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
Ready to apply for this cyber security position?
This opportunity is hosted on CV-Library. Click below to view full details and submit your application.
Key Details
- Date Posted: 22 Sep 2026
- Location: LS1, Leeds, West Yorkshire
- Employment: Permanent
- Workplace: Hybrid
- Domain: IT
Employer Profile
CV
CV-Library
Verified Tech EmployerEnterprise technology firm or security consultancy operating across the UK digital defense ecosystem.
More Jobs at CV-LibraryRelated Cyber Opportunities
Junior Cyber Security Technician
CV-Library
•
Rotherham, South Yorkshire
Cyber Security Specialist
CV-Library
•
Doncaster, South Yorkshire
IAM Service Lead
CV-Library
•
Birmingham, West Midlands