Adversarial Tooling Engineer - Red Team
- Sheffield - 1-2 days per week onsite
- Inside IR35
We're working with a leading banking client to appoint a Red Team SME to provide engineering expertise across the Red Team function, with a particular focus on developing and maintaining an offensive tooling landscape.
The role will translate Red Team operator requirements into robust, practical tooling that can be used reliably during real-world engagements, including scripts, utilities, automation, services and agent-side components.
Key responsibilities:
- Design, build and maintain internal offensive security tooling from concept through to deployment and support
- Work directly with Red Team operators to understand TTPs and translate requirements into effective technical solutions
- Develop and maintain an offensive tooling landscape that improves the capability, efficiency and repeatability of Red Team engagementsBuild tooling designed for real-world assessment conditions, including constrained environments and limited connectivity
- Apply secure-by-design principles, ensuring tooling operates within agreed rules of engagement and governance
- Develop AI-enabled and agentic tooling where appropriate, with suitable guardrails, approval controls and auditability
- Improve the quality, reliability and maintainability of the wider toolset through testing, documentation, refactoring and automation
- Work closely with adversarial engineers, defensive security teams and wider technology functions
We're looking for:
- Strong software engineering experience building maintainable tools and services
- Practical offensive security experience across Red Teaming, penetration testing or adversary simulation
- Strong programming experience across languages such as Python, Go, C#, C++ or TypeScript
- Experience building operator-facing tooling, automation frameworks, APIs or agent/implant components
- Strong Linux experience, with CI/CD and automated testing knowledge
- Good understanding of operational security, tooling safety and working within governance
- Experience with AI-enabled tooling or agents and associated safety controls would be highly advantageous
This is an opportunity to sit at the intersection of software engineering and offensive security , directly engineering the tools and capabilities that enable a high-performing Red Team.
More details available on successful application.
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