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Senior DevSecOps Engineer - London

Hiya - London, United Kingdom - In-office - posted 2026-09-13

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Hiya is a B2B SaaS company focused on making business calls more trusted, useful, and effective through branded calling, caller identity verification, and voice security solutions. This Senior DevSecOps Engineer role is a hybrid leadership and individual contributor position responsible for maturing security posture across all engineering departments. You will lead the design and implementation of automated, platform-based security solutions that enable teams to build secure software while maintaining velocity. Key Responsibilities: - Define and execute a multi-quarter security roadmap for the entire engineering organization - Develop and maintain platform-level security tools that enable automated, self-service security for feature teams - Partner with Core Tech to integrate security primitives into standard CI/CD and cloud deployment workflows - Conduct cross-team discovery to assess current security posture and identify high-risk technical debt - Mentor junior and peer engineers, fostering a culture where security is integrated into the "you build it, you run it" philosophy - Stay ahead of evolving threat landscapes, specifically regarding supply chain risks and large-scale AI infrastructure - Own and mature existing detection, SIEM, and incident-response tooling as part of building out the broader security platform - Act as a security collaborator to IT on AI-usage risk (data exposure via connectors/agents, prompt injection) You are expected to balance high-level strategy with hands-on technical execution, build from near-scratch, thrive on educating others, and possess a "platform" mindset that prioritizes empowering developers over acting as a gatekeeper. Hiya values ownership, transparency, autonomy, and a collaborative leadership style rooted in empathy. Requirements: - Deep understanding of cloud-native architecture (AWS) and modern security best practices - Proven experience designing "self-service" platforms that developers actually want to use - Strong communication skills—ability to turn complex security concerns into decisions engineers and stakeholders can act on - High proficiency in at least one modern programming language and familiarity with agent-based/AI-assisted development tools - Pragmatism—knowing when to accept calculated tech debt in favor of high-impact outcomes - Leadership style rooted in empathy, collaborative debate, and commitment to team decisions - Ability to build systems, documentation, and team capability that outlast you

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