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Principal Penetration Tester

  • Location:

    City of London

  • Sector:

    Cyber Security

  • Job type:


  • Salary:


  • Contact:

    Octavian Donnelly

  • Contact email:

  • Contact phone:

    020 3778 0874

  • Job ref:


  • Published:

    17 days ago

  • Expiry date:


Our Client

Our client is a challenger cyber security firm with a global footprint that offers managed security and consultancy services to its customers. For more than 15 years, the firm as been building long-standing relationships with their clients, continuously defending their people, property and data against cyber security threats.

With a close-knit team of 70 people, our client is about to grow tremendously, thanks to solid funding, ambitious goals and an impressive track record. They are now looking to build out the Professional Services department, for which they will need talented individuals who think ahead of the curve, have an entrepreneurial spirit and are not afraid to speak their mind.


The company is now looking for a Principal Penetration Tester to lead the new advisory function. You will be part of a passionate team and will work on building out the function with the Head of Penetration Testing.

The ideal candidate will have the following skills and qualifications:

  • CREST Registered Tester - Applications [CREST CCT-A]: REQUIRED

  • Strong exposure to different testing environments

  • Team leadership experience highly desirable

  • Demonstrable experience testing in different environments

  • Networking testing skills

  • Web application testing skills

  • Red Teaming Experience

  • CCP, CISSP, OSCP or CEH desirable

  • In-depth knowledge of security tools, techniques and methodology frameworks

  • CHECK Team Leader and CHECK Team Member

  • Ability to present findings of a test in a clear and articulate way

  • SC Cleared or eligible for SC clearance

About Rutherford

Rutherford is a boutique search firm that specialises in legal, compliance, financial crime and cyber security roles within financial and professional services, with London and New York being the main focus. We use our carefully curated relationships, networks and market knowledge to find the best fit for the clients in hand. We work with a wide range of clients, spanning from advisors, corporate and commercial banks, brokers, exchanges, MTFs and financial tech, through to global investment managers, hedge funds, private equity firms and investment bank

Our Commitment to Equality

Rutherford recognises that discrimination and victimisation is unacceptable and that it is in the interests of the Company and its employees to utilise the skills of the total workforce. It is the aim of the Company to ensure that no job applicant receives less favourable facilities or treatment (either directly or indirectly) in recruitment or employment on grounds of age, disability, gender/gender reassignment, marriage/civil partnership, pregnancy/maternity, race, religion or belief, sex, or sexual orientation (the protected characteristics). Our aim is that candidates will be truly representative of all sections of society and each candidate feels respected and able to give of their best. All candidates, whether part-time, full-time or temporary, will be treated fairly and with respect. Selection of candidates will be based on aptitude and ability.

Remote working

We are currently looking for regionally-located Cyber Security professionals (Cyber Risk, IDAM, GDPR, Digital Trust, Solutions Architects, Pentesters) from across the United Kingdom who would be interested in working for London firms on an interim WFH basis.