H

Senior Penetration Tester (Outside IR35) - 12-Month Contract - Fully Remote

Haystack • United Kingdom
Remote
This Job is No Longer Active This position is no longer accepting applications

Haystack is seeking an experienced Penetration Tester for a 12-month, fully remote contract. You will conduct structured offensive security testing across applications, infrastructure, and networks within an Agile environment. The role involves delivering penetration tests, vulnerability assessments, and producing detailed reports for various stakeholders.

Key Highlights
Perform structured offensive security testing (applications, infrastructure, networks)
Work within an Agile sprint model
Produce clear technical findings, risk summaries, and remediation guidance
Engage with technical teams and senior stakeholders
Eligibility for SC/NATO SECRET clearance required
Technical Skills Required
Web penetration testing Infrastructure penetration testing Network penetration testing Vulnerability assessment Security design review Python Go PowerShell Shell scripting
Benefits & Perks
£450–£500 per day
12-month contract
Fully Remote
Long-term contract on a high-profile security programme

Job Description

Penetration Tester (Outside IR35)

£450–£500 per day

12-month contract – Fully Remote

People Source is hiring an experienced Penetration Tester to support a major international security programme. You’ll perform structured offensive security testing across applications, infrastructure and networks, working within an Agile sprint model.

What you’ll do

  • Deliver web, infrastructure and network penetration tests
  • Run vulnerability assessments and security design reviews
  • Produce clear technical findings, risk summaries and remediation guidance
  • Work with technical teams and senior stakeholders
  • Use modern offensive tooling and recognised methodologies
  • Script in Python, Go, PowerShell or Shell (desirable)
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