Join a high-growth scale-up as their first Security Engineer, owning application security across a 60+ person engineering team. You will partner with product squads to build secure systems from the ground up for a platform used by Netflix, Airbnb, and Block. This is a foundational role with massive ownership and technical influence.
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Security Engineer at Incident
Join one of London’s fastest-growing startups as their first Security Engineer. You’ll have a blank canvas to build the security function from scratch, working alongside an elite engineering team led by ex-Monzo founders. If you’re a senior IC who thrives on application security and wants to own the strategy for a platform managing over 500,000 incidents globally, this foundational role offers a market-leading salary, meaningful equity, and the chance to define security for a category-defining product.
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Location
London, United Kingdom
Compensation
£110k-£200k + Equity
Company
Incident
Role overview
Software
incident.io is an all-in-one incident management platform that unifies on-call scheduling, real-time incident response, AI-powered SRE tools, and integrated status pages. It enables teams to create, manage, and resolve incidents directly in Slack or Microsoft Teams, automating workflows, providing context, and helping organizations communicate effectively during outages to reduce downtime and improve reliability.[1][2][4]
What you will do
- Lead application security by partnering with product teams to design and review features with security built in from the initial architecture phase.
- Identify and remediate vulnerabilities using both white-box code reviews and black-box penetration testing across applications, APIs, and GCP infrastructure.
- Build and implement pragmatic security tooling and automation that strengthens defenses without compromising the engineering team's high shipping velocity.
Who this is a fit for
- Senior or Staff-level experience with a deep track record in vulnerability research, penetration testing, and secure code review for modern web stacks.
- Hands-on proficiency in Go, TypeScript, or React, with the ability to influence design and implementation decisions directly alongside product engineers.
- Pragmatic approach to risk management within cloud environments (GCP), prioritizing high-impact security improvements while maintaining a culture of rapid delivery.
Why this role is remarkable
- Foundational hire opportunity: As the first security-specific engineer, you will shape the entire security culture and function from day one without legacy debt.
- Elite backing and traction: Backed by Index Ventures and Insight Partners with $100M raised, serving 1,500+ top-tier tech companies globally.
- Product-driven engineering: Work in a high-trust, ex-Monzo leadership environment that values shipping daily and uses a modern Go and TypeScript stack.
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
Meet Jack
What happens next?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and Incident wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.