Senior Security Engineer
Semble • London, England • Posted June 24, 2026
About the Role
Senior Security Engineer
Technology - London, Greater London (Remote)
Are you a hands-on security professional ready to define what application security looks like in the age of agentic AI? Do you want to work somewhere that treats security as a genuine competitive advantage and a core part of building trustworthy healthcare software? Excited by the challenge of evolving security practice at pace, in an industry where the stakes are real?
This is not a pure compliance role, and it is not a pure red team role. It is a broad, technical, high-ownership position for someone who is equally comfortable threat modelling a new AI-powered product feature, owning your SAST and SCA pipelines, and contributing to an ISO 27001 audit.
About Semble
At Semble, we are on a mission to enable health professionals to amplify their impact. We improve the way healthcare is delivered to millions of people by providing doctors and their teams with powerful, inno...
Technology - London, Greater London (Remote)
Are you a hands-on security professional ready to define what application security looks like in the age of agentic AI? Do you want to work somewhere that treats security as a genuine competitive advantage and a core part of building trustworthy healthcare software? Excited by the challenge of evolving security practice at pace, in an industry where the stakes are real?
This is not a pure compliance role, and it is not a pure red team role. It is a broad, technical, high-ownership position for someone who is equally comfortable threat modelling a new AI-powered product feature, owning your SAST and SCA pipelines, and contributing to an ISO 27001 audit.
About Semble
At Semble, we are on a mission to enable health professionals to amplify their impact. We improve the way healthcare is delivered to millions of people by providing doctors and their teams with powerful, inno...