Principal Penetration Tester

JR United Kingdom; High Wycombe; On-site; GBP 60,000 - 90,000; Full time

Job summary

A prominent cyber security consultancy is in search of a Principal Penetration Tester to lead and execute intricate security assessments. This role is pivotal in driving penetration testing and security advisory services for diverse clients, enhancing their security posture. Ideal candidates possess extensive penetration testing experience and relevant certifications.

Qualifications

• Extensive experience in penetration testing and security consulting.
• Strong knowledge in attack techniques and threat modelling.
• Proven ability to lead high-impact security engagements.

Responsibilities

• Lead advanced penetration testing across networks, applications, and cloud environments.
• Oversee red teaming exercises and deliver adversary simulation insights.
• Mentor junior testers to develop a high-performance security team.

Skills

Penetration testing

Red teaming

Security consulting

Threat modelling

Exploit development

Education

CREST CRT certification

OSCP certification

OSEP certification

CISSP certification

Job description

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Principal Penetration Tester, high wycombe

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Client:

Opus Recruitment Solutions

Location:

high wycombe, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

6

Posted:

16.06.2025

Expiry Date:

31.07.2025

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Job Description:

Our client, a leading cyber security consultancy, is looking for a Principal Penetration Tester to lead and execute complex security assessments and play a key strategic role, driving high-impact penetration testing, red teaming, and security advisory services for clients across various industries.

Main Responsibilities:

• Lead advanced penetration testing engagements across networks, applications, cloud, and mobile environments.
• Oversee red teaming exercises, delivering real-world adversary simulation insights.
• Provide expert security guidance, working with stakeholders to enhance security posture.
• Mentor and develop junior testers, fostering a high-performance security team.
• Stay ahead of emerging threats, exploits, and attack methodologies to improve testing capabilities.

To be considered:

• Extensive experience in penetration testing, red teaming, and security consulting.
• Strong knowledge of attack techniques, threat modelling, and exploit development.
• Certifications such as CREST CRT/CCS, OSCP, OSEP, or CISSP are highly desirable.
• Proven ability to lead and deliver high-impact security engagements.