Security Architect

Security Architect

Location: London (2 days per week onsite)
Duration: 12 Months
Rate: £600 per day
Clearance Requirement: BPSS (Must be a UK National with a minimum of 5 years’ unbroken UK residency)

Overview

We are seeking an experienced Security Architect to join a high-profile programme, providing security architecture expertise to support the delivery of complex technology and business initiatives.

The successful candidate will work closely with technical teams, risk owners, project stakeholders, and senior leadership to ensure security considerations are embedded throughout the design and delivery lifecycle. You will be responsible for assessing security risks, advising on appropriate controls, and ensuring solutions align with business objectives while maintaining an appropriate security posture.

Key Responsibilities

• Lead the development and review of secure solution architectures across a range of projects and programmes.
• Apply security architecture principles to real-world business and technical challenges, considering all relevant information and constraints.
• Ensure appropriate levels of rigour are applied to security designs to deliver effective and proportionate solutions.
• Translate complex security concepts, risks, and technical issues into clear, actionable advice for both technical and non-technical stakeholders.
• Conduct security risk assessments and provide recommendations on risk treatment options.
• Work closely with risk owners to provide guidance, challenge assumptions, and support informed decision-making.
• Advise stakeholders on risk impact, risk appetite, and whether identified risks fall within acceptable tolerance levels.
• Facilitate discussions and respond confidently to challenges from stakeholders, delivery teams, and governance bodies.
• Build consensus across multiple stakeholder groups while managing expectations and balancing business and security requirements.
• Review solution designs and recommend security controls that align with organisational policies and industry best practices.
• Support security assurance and governance activities throughout the project lifecycle.

Essential Skills & Experience

• Proven experience working as a Security Architect within complex enterprise environments.
• Strong understanding of security architecture frameworks, principles, and best practices.
• Demonstrable experience applying security concepts at a deep technical level across infrastructure, cloud, applications, networks, and data.
• Strong risk management and risk assessment experience.
• Ability to analyse complex business and technical problems and design effective security solutions.
• Experience advising senior stakeholders and presenting security recommendations to both technical and non-technical audiences.
• Excellent communication, stakeholder management, and influencing skills.
• Experience working with risk owners and governance teams to assess, document, and manage security risks.
• Strong understanding of risk methodologies and the ability to apply them proportionately within different business contexts.
• Ability to challenge constructively and drive consensus across diverse stakeholder groups.

Desirable Experience

• Experience working within government, regulated, or large-scale enterprise environments.
• Familiarity with security assurance and governance processes.
• Knowledge of industry security frameworks and standards such as NIST, ISO 27001, CIS Controls, and Secure by Design principles.
• Experience supporting cloud security architectures and digital transformation programmes.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.