Penetration Tester — Offensive Security Innovator

Ruptura InfoSecurity Ltd.; United Kingdom; On-site; GBP 55,000 - 85,000; Full time

Benefits offered by this job

25 days annual leave

Competitive pension

Health insurance

Job summary

Ruptura InfoSecurity in the United Kingdom is seeking a Penetration Tester to join our Offensive Security team. You will perform infrastructure, web application, cloud and external testing engagements, producing detailed reports and remediation recommendations for diverse global clients.

The role requires CREST CRT/CPSA or equivalent and offensive security certifications (OSCP/OSWE/OSEP/OSED). You will collaborate with clients to improve security postures and stay ahead of emerging threats.

Qualifications

• CREST CRT, CPSA, or equivalent certifications.
• Offensive Security certifications such as OSCP, OSWE, OSEP or OSED
• Experience delivering penetration testing engagements across infrastructure, web applications, cloud environments or APIs.
• Strong understanding of common vulnerabilities, attack methodologies and remediation approaches.
• Experience producing professional penetration testing reports.
• Excellent technical analysis and problem-solving skills.
• Strong written English and report-writing capability.

Responsibilities

• Deliver infrastructure, web application, cloud and external penetration testing engagements.
• Conduct vulnerability assessments and security reviews against customer environments.
• Simulate real-world attack scenarios to identify security weaknesses and business risk.
• Produce clear, accurate and high-quality technical reports, including detailed findings, supporting evidence and remediation recommendations.
• Work closely with customers to support remediation activities and improve their security posture.
• Contribute to the development and enhancement of offensive security methodologies, tooling and services.
• Stay current with emerging threats, vulnerabilities and penetration testing techniques.
• Support research, tool development and innovation activities within the Offensive Security practice.

Skills

Technical analysis

Problem-solving

Report-writing

Written English

Education

CREST CRT / CPSA or equivalent

OSCP / OSWE / OSEP / OSED

Tools

OSCP

OSWE

OSEP

OSED

Job description

Ruptura InfoSecurity in the United Kingdom is seeking a Penetration Tester to join our Offensive Security team. You will perform infrastructure, web application, cloud and external testing engagements, producing detailed reports and remediation recommendations for diverse global clients.

The role requires CREST CRT/CPSA or equivalent and offensive security certifications (OSCP/OSWE/OSEP/OSED). You will collaborate with clients to improve security postures and stay ahead of emerging threats.