Senior Technical Security Consultant

Overview

In this role you lead security architecture across complex government and public-sector programmes, providing technical authority from design to implementation. You collaborate with cross-functional teams to embed secure-by-design practices throughout the technology lifecycle. You’ll tackle cloud, network, infrastructure and application security challenges, guiding risk assessments and security testing with senior stakeholders. This is a chance to shape security standards and influence high-profile projects in a global technology and consulting environment.

Pay / Benefits

• Competitive salary and benefits package
• London: up to £90,000 + car allowance
• Hybrid working across UK offices and client sites
• Role with travel to client sites
• Security clearance eligibility requirement

Responsibilities

• Act as a senior Security Architect and technical authority across projects and services
• Lead security architecture reviews and provide secure-by-design guidance
• Assess security controls across cloud, network, infrastructure and applications
• Review complex solutions against security, regulatory and business requirements
• Conduct threat modelling, risk assessments and vulnerability assessments
• Oversee security testing and penetration testing activities
• Support vulnerability management and remediation prioritization
• Collaborate with architects, engineers, testers and assurance teams to deliver secure solutions
• Act as escalation point for complex technical security challenges
• Mentor and support other security practitioners
• Contribute to development of technical security standards and best practices
• Communicate security risks and recommendations to technical and senior stakeholders

Key requirements

• Significant experience in Security Architecture, Security Engineering, Cloud Security, Network Security, Application Security or Penetration Testing
• Strong knowledge of modern cyber threats and attack techniques
• Experience applying Secure by Design principles in enterprise environments
• Understanding of cloud, infrastructure and enterprise security technologies
• Experience reviewing security architectures, risk assessments and security testing outputs
• Ability to translate complex security concepts into business-focused recommendations
• Excellent stakeholder management and communication skills
• Experience in large and complex enterprise environments
• Government/Defence or wider Public Sector experience advantageous

• Stakeholder management
• Clear communication
• Mentoring/teaching
• Security Architecture
• Security Engineering
• Cloud Security

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