Security Engineer, AIS

🔒 Confidential Employer
Posted 6 May 2026
LOCATION
London
TYPE
Full-time
LEVEL
Mid-Senior level
CATEGORY
Technology
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

Adversary simulation Offensive security Penetration testing Go programming Threat modeling Automation tooling Communication Vulnerability chaining

FULL DESCRIPTION

Security Engineer, AIS

[Employer hidden — sign up to reveal] - London, England, United Kingdom

Posted: 05 May 2026 | Weekly Hours: 35 | Role Number: 200660425-2114

Description

The Adversary Simulation Program (ASP) is a branch of Information Security at [Employer hidden — sign up to reveal] responsible for emulating real-world adversaries through offensive security engagements and automation. We build and operate the frameworks and tooling that power our engagements and extend detection and response capabilities across [Employer hidden — sign up to reveal]. We are seeking a Security Engineer with a passion for offensive security and automation to conduct adversary simulations, execute offensive security engagements, and build the tooling that makes those efforts scalable and repeatable.

Responsibilities

  • Develop and maintain adversary simulation frameworks and automation tooling to support engagements and scale our capabilities
  • Scope, plan, and execute offensive security engagements across [Employer hidden — sign up to reveal] services and infrastructure
  • Automate engagement workflows including finding validation, remediation tracking, and adversary behaviour testing
  • Translate findings into actionable tasks for engineering teams and communicate risk clearly to stakeholders
  • Build relationships with engineering and leadership teams to drive security improvements
  • Identify telemetry gaps and contribute to detection validation alongside cross-functional security teams
  • Conduct design reviews and provide guidance on secure development practices

Minimum Qualifications

  • Experience in a security engineer, security consultant, penetration tester, or similar role
  • Expertise in threat modeling, secure architecture design, and reviewing complex systems
  • Strong capability in penetration testing applications, infrastructure, cloud environments and Golang
  • Experience communicating risk to engineering and leadership teams

Preferred Qualifications

  • Bachelor's degree in Computer Science or related field (or equivalent experience)
  • Relevant certifications (e.g., OSCP, OSWE, OSMR)
  • Experience with CTFs, bug bounty programs, or published research
  • Community contributions like public CVEs, open source tools, blogs, or talks
  • Experience constructing adversary scenario narratives and building exploit chains
  • Experience with adversary simulation frameworks or detection validation tooling
  • Experience with Swift

Additional Information

At [Employer hidden — sign up to reveal], we're not all the same. And that's our greatest strength. We draw on the differences in who we are, what we've experienced and how we think. Because to create products that serve everyone, we believe in including everyone. Therefore, we are committed to treating all applicants fairly and equally. As a registered Disability Confident employer, we will work with applicants to make any reasonable accommodations. [Employer hidden — sign up to reveal] will consider for employment all qualified applicants with criminal backgrounds in a manner consistent with applicable law. Learn more. At [Employer hidden — sign up to reveal], we believe accessibility is a fundamental human right. Learn about accessibility in [Employer hidden]’s workplace.

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