Senior Penetration Tester

5 days ago

London Area, United Kingdom Computacenter Full time

Life on the team

Computacenter is growing our penetration testing capability and we are looking for an experienced penetration tester to support the delivery of vulnerability assessment and penetration testing services to Computacenter and our customers delivered services.

As a highly skilled and motivated Penetration Tester, you will join our dynamic Cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in systems, applications, and networks through a variety of penetration testing methodologies. Your expertise will play a critical role in strengthening our security posture and safeguarding our valuable assets from cyber threats.

We are keen to develop our own people and will look at individuals, you will be involved in so many business projects whilst working with passionate Cyber Security Professionals.

If you are looking for a team that offers development and flexibility look no further and apply today

What you'll do

A highly skilled and motivated Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in our systems, applications, and networks through various penetration testing methodologies. You will play a critical role in strengthening our security posture and protecting our valuable assets from cyber threats. You will:

  • Conduct comprehensive penetration tests: Execute internal and external network penetration tests, web application penetration tests, mobile application penetration tests, API penetration tests, cloud security assessments, and social engineering simulations.
  • Vulnerability identification and analysis: Research, identify, and exploit security vulnerabilities in a variety of systems and applications.
  • Red/Purple/Blue Teaming: participate in exercises with the goal of increasing cyber resilience for both offensive and defensive.
  • Reporting and documentation: Prepare detailed and professional penetration test reports, including executive summaries, technical findings, risk ratings, and actionable recommendations for remediation.
  • Collaboration and communication: Work closely with development, operations, and security teams to communicate findings, explain risks, and provide guidance on remediation strategies.
  • Tooling and methodology enhancement: Continuously research and evaluate new penetration testing tools, techniques, and methodologies to improve testing efficiency and effectiveness.
  • Security awareness: Contribute to the development and delivery of security awareness training for internal staff.
  • Stay current: Keep abreast of the latest security threats, vulnerabilities, exploits, and industry best practices.
  • Threat modelling: Participate in threat modelling exercises to identify potential attack vectors and design flaws.
  • Ad-hoc security testing: Perform ad-hoc security assessments and provide expert advice on security-related matters as needed.

What you'll need

  • OSCP, PNPT or equivalent certification
  • At least three years' experience working full-time as a penetration tester on the following areas as a minimum:
  • Infrastructure
  • Active Directory networks
  • Web Application penetration testing
  • Cloud security (Entra ID/Azure)
  • IoT
  • mobile
  • physical security / social engineering
  • Ability to develop custom tools, or adapt existing tooling for the task at hand
  • Demonstrable experience contributing to open-source tools
  • Bachelor's degree in Cybersecurity, Information Technology, or a related field.

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