Penetration Tester - Outside IR35

Penetration Tester - Outside IR35

Posted 7 days ago by 1764063315

£500 Per day
Outside
Remote
London

Summary: The role of Penetration Tester involves supporting a large-scale international security program by delivering high-quality offensive security assessments across various platforms. The position requires hands-on experience with penetration testing tools and methodologies, as well as strong communication skills for reporting to technical teams and senior stakeholders. The contract is for 12 months and offers full flexibility with a fully remote working arrangement. Candidates should have relevant experience and certifications in the field of penetration testing.

Key Responsibilities:

  • Deliver structured penetration tests, vulnerability assessments, and security design reviews.
  • Plan, execute, and report on testing activities within an AGILE sprint model.
  • Produce clear technical findings, risk assessments, and remediation guidance.
  • Communicate effectively with technical teams and senior stakeholders.
  • Identify and exploit vulnerabilities across operating systems, networks, applications, and protocols.

Key Skills:

  • Strong experience in web and infrastructure penetration testing.
  • Proficiency with offensive security tooling and methodologies.
  • Ability to produce clear, structured, executive-level reporting.
  • Knowledge across network security, application security, cryptography, and authentication.
  • SC / NATO SECRET security clearance (or eligibility to obtain).
  • Relevant certifications (OSCP, OSCE, OSWE, GPEN, CREST) beneficial.

Salary (Rate): £500 per day

City: London

Country: United Kingdom

Working Arrangements: remote

IR35 Status: outside IR35

Seniority Level: Mid-Level

Industry: IT

Detailed Description From Employer:

Role: Penetration Tester

Duration: 12 month Contract

Pay: Up to £500 per day (Outside IR35)

Location: Fully Remote

Excellent long term contract for an experienced Penetration Tester to support a large-scale international security programme, delivering high-quality offensive security assessments across applications, infrastructure, and networks.

You'll be joining a specialist team responsible for delivering structured penetration tests, vulnerability assessments and security design reviews. Working within a defined AGILE sprint model, you will plan, execute and report on testing activities, producing clear technical findings, risk assessments and remediation guidance. Strong communication skills are essential, as you'll deliver briefs to both technical teams and senior stakeholders.

The role requires hands-on experience with modern penetration testing tools and recognised methodologies, along with the ability to identify and exploit vulnerabilities across operating systems, networks, applications, and protocols. A background in scripting (Python, Go, PowerShell or shell) is highly desirable.

Key Requirements:

  • Strong experience in web and infrastructure penetration testing
  • Proficiency with offensive security tooling and methodologies
  • Ability to produce clear, structured, executive-level reporting
  • Knowledge across network security, application security, cryptography and authentication
  • SC / NATO SECRET security clearance (or eligibility to obtain)
  • Relevant certifications (OSCP, OSCE, OSWE, GPEN, CREST) beneficial

This role offers the chance to contribute to a critical, high-profile security initiative while enjoying full flexibility and Outside IR35 engagement.

If you're an experienced Pen Tester looking for your next long-term contract, I'd love to hear from you.