team. Technical Exposure AWS (highly beneficial). DWP experience (strong advantage). Nice to Have Experience...

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

Role: Security Architect / Security Consultant SC-cleared (mandatory) £500 Outside ir35 Remote Start 18/04 End 3 Months initially - client has opportunity to extend Must be able to: Communicate clearly and confidently with senior stakeholders. Take ownership of workstreams. Operate independently - not be led by the client. Hold their own in discussions with technical and non-technical stakeholders. Expected to work across different areas of DWP throughout the week. Skills & Experience Essential Strong background as a Security Architect or Senior Security Consultant. Ability to work autonomously and provide high-level security guidance. Excellent communication and stakeholder-management skills. Experience working in large government environments. Ability to translate complex technical concepts into clear business language. Comfortable working in a small, high-trust team. Technical Exposure AWS (highly beneficial). DWP experience (strong advantage)....

Cloud Security Engineer (GDC / IAM / Encryption) - Contract Rate: £600 day Outside IR35 Location: London - hybrid (2 days onsite) Duration: 12 months Clearance: SC eligible (5+ years UK residency), willingness for DV Overview Join a high-impact programme delivering secure, large-scale cloud infrastructure within a UK government environment. You'll help design and secure a private/distributed cloud platform supporting critical national services. Key Responsibilities Design & implement secure workloads in Google Distributed Cloud (GDC) / GCP (GDC experience not necessarily needed but would be strongly desired) Build and manage IAM architectures (SSO, MFA, privileged access lifecycle) Enforce least privilege via resource hierarchies, policies, and constraints Configure network security controls (firewalls, WAF, service perimeters) Deliver data protection & encryption (KMS, CMEK/EKM, sensitive data handling) Secure CI/CD pipelines with vulnerability...

Cloud Security Engineer (GDC/IAM/Encryption) - Contract Rate: £600 day Outside IR35 Location: London - hybrid (2 days onsite) Duration: 12 months Clearance: SC eligible (5+ years UK residency), willingness for DV Overview Join a high-impact programme delivering secure, large-scale cloud infrastructure within a UK government environment. You'll help design and secure a private/distributed cloud platform supporting critical national services. Key Responsibilities Design & implement secure workloads in Google Distributed Cloud (GDC)/GCP (GDC experience not necessarily needed but would be strongly desired) Build and manage IAM architectures (SSO, MFA, privileged access lifecycle) Enforce least privilege via resource hierarchies, policies, and constraints Configure network security controls (firewalls, WAF, service perimeters) Deliver data protection & encryption (KMS, CMEK/EKM, sensitive data handling) Secure CI/CD pipelines with vulnerability scanning...

Solutions Architect – Dynamics 365 / Azure | 6‑month Contract | Outside IR35 | £650–£700/day | Remote (UK) We are working with a large UK‑based legal organisation undertaking a major enterprise applications consolidation programme. They are seeking a Contract Solutions Architect to join their Applications & Development function and take architectural ownership of a complex transformation, consolidating multiple legal case management systems into Microsoft Dynamics 365 with Peppermint, supported by Azure and the Microsoft Power Platform. This is a hands‑on, business‑facing role, working closely with senior stakeholders, internal delivery teams, and third‑party software vendors. Key Responsibilities Own the end‑to‑end solution architecture across a large transformation programme Act as architectural authority across business, delivery teams, and suppliers Lead the migration and consolidation into Dynamics 365 with Peppermint Legal Solutions Assure...

Supply Chain Domain Solution Architect London (2 days per week onsite) c£650/day - Outside IR35 We are seeking a Supply Chain Domain Solution Architect to support a major supply chain and retail technology transformation within a FTSE 250 organisation. The role will focus on designing and governing end-to-end supply chain solutions across a complex, multi-brand, high-volume retail environment. Role Overview This is a hands-on architecture role responsible for defining and delivering solution designs across the retail supply chain, including procurement, supplier integration, inventory and stock management, warehousing, logistics, and distribution. The focus is on scalable, standardised architectures that support high-volume operations, perishable inventory considerations, and complex supplier and concession models. Key Responsibilities Solution Architecture Design end-to-end supply chain and inventory solutions covering supplier ? distribution centres ? retail...

Role: Technical Lead | Solution Architect Contract: 6 month (Outside IR35) Rate: £500-£550 a day Location: London (Hybrid) We're working with a large, established organisation delivering a major digitalisation and process-improvement programme. They're seeking an experienced Power Platform Technical Lead to help shape, build and embed enterprise-grade solutions. This is a hands-on technical leadership role where you'll combine solution architecture, delivery oversight and team leadership within an Agile and DevOps-driven environment , working with both onshore and offshore teams. What you'll be doing: Leading the end-to-end design and delivery of Power Platform solutions Owning technical architecture , ensuring scalability, security and best practice Guiding development across Power Apps (Canvas & Model-Driven), Power Automate and Dataverse Driving CI/CD, DevOps and source-control standards across the team Overseeing integrations with Azure...

Costello & Reyes Group Ltd has been engaged by its client, an international Finance house to identify a CyberArk (PAM) Architect for an initial 12 - 18 months engagement (with a likelihood to extend). Overview The Senior CyberArk Architect will be responsible for designing, implementing, and governing enterprise-grade Privileged Access Management (PAM) and identity security solutions across complex hybrid and multi-cloud environments. This role requires deep technical expertise in CyberArk platforms, identity security architecture, and Zero Trust principles, alongside strong experience integrating security technologies across cloud, infrastructure, and enterprise identity ecosystems. The role will act as a senior technical authority, shaping security architecture decisions, leading implementation strategy, and ensuring alignment with industry frameworks and organisational security standards. Key Responsibilities Security Architecture & Design Lead the design...

Role: Technical Lead | Solution Architect Contract: 6 month (Outside IR35) Rate: £500- £550 a day Location: London (Hybrid) We 're working with a large, established organisation delivering a major digitalisation and process-improvement programme. They 're seeking an experienced Power Platform Technical Lead to help shape, build and embed enterprise-grade solutions. This is a hands-on technical leadership role where you 'll combine solution architecture, delivery oversight and team leadership within an Agile and DevOps-driven environment , working with both onshore and offshore teams. What you 'll be doing: Leading the end-to-end design and delivery of Power Platform solutions Owning technical architecture , ensuring scalability, security and best practice Guiding development across Power Apps (Canvas & Model-Driven), Power Automate and Dataverse Driving CI/CD, DevOps and source-control standards...

Salesforce Telco Architect | £650 – £750 | Outside IR35 | 6 Months | Hybrid Remote   We’re recruiting for an experienced Salesforce Architect with experience in the Telecomms industry for a 6-Month contract role. This is a pivotal role supporting a client launching a new product line requiring scalable service processes, custom solutions and optimised customer journeys. This position is determined as Outside IR35 and is offered on a Hybrid remote basis.   Key Requirements   Lead end-to-end architecture of Service Cloud and Experience Cloud digital launches Design scalable Sales Cloud architectures for high-volume customer journeys and workflows Define secure, resilient integration architectures with telco billing and provisioning systems Set performance, security and best-practice standards for Omni-Studio service experiences Telco industry experience highly beneficial for complex, large-scale Salesforce architectures This role requires occasional onsite days in...