Lead Penetration Tester

Bristol, Bristol
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We are working with a global Software, Systems & Engineering company in the Defence Sector, supporting them with appointing a Lead Penetration Tester who will be working as part of a testing team undertaking CHECK and non-CHECK security testing works for customers. Day-to-day, you’ll undertake a variety of work as part of a testing team acting in a leadership capacity as an infrastructure CHECK team leader.   
Salary: £75k- £85k per annum + benefits
Location: Malvern or Bristol- hybrid (4 days per week onsite; 1-day WFH)
Working hours: 37 per week
Duration: 12 months
Requirements:  sole Uk nationals eligible for SC (dual nationals cannot apply)
  
Your responsibilities will include:

Undertaking CHECK and non-CHECK security testing
Travelling to client sites to carry out security testing engagements
Performing research and development of new attack techniques that support and enhance the Company’s security testing capability
Developing junior colleagues and operating with integrity and collaboration within the team
Proposing mitigations for identified vulnerabilities and writing reports of security testing engagements for customers including signing off reports
Scoping, estimating and bidding customer engagements as required and directed   
Essential experience:

The ability to be able to document, create and sign off test reports
A Strong understanding of Active Directory, infrastructure, cloud security and common operating systems
Previous experience delivering security testing services as a qualified (CREST or Cyber Scheme) tester
NCSC CHECK Team Leader status in infrastructure (CCT-INF or CSTL-INF)
A strong understanding of relevant laws and legal frameworks for security testing   
Essential qualifications:

CCT-INF or CSTL-INF   
Benefits

Matched contribution pension scheme, with life assurance
Generous holiday allowance, with the option to purchase additional days
Options to join Health Cash Plan, Private Medical Insurance and Dental Insurance
Employee discount portal: Personal Accident Insurance, Travel Insurance, Restaurants, Cinema Tickets and much more
We are proud to support the Armed Forces community by honouring the Armed Forces Covenant and maintaining our Gold Award standard in the Defence Employer Recognition Scheme
Volunteering Opportunities - helping charities and local community

Job Info
CV-Library logo
Job Title:
Lead Penetration Tester
Company:
CV-Library
Location:
Bristol, Bristol
Salary:
£75000 - £85000 Per annum up to £85k
Posted:
Dec 16th 2025
Closes:
Jan 16th 2026
Sector:
IT
Contract:
Contract
Hours:
Full Time
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