# Offensive Security Engineer

Hiring organization: [LSEG](https://career.thegoodapps.co/organizations/lseg)

Canonical page: https://career.thegoodapps.co/jobs/2cfa7c53-e656-447a-9217-a75e557aeb45

Listed on LSEG's own careers site. Applications go to them directly.

- Seniority: Senior

## Summary

This role leads vulnerability discovery and offensive security testing programmes across a major financial services organisation, coordinating with third-party vendors and internal teams to validate findings and drive remediation at scale. It suits someone with hands-on penetration testing or red team experience who can bridge technical depth with programme management and wants to shape security strategy in a large enterprise.

_Our summary, not LSEG's wording._

## Skills named

Active Directory, Bash (Scripting), Penetration Testing, Python, Vulnerability Management

## Required

- Bachelor's degree in technology or equivalent cyber security certifications
- Understanding of large-scale enterprise IT environments
- Knowledge of security vulnerabilities and common software flaws
- Experience validating and triaging vulnerability reports
- Strong communication and presentation skills

## Nice to have

- Red Teaming, Penetration Testing or Bug Bounty background
- Experience building AI agentic workflows
- Experience deploying and managing security tooling
- Understanding of MITRE ATT&CK, Kill Chain and OWASP frameworks

Apply on LSEG's site: https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/London-United-Kingdom/Offensive-Security-Engineer_R0120088