Senior Penetration Tester (CHECK Certified)

Opus Recruitment Solutions United Kingdom
Remote
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AI Summary

Join a leading consultancy's elite offensive security team to deliver high-profile penetration testing engagements across government, defense, and regulated industries. As a CHECK certified penetration tester, you'll work on complex projects, conduct technical assessments, and produce actionable reports. Collaborate with senior consultants and contribute to internal knowledge sharing.

Key Highlights
Deliver CHECK penetration testing engagements
Conduct technical assessments across infrastructure, applications, cloud, and bespoke systems
Produce clear, actionable reports with tailored remediation guidance
Collaborate with senior consultants and offensive security specialists
Mentor junior testers (for senior roles)
Technical Skills Required
Penetration testing Red teaming Exploit development Cloud security Infrastructure security Application security
Benefits & Perks
Salary: £50k-£110k+
Remote work: Fully remote UK setup

Job Description


CHECK Certified Penetration Testers (All Levels) - UK remote - £50k-£110k+


Opus has partnered with a leading consultancy with an established offensive security team, renowned for delivering exceptional CHECK penetration testing engagements across high assurance environments. This organisation is trusted by government, defense, and enterprise clients to secure their most critical systems.


The Role

We are seeking CHECK certified penetration testers at all levels (CTM, CTL, and equivalent) to join this elite team. You’ll be working on complex, high profile projects where your expertise will directly contribute to protecting national infrastructure and sensitive environments.


Main responsibilities:

  • Deliver CHECK penetration testing engagements across government, defense, and regulated industries.
  • Perform technical assessments covering infrastructure, applications, cloud, and bespoke systems.
  • Produce clear, actionable reports with tailored remediation guidance.
  • Collaborate with senior consultants and offensive security specialists on advanced projects.
  • Research emerging threats and contribute to internal knowledge sharing.
  • Mentor junior testers (for senior roles).


Requirements

  • CHECK certification (CTM or CTL).
  • Strong technical background in penetration testing, red teaming, or exploit development.
  • Experience in high assurance environments (government, defense, or regulated sectors).
  • Excellent communication skills for technical and non technical audiences.
  • Ability to work independently in a fully remote UK setup.

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