57 security architect jobs found

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...

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...

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...

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...

SECURITY ARCHITECT - 6 MONTHS - RATE £540 PD OUTSIDE IR35 - MAINLY REMOTE WITH OCCASIONAL ON SITE IN MANCHESTER FOR MEETINGS VALID SC CLEARANCE We are looking for an SC CLEARED Security Architect to work on a busy Government project on a Hybrid Basis Experience Required Proven experience as a Security Architect delivering into UK public sector environments. Expertise in cloud security (AWS, Azure and modern architectural patterns). Ability to articulate complex security concepts clearly to both technical and non-technical audiences. Strong stakeholder management and supplier engagement capabilities. Experience with Terraform  

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...

ServiceNow Platform Security Architect £600 - £650 Day Rate (Outside IR35) 6 month contract UK We’re looking for a ServiceNow Platform Security Architect to take ownership of the ongoing security of a customer’s ServiceNow platform, working on behalf of a delivery partner. In this role, you’ll be the go-to security authority for the platform, ensuring the ServiceNow instance remains secure, compliant and aligned with both internal governance standards and external regulatory requirements. You’ll sit across architecture, operations and advisory, providing day-to-day oversight, spotting and managing risk early and giving clear, practical guidance across all areas of platform security. Required Skills & Experience Strong experience across the ServiceNow platform, particularly ITSM, SecOps, and IRM/GRC Solid understanding of ServiceNow security architecture and control mechanisms Experience in platform governance, risk management, and...

Security Architect (SC), 3 Month Contract, Fully Remote, Outside IR35 Rate: £500 per day Outside IR35 Active SC is Mandatory Overview We are looking for an experienced Security Architect to join a public sector programme on an initial 3 month contract basis. This is a fully remote engagement, sitting outside IR35, and is focused on delivering robust cloud security architecture across AWS and Azure environments. The successful candidate will play a key role in shaping security design across the programme, ensuring alignment with industry frameworks and government standards. You will work closely with engineering, delivery, and governance teams to define and document architectural patterns, lead threat modelling activity, and provide hands-on guidance across cloud workloads and infrastructure. Key Responsibilities Design and own end-to-end security architecture across AWS and Azure cloud environments, ensuring solutions are secure by design and aligned to...

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...

SECURITY ARCHITECT - 6 MONTHS - RATE £540 PD OUTSIDE IR35 - MAINLY REMOTE WITH OCCASIONAL ON SITE IN MANCHESTER FOR MEETINGS - VALID SC CLEARANCE We are looking for an SC CLEARED Security Architect to work on a busy Government project on a Hybrid Basis Experience Required Proven experience as a Security Architect delivering into UK public sector environments. Expertise in cloud security (AWS, Azure and modern architectural patterns). Ability to articulate complex security concepts clearly to both technical and non-technical audiences. Strong stakeholder management a nd supplier engagement capabilities. Experience with Terraform PLEASE APPLY ONLINE ONLY - SmartSourcing are a Disability Confident Employer and we promote, celebrate and value diversity, we are committed to promoting equality and inclusion for all.

Security Architect (SC) - 3 Month Contract - Outside IR35 - Fully Remote Contract Type: Initial 3 month contract (Outside IR35) Rate: £500 per day Outside IR35 Location: Fully Remote Active SC is mandatory Role Overview: We are looking for an experienced Security Architect to join a public sector programme on an initial 3 month contract basis. This is a fully remote engagement, sitting outside IR35, and is focused on delivering robust cloud security architecture across AWS and Azure environments. The successful candidate will play a key role in shaping security design across the programme, ensuring alignment with industry frameworks and government standards. You will work closely with engineering, delivery, and governance teams to define and document architectural patterns, lead threat modelling activity, and provide hands-on guidance across cloud workloads and infrastructure. Key Responsibilities: Design and own end-to-end security architecture across AWS and...

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...

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)....