SC-Cleared Cloud Security Architect (UK Hybrid/Remote)

Sanderson Government & Defence; Greater London; Hybrid; GBP 101,000 - 109,000; Full time

Job summary

Sanderson Government & Defence is seeking an experienced Security Architect to join a specialist consultancy delivering critical government projects and digital transformations. You will lead secure cloud design, provide architectural assurance, and promote security-by-design across large programmes.

You will work with Engineering, DevOps and Delivery teams to shape cloud security, manage risk, and strengthen security postures in highly regulated environments, including government services and

Qualifications

• Proven experience as a Security Architect, Cloud Security Architect, or Enterprise Security Architect.
• Expertise in: Cloud Security Planning, Cloud Security Architecture, Cloud Infrastructure Security, Cloud Security Assessment, Managed Cloud Security Services.
• Strong understanding of secure cloud design principles and architecture methodologies.
• Experience securing large-scale cloud environments.
• Strong knowledge of cloud-native security controls and services.
• Experience with threat modelling, risk assessments, and security architecture reviews.
• Ability to translate business requirements into secure technical solutions.
• Experience working within highly regulated environments.
• Strong stakeholder management and communication skills.
• Active SC Clearance.

Responsibilities

• Define and maintain cloud security architecture, standards, and security frameworks across multiple projects.
• Design secure cloud solutions that meet business, operational, security, and compliance requirements.
• Ensure architectures align with recognised security standards, industry frameworks, and architectural best practices.
• Establish security patterns, principles, and reusable standards for adoption across delivery teams.
• Lead the development and continuous improvement of cloud security strategies and roadmaps.
• Ensure security requirements are embedded within technology and business initiatives from inception.
• Support governance activities through architectural assurance and security guidance.
• Conduct design reviews and provide recommendations relating to security risks and control effectiveness.
• Define, document, and oversee the implementation of cloud security controls.
• Identify security risks within cloud environments and recommend mitigation strategies.
• Conduct security assessments and architecture reviews to validate security and compliance requirements.
• Support threat modelling activities and risk assessments for new and existing services.
• Support the transition of cloud solutions into operational security environments.
• Ensure operational teams have the controls, monitoring capabilities, and processes required to manage secure services.
• Collaborate with Security Operations, Incident Response, Engineering, and Platform teams to maintain secure systems.
• Drive continuous improvement within security monitoring and incident response capabilities.
• You will work closely with Cloud Engineering, Infrastructure, Security Operations, DevOps, Enterprise Architects, and Programme Leadership.

Skills

Security Architect

Cloud Security

Threat modelling

Regulated environments

Stakeholder management

Active SC Clearance

Tools

Kubernetes

Terraform

GitHub

GitLab

Jenkins

CI/CD Security Tooling

Microsoft Defender Suite

Splunk

Microsoft Sentinel

CrowdStrike

Prisma Cloud

Wiz

Job description

Sanderson Government & Defence is seeking an experienced Security Architect to join a specialist consultancy delivering critical government projects and digital transformations. You will lead secure cloud design, provide architectural assurance, and promote security-by-design across large programmes.

You will work with Engineering, DevOps and Delivery teams to shape cloud security, manage risk, and strengthen security postures in highly regulated environments, including government services and