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Security Engineer

Job in Sheffield, South Yorkshire, S5, England, UK
Listing for: Granola
Full Time position
Listed on 2026-05-30
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below

Hey! We're team Granola 👋 If you haven't already, you should check out what we're building, and why you should work here.

We're looking for our founding security engineer who is passionate about application security to help us protect our users and build trust as we scale.

In this role, you will be responsible for identifying and mitigating security vulnerabilities within Granola's applications, building security tools, and working closely with our development teams to integrate security throughout our software development lifecycle. You'll help establish a robust security culture as we unlock Granola for the next 100x users.

In this role, you will:
  • Conduct security assessments, code reviews, and penetration testing to identify vulnerabilities in our applications
  • Design and implement security tools, frameworks, and methodologies to protect against security threats
  • Work closely with development teams to ensure secure coding practices are integrated throughout the SDLC
  • Perform threat modeling and risk assessments to proactively identify potential risks and develop mitigation strategies
  • Track, analyse, and manage vulnerabilities in applications, providing guidance for remediation efforts
  • Support incident response by investigating and analyzing security incidents related to applications
  • Stay current on the latest security threats, vulnerabilities, and technologies to enhance our security posture
Your background looks something like:
  • Extensive experience in application security, cybersecurity, or related fields
  • Strong understanding of secure coding practices, threat modeling, risk assessments, and incident response
  • Proficiency in programming languages such as Type Script, Python, or similar
  • Experience with security tools, security protocols, encryption methods, and application security frameworks
  • Experience with cloud security (we use AWS)
  • Strong communication skills with the ability to explain complex security issues to both technical and non-technical audiences
As a person, you…
  • Are first and foremost a builder who thinks like an attacker
  • Are excited to work in-person from our office in London (most of the time)
  • Love working in a startup environment (you either have experience working in a startup or are really drawn to the zero-to-one phase)
  • Value working with people who are kind, ambitious, and pragmatic
  • Have a passion for protecting users and building secure systems
  • Thrive in a fast-paced environment where you can make a direct impact on product security

About the opportunity

We are living in the most exciting time for tool builders since Engelbart's demo in 1968. We want to assemble the best crew to build this future together, here in London.

Our compensation philosophy is to pay slightly above market on salary and above market on equity.

We do our best work in person, and so our team spends time together five days per week in our new, bright, and spacious office at Old Street. We are happy to offer relocation assistance to candidates who'll be moving to London to join us.

Lastly, we think amazing talent comes from all kinds of life journeys and experiences. If what is written above speaks to you, whether you look like a fit on paper or not, please reach out.

Referrals increase your chances of interviewing at Granola by 2x.

Apply BELOW

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