Pen tester

Venn Group

Position: Penetration Tester • Work Pattern: Hybrid (approx. 2-3 days on-site) Contract Length: 3 months (likely extension) • Day Rate (DOE): £375 - £425 via Umbrella per day • Contract Type: 3-month initial term (extensions expected) • IR35 Status: Inside • Active Clearance: SC

About the Role

Our client are looking for a skilled Pen Tester to join the security function, focusing on identifying and mitigating vulnerabilities across a variety of environments.

You'll be carrying out security assessments, advising on risk, and helping to build a stronger security culture across the business.

Main Duties

• Carry out penetration tests (both automated and manual) on applications, networks, APIs, and mobile systems.
• Detect and exploit weaknesses, providing clear risk-based assessments
• Design and run red team scenarios and adversary simulations
• Collaborate with engineering and infrastructure teams to remediate vulnerabilities
• Write thorough technical and executive-level reports detailing risks, business impact, and remediation options
• Keep pace with new exploits, attack techniques, and security tooling
• Support internal awareness sessions and training around cyber threats
• Feed into the development of security standards, guidance, and processes

Skillset & requirements

• Solid background in penetration testing, ethical hacking, or red teaming engagements
• Strong knowledge of frameworks such as OWASP Top 10, MITRE ATT&CK, and risk-scoring methods like CVSS
• Practical use of tools such as Burp Suite, Nmap, Metasploit, Wireshark, Kali Linux
• Proficiency with scripting languages (e.g., Python, Bash, PowerShell)
• Broad understanding of operating systems, networking, and cloud-based environments
• Professional certifications such as OSCP, GPEN, CEH, CRTP (advantageous)
• Strong analytical mindset, excellent communication skills, and the ability to produce high-quality documentation

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