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Penetration tester

Milton (Cambridgeshire)
4Square Recruitment Ltd
Penetration tester
Posted: 16h ago
Offer description

Penetration Tester required for my client based in Leeds / London – visit office 2 x per month.


This is a permanent opportunity.


Salary approx. £50-80k.


Are you a skilled ethical hacker with a passion for uncovering vulnerabilities? My client are a fast-growing cybersecurity reseller / MSP delivering cutting-edge security solutions across multiple sectors.


The Role:

As the Penetration Tester, you’ll simulate cyberattacks on client environments—testing networks, apps, cloud platforms, and more—to expose weaknesses and recommend fixes. You’ll work on red/purple team engagements, social engineering tests, and cloud security assessments, delivering high-impact reports that drive real security improvements.


What You’ll Do:

* Perform infrastructure, web app, wireless, and cloud penetration tests
* Execute red team simulations and assumed breach scenarios
* Craft clear, actionable reports for both technical and executive audiences
* Stay ahead of emerging threats, exploits, and attack techniques
* Collaborate with cyber, managed services, and compliance teams


Skills You’ll Need:

* 2–5+ years in penetration testing (network, web, cloud, etc.)
* Mastery of tools like Burp Suite, Metasploit, Cobalt Strike, Nmap
* Deep knowledge of OWASP Top 10, MITRE ATT&CK, and exploitation techniques
* Strong communication skills (you’ll explain risks to both tech & non-tech stakeholders)
* Certifications like OSCP, eCPPT, CREST CPSA/CRT, or similar


Bonus if you have:

* Red team/purple team experience
* Scripting skills (Python, PowerShell, Bash)
* Cloud pentesting (AWS/Azure/GCP)
* Advanced certs (OSCE, OSWE, CREST CRT, etc.)

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