Security Engineer

Job Title: Senior Security Engineer
Location: UK Remote
Salary: Competitive daily rate outside IR35

Why Apply?

This opportunity suits an experienced Security Engineer who enjoys influencing platform and solution design at an early stage. Working within a large-scale technology environment, this role focuses on threat modelling, architectural security assurance and guiding teams towards secure, compliant outcomes.

Security Engineer Responsibilities:

• Threat model platform and solution designs to identify security risks and recommend appropriate mitigations.
• Review and approve network access requests, ensuring least-privilege and secure-by-design principles are applied.
• Assess project, platform and architectural design documentation to identify security gaps, weaknesses or inappropriate design choices.
• Provide security assurance for solutions hosted in AWS, ensuring alignment with cloud security best practices and internal standards.
• Work closely with architects, senior engineers and DevOps teams to influence secure outcomes without disrupting delivery.
• Provide clear, pragmatic guidance on whether proposed designs meet internal security standards and are fit for purpose.
• Ensure all solutions align with established security policies, frameworks and organisational security standards.
• Act as a trusted security advisor, capable of constructively challenging technical decisions while maintaining strong stakeholder relationships.

Security Engineer Requirements:

• Proven experience in information or cyber security roles within complex, modern technology environments.
• Strong hands-on experience with threat modelling methodologies and secure architecture review.
• Solid understanding of platform, cloud and network security principles, including AWS environments.
• Ability to interpret and challenge technical designs produced by architects, engineers and DevOps teams.
• Experience reviewing access controls, network configurations and platform-level security decisions.
• Excellent communication skills, with the confidence to redirect technical approaches while remaining collaborative.
• Knowledge of security standards, governance and risk management practices.

We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age.