Senior Penetration Tester

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This Job is No Longer Active This position is no longer accepting applications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

Perform structured offensive security testing, deliver reports, and provide remediation guidance. Requires experience in penetration testing, network security, and application security. Eligible for SC/NATO SECRET clearance.

Key Highlights
Deliver web, infrastructure, and network penetration tests
Run vulnerability assessments and security design reviews
Produce clear technical findings and risk summaries
Work with technical teams and senior stakeholders
Use modern offensive tooling and recognised methodologies
Technical Skills Required
Python Go PowerShell Shell SC/NATO SECRET clearance OSCP OSCE OSWE GPEN CREST
Benefits & Perks
Salary: £450-£500 per day
Remote work
12-month contract

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)


What you’ll bring

  • Strong hands-on penetration testing experience
  • Knowledge of network security, application security, cryptography and authentication
  • Ability to produce structured reports for technical and executive audiences
  • Eligibility for SC/NATO SECRET clearance
  • Certifications such as OSCP, OSCE, OSWE, GPEN or CREST (beneficial)


This is a long-term contract on a high-profile security programme with full remote flexibility.


Apply now via Haystack.


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