Principal Penetration Tester

JR United Kingdom; Watford; On-site; GBP 60,000 - 100,000; Full time

Job summary

A leading cyber security consultancy is seeking a Principal Penetration Tester to spearhead complex security assessments and drive impactful penetration testing initiatives. This role involves mentoring junior staff and staying ahead of emerging threats, ensuring a proactive security stance for clients across various sectors.

Qualifications

• Extensive experience in penetration testing and security consulting.
• Strong knowledge of attack techniques and exploits.
• Ability to lead high-impact security engagements.

Responsibilities

• Lead advanced penetration testing across multiple environments.
• Oversee red teaming exercises for real-world threat simulations.
• Mentor junior testers and enhance the security team's performance.

Skills

Penetration Testing

Red Teaming

Security Consulting

Threat Modelling

Exploit Development

Education

CREST CRT/CCS

OSCP

OSEP

CISSP

Job description

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Principal Penetration Tester, watford, hertfordshire

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Client:

Opus Recruitment Solutions

Location:

watford, hertfordshire, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

9

Posted:

26.06.2025

Expiry Date:

10.08.2025

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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.

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Created on 26/06/2025 by JR United Kingdom