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Penetration Tester

Opus Recruitment Solutions
Liverpool
1 week ago
Applications closed

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Penetration Tester – UK Remote – £45,000–£60,000


We're working with a leading Cyber Security consultancy seeking atechnically strong and experienced Penetration Testerto join their established offensive security team.

This is a fantastic opportunity for someone with a solid foundation inComputer Scienceand proven hands-on experience in ethical hacking to step into a role where you'll lead projects, mentor juniors, and have a tangible impact across real-world attack simulations, red teaming, and security testing.


You’ll be working alongside other highly skilled red teamers, delivering client-facing engagements acrossweb applications, cloud platforms, infrastructure, and bespoke systems—while also contributing to research, tooling, and internal capability development.


Responsibilities

  • Lead and execute end-to-endpenetration testsacross cloud, web, API, and infrastructure environments
  • Identify, exploit, and document complex vulnerabilities in both black-box and white-box scenarios
  • Develop and refine internal tooling and automation for reconnaissance, enumeration, and post-exploitation
  • Support and contribute to red team exercises, providing technical expertise and tactical input
  • Collaborate with clients to interpret findings and develop tailored remediation strategies
  • Participate in research and internal knowledge-sharing; contribute to methodology improvements
  • Mentor junior team members and review their work during engagements


Requirements

  • Strong academic or professional background inComputer Scienceor a related technical discipline
  • Hands-on penetration testing experience—ideally 2+ years in client-facing consultancy or in-house red teaming
  • Proficiency with offensive tools and frameworks:Burp Suite, Nmap, Metasploit, BloodHound, Sliver, etc.
  • Strong understanding ofvulnerability classes, exploit development, and theOWASP Top 10
  • Comfortable scripting inPython, Bash, or PowerShellto automate testing workflows
  • Familiarity with cloud security concepts and infrastructure (AWS, Azure, or GCP)
  • CTF experience, GitHub projects, or relevant certifications (e.g.,OSCP,CRTO,CSTM) are a big plus
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