CV

Penetration Tester

CV-Library LS1, Leeds, West Yorkshire Posted 22 Sep 2026 Closing: 01 Jan 0001
Permanent Hybrid

Role Description & Technical Scope

Essential Roles & Responsibilities

As a Penetration Tester at Claranet, you will able to deliver you own web application tests and through training and partnering, you will be involved in a full range of testing work from mobile app and infrastructure testing to social engineering and Red Team exercises.

Key Responsibilities:
  • Undertaking web and mobile application testing and infrastructure testing engagements
  • Using the opportunities provided by the business to improve skills and capabilities into all areas of testing
  • Working with key clients providing bespoke consultancy, analysis and expertise
  • Collaborating with other Claranet Business Units on large client digital transformation projects
  • Delivering targeted research and development in line with direction of the business
  • If not achieved already, working towards CREST qualifications; CPSA, CRT and CCT
Essential Technical:
  • Have a good understanding of web & mobile application and infrastructure testing and methodologies
  • Able to manually and proficiently exploit web application and network infrastructure vulnerabilities
  • Have a logical and time-conscious approach to report writing
  • Have a working knowledge of common programming languages such as C, C++, C#, Java
  • Have experience of at least one scripting language such as Ruby, Python or Perl
Essential Experience:
  • Delivering chargeable web app testing engagements
  • Providing remediation advice
  • Producing accurate technical reports
  • Working under pressure of deadlines and structuring workload accordingly
  • Problem-solving, helping others to understand complex ideas
Essential General:
  • Client facing, able to confidently and professionally represent the company
  • Must be self-motivated and able to work in an independent manner as well as part of a team
  • Excellent written and oral communications skills
In Addition, The Following Are Highly Desirable:
  • Security clearance (or eligibility for clearance)
  • CTM or CTL status
  • CISSP, CISA, CEH, OSCP or equivalent reputable information security certifications
  • Familiarity with testing cloud environments
  • Public speaking experience
  • Full UK driving license
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Key Details
  • Date Posted: 22 Sep 2026
  • Location: LS1, Leeds, West Yorkshire
  • Employment: Permanent
  • Workplace: Hybrid
  • Domain: IT
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CV-Library
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Enterprise technology firm or security consultancy operating across the UK digital defense ecosystem.

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