Lead Security Engineer in London

Lead Security Engineer in London

London Full-Time 60000 - 84000 £ / year (est.) On-site
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At a Glance

  • 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.
  • Other info: Be part of a high-impact team with opportunities for growth and ownership.
  • 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.

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

Wave Talent is an exceptional employer that fosters a collaborative and innovative work culture, perfect for Senior Fullstack Engineers looking to make a significant impact in the tech industry. With a competitive salary and equity options, employees benefit from a hybrid working model that promotes work-life balance, alongside ample opportunities for professional growth and mentorship. Located in London, the company offers a vibrant environment where creativity thrives, making it an ideal place for those eager to contribute to cutting-edge AI-powered solutions.

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Contact Details:

Wave Talent Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Lead Security Engineer in London

✨Get Involved in the Cybersecurity Community

Diving into the cybersecurity community is key for landing that full-time gig. Join forums like Reddit's r/cybersecurity or attend local meetups to connect with industry veterans and other job seekers. Networking is everything in this field—don’t just be a passive lurker!

✨Show Off Your Skills with Capture the Flag Competitions

Participate in Capture the Flag (CTF) competitions; these are not just a fun way to boost your skills but also a chance to showcase your talent to potential employers. Many companies, including Wave Talent, love seeing candidates who actively engage in these challenges.

✨Tailor Your Online Presence

Make sure your LinkedIn and any professional profiles reflect your cybersecurity expertise. Share your projects, whether they’re personal or from a previous role, to catch the eye of hiring managers. This is how they’ll find your passion and commitment to the field!

✨Apply Directly Through Wave Talent

Don’t forget to head straight to our website and check out any openings for cybersecurity roles at Wave Talent. Applying directly can sometimes give you an edge, especially if you can mention that you've been following our work or engaging in the community.

We think you need these skills to ace Lead Security Engineer in London

Security Engineering
Cloud-Native SaaS
Infrastructure as Code (IaC)
Terraform
AWS
TypeScript
Security Features Development

Some tips for your application 🫡

Show off your technical skills:In cybersecurity, it's crucial to highlight your technical prowess. Make sure your CV showcases specific skills like network security, penetration testing, or threat analysis. If you have relevant certifications (like CEH or CISSP), pop those on the front page to grab attention!

Tailor your portfolio for the role:Even for a full-time role, a portfolio can set you apart. If you've worked on any cybersecurity projects—be it CTF challenges, security assessments, or research papers—include these in your application. This demonstrates not just your skills, but also your hands-on experience!

Use real-world examples:When writing your cover letter, don’t just stick to your qualifications. Share real-world examples of how you’ve tackled security issues or vulnerabilities. This gives the hiring team at Wave Talent insight into your practical problem-solving abilities and makes your application memorable.

Demonstrate your passion for cybersecurity:Cybersecurity is an ever-evolving field, so show us that you’re always learning! Mention any recent courses, webinars, or industry events you’ve attended. This not only exhibits your enthusiasm but also signals to Wave Talent that you’re committed to staying ahead in the game.

How to prepare for a job interview at Wave Talent

✨Sharpen Your Technical Skills

For a role in cybersecurity, it’s essential to be up-to-date with the latest tools and techniques. Brush up on your knowledge of firewalls, intrusion detection systems, and vulnerability assessment tools. Be ready to discuss specific scenarios where you’ve applied these skills, as hands-on experience can really set us apart in interviews.

✨Prepare for Scenario-Based Questions

Expect the interviewers at Wave Talent to throw in some hypothetical situations to see how you’d handle them. Think about common security breaches or incidents and be prepared to explain how you would respond. This not only shows your problem-solving skills but also your understanding of real-world cybersecurity challenges.

✨Highlight Your Certifications

Certifications like CompTIA Security+, CISSP, or CEH can give you a significant edge in a full-time role in cybersecurity. Make sure to mention these during your interview and be prepared to discuss what you learned through those certifications and how they relate to the position at Wave Talent.

✨Show Your Passion for Cybersecurity

Since you’re going for a full-time gig, showing genuine enthusiasm for the field can make all the difference. Share any personal projects, blogs, or communities you’re part of that relate to cybersecurity. This not only showcases your passion but also your commitment to staying engaged in this ever-evolving field.