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- Tasks: Build and enhance security features in a cutting-edge serverless environment.
- Company: Join a dynamic Series A B2B SaaS company backed by top-tier VCs.
- Benefits: Enjoy equity options, competitive pay, and the chance to shape security from the ground up.
- Why this job: Make a real impact by designing security into the software lifecycle and engaging with enterprise clients.
- Qualifications: Strong experience in cloud-native security engineering and hands-on skills with IaC and TypeScript.
- Other info: Be part of a high-impact team with opportunities for growth and ownership.
The predicted salary is between 60000 - 84000 £ per year.
Overview
This range is provided by Wave Talent. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.
Location: London (3 office days/week)
Industry: B2B SaaS / Procurement & Spend Control
Stage: Series A, backed by tier-1 VCs
Benefits:
- Founding security engineer role with massive ownership
- Modern serverless stack (AWS, IaC, TypeScript)
- Equity with real upside
- High-impact opportunity to build security from the ground up
This role doesn’t offer relocation or sponsorship.
Responsibilities:
- You’ll be deeply embedded in the platform engineering team, building new security features, rolling out testing frameworks, and hardening serverless AWS infrastructure.
- Security here isn’t an afterthought; you’ll design it in from the start, making sure the stack (AWS, serverless, TypeScript, IaC) stays ahead of evolving threats.
- Alongside the engineering, you’ll play a critical role in customer conversations, providing reassurance to enterprise clients, walking them through architecture, frameworks, and secure connections, and showing how security is built into the software lifecycle.
- About 10–15% of your role will be commercial-facing, enabling revenue and building trust with customers.
This is a senior/staff-level role where high ownership, passion for delivery, and the ability to make meaningful change are essential. You’ll have the chance to build the security function, shape culture, and scale security as the company grows.
Must have requirements:
- Strong security engineering experience in cloud-native SaaS environments
- Hands-on with IaC (Terraform/CDK) and TypeScript
- Proven experience building & rolling out security features ahead of time
- Ability to partner with sales/CS teams on enterprise customer calls
- High ownership mindset, bias for action, and passion for impact
Bonus points for experience with:
- Security tooling (Vanta, Snyk, Wiz, Semgrep, Orca)
- Multi-region, fine-grained data security at scale
- Open-source contributions, CTF wins, or conference talks
- Procurement/fintech data-flows or PCI
Seniority level: Mid-Senior level
Employment type: Full-time
Job function: Software Development
Lead Security Engineer in London employer: Wave Talent
Contact Detail:
Wave Talent Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Lead Security Engineer in London
✨Tip Number 1
Network like a pro! Reach out to folks in the industry, attend meetups, and connect with potential colleagues on LinkedIn. The more people you know, the better your chances of landing that Lead Security Engineer role.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your security projects, especially those involving AWS, IaC, and TypeScript. This will give you an edge and demonstrate your hands-on experience to potential employers.
✨Tip Number 3
Prepare for interviews by brushing up on common security scenarios and challenges in cloud-native environments. Be ready to discuss how you've built security features and partnered with sales teams in the past—this will show you're the right fit for the role.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search!
We think you need these skills to ace Lead Security Engineer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Lead Security Engineer role. Highlight your experience with cloud-native SaaS environments and any hands-on work with IaC and TypeScript. We want to see how your skills align with what we're looking for!
Showcase Your Impact: In your application, don’t just list your responsibilities; showcase your impact! Talk about specific security features you've built or rolled out ahead of time. We love seeing how you’ve made a difference in your previous roles.
Be Authentic: Let your personality shine through in your written application. We’re looking for someone with a high ownership mindset and passion for delivery, so don’t be afraid to express your enthusiasm for building security from the ground up!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for this exciting opportunity. We can’t wait to hear from you!
How to prepare for a job interview at Wave Talent
✨Know Your Tech Stack
Make sure you’re well-versed in the technologies mentioned in the job description, especially AWS, IaC, and TypeScript. Brush up on your hands-on experience with these tools, as you might be asked to discuss specific projects or challenges you've faced using them.
✨Showcase Your Security Mindset
Prepare examples of how you've built security features into previous projects. Be ready to explain your thought process and how you stay ahead of evolving threats. This role is all about proactive security, so demonstrate your passion for integrating security from the ground up.
✨Engage with Customer Scenarios
Since this role involves customer interactions, think of scenarios where you’ve had to reassure clients about security measures. Practice explaining complex security concepts in simple terms, as you’ll need to build trust with enterprise clients during calls.
✨Emphasise Ownership and Impact
This position requires a high ownership mindset, so come prepared with examples that showcase your ability to take initiative and drive meaningful change. Highlight any instances where your actions led to significant improvements in security or team processes.
