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.
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