Senior Penetration Tester

Hack The Box LTD; Scotland; On-site; GBP 40,000 - GBP 60,000; Full time

Job summary

A cybersecurity consulting firm in Scotland is looking for a Penetration Tester with 4-5 years of experience. The role involves conducting penetration tests independently and managing client engagements. Candidates should have experience with security tools, a passion for IT security, and relevant certifications. The company promotes a collaborative culture that empowers employees while ensuring safety through background checks. Additional benefits include a pension and personal development budget.

Benefits

Pension

Employee Social Events

Personal Development Budget

Qualifications

• Experience with all operating systems.
• Willingness to travel for on-site consulting and audits.
• Enthusiasm for new technical challenges.

Responsibilities

• Conception, implementation and documentation/reporting of penetration tests.
• Consulting with clients and working as a team on various engagements.
• Support of other employees in penetration tests.

Skills

Time management

Experience with security tools (e.g., Burp, Nessus)

Knowledge of open security audit standards (OWASP, ATT@CK)

Passion for IT and IT security

Experience with scripting languages

Experience with vulnerabilities in web applications and API interfaces

Education

Certifications such as OSCP, CSTM, CSTL, CREST-CRT

Job description

Closed Door Security is a company founded in Scotland specialising in cyber security & IT consulting with a global presence across multiple continents. With a team of experienced professionals, the company offers a comprehensive range of services to help businesses and organisations safeguard their digital assets, protect their sensitive information, and maintain regulatory compliance.

The Role

Ideally, the candidate will have 4-5 years previous experience with penetration testing, good fundamental knowledge of networking and web applications, good time management, and an understanding of how to be business effective in providing solutions to clients. The candidate having CHECK Team Member (CTM), or a CHECK Team Leader (CTL) will be a distinct positive but CHECK work is not required.

Our culture aim is to allow you to work independently while still providing the structure and support you need to get the job done and progress. We do not like to micro-manage and you will be expected to hit the ground running.

Important:

UK Applications ONLY

We take the safety and security of our employees and clients very seriously, and therefore require all potential candidates to successfully pass a comprehensive background check. Candidates must be able to provide all required information and consent to the background check process as a condition of employment.

Requirements

Ability to manage your own time

Experience with all operating systems

Experience with security tools (E.G Burp, Nessus)

Willingness to travel for on-site consulting and audits

Knowledge of open security audit standards and projects, including OWASP and ATT(at)CK

Passion for IT and IT security

Enthusiasm for new technical challenges

Experience with scripting languages

Experience with vulnerabilities in web applications and API interfaces

Certs such as OSCP, CSTM, CSTL, CREST-CRT, etc.

Duties

Independent conception, implementation and documentation/reporting of penetration tests.

Consulting with clients and working as a team on a range as engagements

Support of other employees in penetration tests

What we offer

Pension

Employee Social Events

Personal Development Budget

Security clearance

UK Security Clearance/ Developed Vetting is advantageous

Date posted

Aug 4, 2025

Company Profile

Website

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