Senior Security Product Manager – Cloud Platform

Radiant Security; Greater London; Hybrid; GBP 90,000 - 140,000; Full time

Benefits offered by this job

25 days annual leave

Private medical insurance (Bupa)

Cycle to Work Scheme

Gympass subscription

Participation in company shares

Enhanced parental pay & leave

Job summary

Radiant Security in London, United Kingdom, is seeking a Senior/Principal Product Manager - Security to own the strategy, roadmap, and delivery of security capabilities across Radiant’s cloud platform. You will collaborate with engineering, infrastructure, SRE, networking, security, compliance, and customers to embed scalable, automated security features.

This highly technical role focuses on secure-by-design architecture, policy enforcement, governance, and security visibility, balancing

Qualifications

• Experience owning technical products, cloud security products, IAM, or developer-facing security tooling.
• Strong understanding of modern cloud and infrastructure security.
• Familiarity with IAM, RBAC, SSO, federation, service identities.

Responsibilities

• Own the strategy, roadmap, and delivery for security products and platform capabilities.
• Define the product experience across IAM, RBAC, secrets, encryption, audit logging, network controls, and policy management.
• Translate security requirements into clear product requirements, APIs, workflows, and priorities.
• Partner with engineering and security teams on secure-by-design architecture and platform hardening.
• Drive customer-facing capabilities for access control, security visibility, compliance evidence, and governance.
• Improve automation around policy enforcement, configuration, detection, remediation, and security posture.
• Collaborate with commercial and customer-facing teams on enterprise security requirements and reviews.
• Define success metrics across control coverage, adoption, security posture, and trust.

Skills

Security mindset

Product thinking

Technical fluency

Customer empathy

Systems thinking

Ownership

Tools

Vault

OPA

SPIFFE/SPIRE

Kubernetes security tooling

SIEM

cloud KMS

Job description

Radiant Security in London, United Kingdom, is seeking a Senior/Principal Product Manager - Security to own the strategy, roadmap, and delivery of security capabilities across Radiant’s cloud platform. You will collaborate with engineering, infrastructure, SRE, networking, security, compliance, and customers to embed scalable, automated security features.

This highly technical role focuses on secure-by-design architecture, policy enforcement, governance, and security visibility, balancing