Penetration Tester – Cyber Security
* Contract until December 2025 (extension likely)
* Hybrid working, 50/50 split between home and site in Berkshire
* Active SC clearance required
ABOUT THE CLIENT:
Our client is a leading organisation within the cyber and defence technology sector, delivering secure digital solutions to UK government and critical national infrastructure programmes. They are expanding their cyber capability and are seeking an experienced Penetration Tester to join the team on a long-term contract, supporting a range of high-impact security projects.
THE PENETRATION TESTER ROLE:
As a Penetration Tester, you will perform manual and automated testing across web applications, networks, APIs, and mobile platforms. You’ll identify and document vulnerabilities, support red team operations, and collaborate with development and infrastructure teams to ensure effective remediation and security improvements.
Key responsibilities include:
* Conducting penetration tests and vulnerability assessments across multiple environments
* Performing red team and threat simulation exercises
* Producing detailed reports outlining findings, risks, and mitigation strategies
* Staying current with emerging attack vectors, tools, and exploits
* Contributing to internal security awareness and best practice initiatives
PENETRATION TESTER ESSENTIAL SKILLS:
* Proven experience in penetration testing, ethical hacking, or red teaming
* Strong understanding of OWASP Top 10, MITRE ATT&CK, and CVSS scoring
* Skilled in tools such as Burp Suite, Metasploit, Nmap, Wireshark, Kali Linux
* Familiarity with scripting languages (Python, Bash, PowerShell)
* Knowledge of network protocols, operating systems, and cloud security principles
* Relevant certifications (OSCP, CEH, GPEN, CRTP) highly desirable
* Excellent analytical, communication, and report-writing skills
* Must hold active SC clearance
TO BE CONSIDERED:
Please either apply through this advert or email me directly at kelly.harvey@searchability.com. For further information, please call me on 0203 854 0120. By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only.
KEY SKILLS:
Penetration Tester, Ethical Hacker, Red Team, Cyber Security, OWASP, MITRE ATT&CK, Vulnerability Assessment, OSCP, GPEN, CEH, CRTP, SC Cleared, NSD