CHECK Team Member - Pentration Tester

Role: CHECK Team Member (CTM)

Location: UK-wide (Hybrid) – Travel to client sites required

Clearance: UK Citizen + Active SC

Employment Type: Full-time

Industry: Cybersecurity / Information Security / Penetration Testing

About the Role

I’m recruiting on behalf of a specialist cybersecurity client who is expanding their penetration testing function. They are seeking an experienced CHECK Team Member (CTM) to support a broad portfolio of government and commercial security testing engagements.

This is an excellent opportunity for a CTM-certified penetration tester who thrives in technically challenging environments and wants to grow within a high-performing team.

Key Responsibilities

  • Deliver penetration testing assignments across infrastructure, web, cloud, internal networks, and mobile
  • Conduct CHECK-approved engagements within secure or sensitive environments
  • Document findings clearly and produce concise, high‐quality technical reports
  • Provide remediation guidance and support to clients
  • Collaborate with senior testers and consultants during large or complex assessments
  • Travel to client sites as required (UK only)
  • Required Skills & Qualifications

    • CHECK Team Member (CTM) certification – Essential
    • UK citizenship – Essential
    • Active SC clearance – Essential
    • Strong penetration testing experience across multiple domains
    • Solid understanding of exploitation techniques, security controls, and vulnerability analysis
    • Proficiency with common security testing tools (e.g., Burp Suite, Nmap, Metasploit, Kali Linux, etc.)
    • Good written and verbal communication skills
    • Ability to work independently on client engagements
  • Desirable Skills

    • Certifications such as OSCP, OSWE, eCPPT, CREST, or GIAC equivalents
    • Scripting experience in Python, PowerShell, Bash, or similar
    • Experience in government, defence, or high‐assurance environments

    Job Details

    Company
    Opus Recruitment Solutions
    Location
    Greater London, England, United Kingdom
    Hybrid / Remote Options
    Posted