Penetration Tester

4Square Recruitment Ltd; United Kingdom; Hybrid; GBP 50,000 - 80,000; Full time

Job summary

A leading cybersecurity solutions company is looking for a skilled Penetration Tester to join their team in the UK. You will engage in simulating cyberattacks, delivering actionable insights to enhance client security, and collaborating with various teams to bolster defenses. This role offers a competitive salary and the chance to work with innovative security solutions. Ideal candidates will possess strong penetration testing skills and relevant certifications.

Qualifications

• 2–5+ years in penetration testing (network, web, cloud, etc.) required.
• Mastery of essential cybersecurity tools necessary.
• Strong communication skills for explaining risks to various stakeholders.

Responsibilities

• Perform penetration tests on various environments including networks and cloud.
• Craft actionable reports for both technical and executive audiences.
• Collaborate with teams on security improvements and assessments.

Skills

Penetration Testing

Cybersecurity

Communication Skills

Red Team

Cloud Security

Vulnerability Assessment

Education

OSCP Certification

eCPPT Certification

CREST CPSA/CRT Certification

Tools

Burp Suite

Metasploit

Cobalt Strike

Nmap

Job description

4Square Recruitment Ltd provided pay range

This range is provided by 4Square Recruitment Ltd. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

Direct message the job poster from 4Square Recruitment Ltd

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
• Advanced certs (OSCE, OSWE, CREST CRT, etc.)

Seniority level

• Seniority level

  Not Applicable

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  IT Services and IT Consulting

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