Pen Tester

Salary: £45,000 - 60,000 per year

Requirements:

• 3-5 years of hands-on penetration testing experience
• Strong understanding of OWASP and vulnerability testing standards
• Proficiency with tools such as Kali, Burp Suite, Nmap, Nessus, and Metasploit
• Knowledge of cloud platform testing including AWS, Azure, and GCP
• Strong reporting and client communication skills
• Relevant qualifications such as CREST CRT, OSCP, OSCE, or CCT
• Familiarity with CI/CD environments and containerisation
• Programming and scripting knowledge
• Red Team or bug bounty experience
• Experience with CobaltStrike, IoT, or hardware security
• Organised, proactive, and analytical mindset
• Strong communicator with a collaborative approach
• Ability to manage time effectively across multiple assignments
• Detail-oriented with a commitment to high-quality documentation

Responsibilities:

• Deliver penetration testing across web, cloud, mobile, and infrastructure
• Conduct black box, grey box, and white box testing
• Produce detailed reports and deliver findings to clients
• Advise clients on remediation strategies and provide post-test support
• Support team knowledge sharing and mentor junior consultants
• Participate in Red Team activities and social engineering assessments
• Contribute to evolving internal processes and methodologies

Technologies:

• AWS
• Azure
• CI/CD
• Cloud
• GCP
• Hardware
• IoT
• Support
• Mobile
• OWASP
• Security
• Web

More:

We are a dynamic and growing cybersecurity organisation recruiting for a Security Testing Consultant (Pen Tester) to join our expert team in London SE1. This is a full-time, permanent role with a salary of £45,000 to £60,000 depending on relevant experience. The role is office-based during probation and then hybrid, with 3 days in the office and 2 days working from home. This is a varied, high-impact opportunity to work collaboratively across multiple platforms and help us deliver the highest standards of cybersecurity.

last updated 32 week of 2026