Security Lead - Member of Technical Staff
Callosum is hiring for Security Lead - Member of Technical Staff in London. Staff level. First seen August 21, 2026; open as of November 13, 2026. Jobs taken straight from company career pages — no aggregator in between.
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- Company
- Callosum
- Where
- London
- Level
- Staff
- First seen
- August 21, 2026
- Listed via
- Ashby
What the posting says
These products run in very different environments and for customers with very different security requirements, from shared cloud infrastructure through to sovereign, on-premise, and isolated deployments. This role owns how security is designed and assured across that landscape. You will set the security architecture, translate customer and deployment requirements into concrete technical expectations for engineering teams, and ensure that the guarantees we make can be demonstrated in practice. You will lead security engagements across customers, infrastructure partners, and external technical…
Read more and apply on Callosum's site
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