Penetration Tester CREST

SR2

Posted 12 hours ago, valid for 19 days

Dulverton, Somerset TA22 9HL, England

Full Time

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Sonic Summary

Our client is seeking a Senior Penetration Tester with 4+ years of experience to join their growing security team.
This position offers a true 4-day work week, providing 79 extra days off a year, while focusing on high-quality testing and client relationships.
Key responsibilities include delivering penetration testing, acting as a technical advisor in pre-sales, and mentoring junior testers.
Candidates must hold a CREST Registered Tester certification or equivalent and possess strong communication skills.
The role offers a competitive salary plus bonus, along with a fully remote option and a supportive team culture.

Our client is seeking a Senior Penetration Tester to join their growing security team. This is a unique opportunity to work a genuine 4-day week (no compressed hours)—giving you 79 extra days off a year—while focusing on high-quality, service-led testing and client relationships.This isn’t your typical offensive security role. You’ll be the trusted technical voice in both delivery and pre-sales, working closely with clients and internal sales teams to shape secure outcomes—not just find vulnerabilities.Key Responsibilities

Deliver web, infrastructure, and cloud penetration testing with a business-focused approach.
Act as a technical advisor in pre-sales, helping scope work and educate internal sales teams on testing services.
Build strong client relationships, translating technical findings into clear, actionable recommendations.
Champion security best practices and support remediation discussions.
Mentor junior testers and contribute to continuous service improvement.

Requirements

CREST Registered Tester or equivalent (e.g., OSCP with CREST equivalency).
4+ years’ experience in penetration testing, preferably in a mission led environment.
Strong communication and report writing skills.
Experience working with sales or directly with clients.
Service mindset—more focused on collaboration than confrontation.

Benefits

True 4-day work week – every week. (Fridays off!)
79 days off a year (which includes Holiday and Bank Holidays)
Fully Remote option.
Training & certification budget
Competitive salary + bonus
Supportive, growth-focused team culture

If you think this role would be a good fit, please don't hesitate to reach out, my client is looking to move very quickly on this one, so I'd love to hear from you soon.

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