We're looking for a Penetration Tester (UK Based)
- Contracting Role
We're looking for a skilled
Penetration Tester
to join our growing team:
* 3+ years of corporate experience
* CREST CRT certified
* Willing to travel to client sites (London / Cambridge area)
* Contracting availability (potential to go full-time)
* Hardworking, reliable, and professional
If you're passionate about cybersecurity and want to make an impact, we'd love to hear from you.
Location:
UK (travel required to client sites)
Role Type:
Contract (with potential full-time opportunity)
As a Pentester at Cyber Defence, you will play a key role in identifying vulnerabilities across networks, applications, and cloud infrastructure. This hands-on technical role supports our clients' resilience and compliance by executing manual and automated penetration tests, producing detailed reports, and working closely with internal teams to implement security improvements.
Key Responsibilities
* Conducting penetration tests across web applications, APIs, and networks
* Performing vulnerability assessments (internal and external)
* Reporting findings with actionable mitigation guidance
* Collaborating with SOC, DevSecOps, and IT teams
* Supporting Red/Purple Team exercises and incident investigations
* Staying current on security trends and threats
Skills and Qualifications
Ideal Candidate Profile:
You bring over 3 years of experience in offensive security, a strong understanding of OWASP Top 10 and MITRE ATT&CK, and are skilled with tools like Burp Suite, Metasploit, and Nmap. Scripting knowledge (Python/Bash/PowerShell) and excellent communication in English are essential.
Certifications such as OSCP or CREST CRT and experience with cloud environments are a plus.
You are a fast learner with a growth mindset, adaptable to new challenges, and proactive in your development. Even when working remotely, you will be an active and engaged team member—contributing to meetings and staying connected via our Slack channels to support collaboration and team spirit.
OUR BENEFITS
Contract role to start with, with potential for full-time status under UK employment.