Penetration Tester

Penetration Tester

Full-Time 55000 - 55000 £ / year (est.) No working from home possible
Oscar Associates Limited

At a Glance

  • Tasks: Conduct penetration testing and security assessments for diverse client environments.
  • Company: Growing UK cyber security consultancy focused on public sector and Defence.
  • Benefits: Competitive salary, remote/hybrid work, generous leave, and overnight bonuses.
  • Other info: Collaborate with experts and enjoy excellent career growth opportunities.
  • Why this job: Join a dynamic team and tackle real-world security challenges while making a difference.
  • Qualifications: Active SC clearance, CHECK Team Member status, and proven penetration testing experience.

The predicted salary is between 55000 - 55000 £ 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
  • #J-18808-Ljbffr
Oscar Associates Limited

Contact Details:

Oscar Associates Limited Recruitment Team

We think you need these skills to ace Penetration Tester

Active SC clearance
CHECK Team Member status
Penetration Testing
Infrastructure Security Testing
Web Application Security Testing
Cloud Security Testing
Report Writing