Penetration Tester

Company: Oscar Associates Limited
Apply for the Penetration Tester
Location: West Midlands
Job Description:

Salary: £55,000 – 55,000 per year

Requirements

  • Active SC clearance is essential.
  • Current CHECK Team Member status is essential.
  • Proven experience delivering penetration testing engagements.
  • Knowledge of infrastructure, web application, and cloud security testing.
  • Strong report writing and communication skills.
  • Excellent understanding of common vulnerabilities, attack techniques, and security best practices.
  • Candidates must be willing to undergo DV clearance.

Responsibilities

  • Deliver CHECK penetration testing engagements across client environments.
  • Conduct infrastructure, web application, cloud, and Active Directory security assessments.
  • Identify vulnerabilities and provide practical remediation advice.
  • Produce clear, high-quality technical reports for clients.
  • Support and collaborate with a wider team of cyber security consultants on varied projects.
  • Maintain testing activities in line with NCSC CHECK and CREST methodologies.

Technologies

  • Active Directory
  • Cloud
  • Support
  • Security
  • Web

More

We are a growing UK cyber security consultancy delivering penetration testing services to government and public sector organisations. This is a remote/hybrid role with WFH and client visits, offering a package of £50-55k plus expenses, an overnight bonus, and up to 31 days annual leave. We provide the opportunity to work on a broad range of challenging engagements within the public sector and Defence space.

Last updated 27 week of 2026

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Posted: July 10th, 2026