Penetration Tester

Sapphire Technologies Ltd.; United Kingdom; On-site; GBP 40,000 - GBP 70,000; Full time

Job summary

A leading cybersecurity firm in the United Kingdom is seeking a Penetration Tester to join their top-tier cyber team. In this offensive security role, you will conduct penetration testing and red teaming across on-premise, cloud, and hybrid environments. The ideal candidate should demonstrate strong offensive security skills and knowledge of Active Directory and cloud platforms. This role offers the opportunity to make a real impact on client security in a supportive team atmosphere.

Qualifications

• Proven offensive security skills required.
• Strong knowledge of Active Directory and cloud platforms.
• Curiosity and willingness to learn beyond your comfort zone.

Responsibilities

• Conduct penetration testing and red teaming across various platforms.
• Collaborate with remediation teams to resolve security issues.
• Help shape tools and testing methodologies.

Skills

Offensive security skills

Knowledge of Active Directory (AD)

Cloud platforms expertise

Education

CSTM or CRT certification

Job description

Ready to break things (ethically) and make the digital world safer? We're on the hunt for a Penetration Tester to join our top-tier cyber team! 💻💥 This is an offensive security role that will challenge your day to day thinking...

What you’ll do

• 🔍 Penetration testing & red teaming across on-prem, cloud & hybrid
• ☁️ Hack into AD, Entra ID (Azure AD), AWS, GCP, and more
• 🛠️ Work with remediation teams to fix real-world issues
• 📈 Help shape our tools & testing methods
• 🤝 Collaborate, share, and grow with a supportive team

What we’re looking for

• 🎯 Proven offensive security skills
• 🌐 Strong knowledge of AD & cloud platforms
• 🧠 Curiosity and willingness to learn beyond your comfort zone
• 🎓 Ideally working towards, or already hold CSTM or CRT

Why Sapphireh3>

• ✅ Real impact on client security

Apply now and make cyber safer with us!

Sapphire is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.