Cyber Security Lead
Job in
City Of London, Central London, Greater London, England, UK
Listed on 2026-10-10
Listing for:
Oscar Technology
Full Time
position Listed on 2026-10-10
Job specializations:
-
IT/Tech
Cybersecurity, Information Security & Data Protection, Security Management & Operations
Job Description & How to Apply Below
Cyber Security Lead GBP
115,000 - GBP
135,000 London
Our client is a growing technology business developing an enterprise AI platform for the financial services market. They're looking for a Cyber Security Lead to take ownership of product, cloud and security assurance within a highly confidential, multi-tenant SaaS environment.
Key Responsibilities:- Lead product and application security across the development lifecycle, including threat modelling, secure code review, vulnerability management and CI/CD security controls
- Work closely with engineering and cloud teams to secure AWS environments, including IAM, network segmentation, encryption, logging and monitoring
- Own security controls around identity, permissions, tenant isolation, audit trails and incident response
- Lead security assurance activity covering SOC 2, ISO 27001 and wider customer security requirements
- Support enterprise customer security reviews, questionnaires and due diligence while helping shape security standards across the organisation
- 7+ years' experience in cyber security or security engineering
- Strong experience securing cloud-native SaaS platforms, ideally within AWS environments
- Hands-on application security experience across threat modelling, OWASP and secure software development
- Good understanding of cloud security, identity, access controls, encryption and monitoring
- Experience delivering or implementing SOC 2 and/or ISO 27001 programmes
- Experience supporting enterprise security reviews, questionnaires, audits or customer due diligence
- Strong communication skills with the ability to work effectively with engineers, leadership and external stakeholders
- Experience securing AI, LLM or agentic applications
- Knowledge of ISO 42001, EU AI Act or AI security risks
- Financial services or other regulated industry experience
- Experience with Kubernetes, infrastructure as code or wider cloud-native technologies
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