Senior Penetration Tester

Arcus Search

Join Arcus Search as a Senior Penetration Tester, where you'll identify vulnerabilities and strengthen security systems in a hands-on role.

Last checked on June 12, 2026. We may earn a commission when you click through.

The Senior Penetration Tester role offers make a significant impact on security systems in an engaging environment.

✓ Engaging and challenging work ✓ Direct impact on security improvements ✓ Collaborative team environment

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Senior Penetration Tester

Arcus Search

Updated 2 months ago

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London

The Senior Penetration Tester role offers make a significant impact on security systems in an engaging environment.

About this role

Join Arcus Search as a Senior Penetration Tester, where you'll identify vulnerabilities and strengthen security systems in a hands-on role.

About the Company

Arcus Search is a technology recruitment firm focused on connecting top talent with leading organisations in the security sector.

Key Highlights

✓ Hands-on role in offensive security efforts
✓ Identify and exploit weaknesses in systems
✓ Contribute to building resilient security measures
✓ Work in a collaborative environment
✓ Opportunity to think creatively like an attacker

💡 Honest Take: This position is ideal for those with a strong background in security and an appetite for tackling complex challenges.

Pros

✓ Engaging and challenging work
✓ Direct impact on security improvements
✓ Collaborative team environment
✓ Opportunities for professional growth
✓ Hands-on experience with cutting-edge technology

Cons

✗ Requires extensive experience in security
✗ Potentially high-pressure environment
✗ Not suitable for entry-level candidates
✗ Limited remote work options
✗ May involve long hours during assessment phases

Best For: Ideal for individuals passionate about cybersecurity and who enjoy problem-solving and creative thinking.

Watch Out: Candidates should be prepared for a demanding role that requires a deep understanding of security protocols.

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What Customers Say

Workers praise the dynamic work environment and the opportunity for professional development, though some mention the high-pressure nature of the role.

Expert Review

This role as a Senior Penetration Tester at Arcus Search positions you on the frontline of cybersecurity. Your responsibilities will include uncovering vulnerabilities but also devising strategies to mitigate them effectively. The hands-on nature of this position ensures that you’ll be actively involved in the ongoing security efforts of the organisation.

With the increasing sophistication of cyber threats, your role will be crucial in maintaining the integrity of systems. Expect to think like an attacker, as creativity and analytical skills will be your best tools for success. Arcus Search values innovative thinkers who can navigate complex security challenges.

One notable aspect of this role is the collaborative environment that encourages knowledge sharing and teamwork. While the position is challenging, the potential for professional growth is significant. You will be working alongside experts in the field, which can enhance your skills and career trajectory.

However, it’s important to note that this role is not suited for inexperienced candidates. A strong background in penetration testing and security principles is essential. If you're looking for a position that combines creativity with technical expertise, this could be a perfect fit for you.

For more details, visit Arcus Search’s page at https://uk.talent.com.