Security Architect

Overview

We are seeking experienced Security Architects (SFIA Level 5 and Level 6) to support large-scale Home Office digital transformation programmes delivered by Accenture. The successful candidate will be responsible for defining security architecture strategy, controls, standards, and secure-by-design solutions across complex enterprise and cloud environments.

Key Responsibilities

• Design and deliver enterprise-wide security architecture solutions.
• Define security principles, patterns, and architectural roadmaps.
• Conduct threat modelling and security risk assessments.
• Support cloud security and modernisation initiatives.
• Collaborate with technical, solution, and delivery teams.
• Ensure compliance with security frameworks and government standards.
• Provide architectural leadership and security assurance.
• Produce security architecture documentation and technical designs.

Essential Skills & Experience

• Security Architecture
• Threat Modelling
• Cloud Security
• Security Risk Management
• Security Controls Design
• Identity & Access Management (IAM)
• Network Security
• Application Security
• Security Architecture Frameworks
• Container & Kubernetes Security
• Security Governance
• Security Assurance
• Architecture Documentation
• Stakeholder Management
• Cloud Platforms (AWS, Azure or GCP)
• Agile Delivery Environments

Technical Skills

Preferred Technologies

• AWS
• Microsoft Azure
• Google Cloud Platform (GCP)
• Kubernetes
• Docker
• Terraform
• IAM
• SIEM Technologies
• DevSecOps / CI-CD

SFIA Level 5 Expectations

• Takes responsibility for defining and assuring security architecture.
• Influences project and programme security decisions.
• Provides security leadership within a workstream.
• Works autonomously with minimal supervision.

SFIA Level 6 Expectations

• Owns enterprise-level security architecture strategy.
• Influences organisational security policy and standards.
• Leads architecture governance and security decision-making.
• Provides expert guidance to senior stakeholders and delivery teams.

Desirable

• Current SC Clearance.
• Home Office or wider public sector experience.
• Experience supporting large, complex digital transformation programmes.

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