Ethical Hacker (senior)

The role

As a senior ethical hacker at Tradecraft, you’ll spend your time conducting and supervising security research and testing. You’ll look for and exploit vulnerabilities in our clients’ software and networks, reporting on your findings and advising on mitigation. You’ll be expected to be able to find complex and novel vulnerabilities, in both our clients’ software and their processes. You’ll be a senior member of the team, responsible for coaching junior staff, supervising our work and ensuring that testing objectives are achieved.

You’ll spend most of your time working with clients, carrying out attacks, giving mitigation advice and helping their teams learn, as well as coaching and mentoring our test teams, helping them to improve. The rest of your time will be spent on independent security research, working to improve Tradecraft’s tools, processes and approach, and on your professional development.

Skills, personal qualities and experience

You will be:

  • A certified Tiger or CREST team leader/senior, with at least 5 years’ of commercial experience (Tiger Senior/CTL or CREST Certified Web Application Tester)
  • Able to demonstrate a thorough and deep understanding of web application or network security principles
  • Able to find, exploit and clearly explain vulnerabilities in bespoke applications, including where they are novel or complex, or where multiple vulnerabilities must be exploited in sequence to achieve a testing goal
  • Able to consult with clients to provide guidance to improve their systems and encourage consideration of security infrastructure and further development
  • Able to coach and mentor less experienced team members in an open, collegiate and trusting environment

As well as:

  • A lateral thinker, able to approach a problem from a variety of perspectives
  • Tenacious, patient and able to persevere in the face of challenging problems
  • Familiar with and able to read code in a variety of programming languages
  • Familiar with basic internet protocols, tools and technologies

Salary: £80,000-110,000 dependent on experience

Apply online with your cv and a short cover letter on why you’re interested in the role.

Appointment is subject to a successful background check. Applicants must be willing to undergo government clearance to SC if they are successful.

Key Facts

  • Salary
    £80,000-£110,000 + benefits
  • Contract Type
  • Location
    London, UK


  • 25 days' holiday plus bank holidays
  • Pension with up to 5% contribution matching
  • 12 weeks' paid maternity, 3 weeks' paid paternity & shared parental leave option
  • Eye Care Scheme
  • Cycle to work scheme
  • Interest-free season ticket loans