Application Security Engineering Manager

Job summary

Responsibilities

As our engineering and research organisation grows, so does the complexity of securing it. Our Application Security team is at the forefront of that challenge — building AI-native security tooling, embedding security into the development lifecycle at scale, and finding ways to make a small, highly…

• Lead, support, enable and grow the AppSec team — owning hiring, onboarding, performance, and career development for a team of Senior and Staff-level Security Engineers.
• Own the formalisation of AppSec strategy and roadmap, translating team input, business risk and engineering context into a clear, prioritised programme of work with measurable…
• Be a credible technical partner to your team — able to engage substantively on threat models, security architecture, agentic tooling design, and risk decisions, and willing to…
• Define and maintain the team's operating rhythm: OKRs, quarterly planning, cross-team coordination, and stakeholder communication up to leadership.
• Act as a key interface between AppSec and the rest of the organisation and leadership — building relationships with business leadership, engineering leads, the Developer Platform…

What they're looking for

• You're a strong communicator who can operate across audiences — from deeply technical discussions with staff engineers, to clear risk framing for leadership, to pragmatic…
• You have a strong engineering background in application security, with hands-on experience in areas such as threat modelling, secure design review, (AI-)SAST/SCA tooling…
• You are very comfortable with Python and JavaScript. You have experience with AWS and/or GCP from a cloud infrastructure perspective, and you know your way around GitHub Actions.
• You have meaningful people management experience — you've hired, grown, and performance-managed security engineers, and you understand what good looks like at senior IC levels.
• You've led or significantly contributed to an AppSec programme in a fast-growing SaaS or AI company, ideally one where the engineering organisation was scaling faster than the…

Tech stack

• Python
• AWS
• GCP
• Kubernetes