Senior Penetration Tester - Remote Security Leader & Mentor

ThreatSpike Ltd.; United Kingdom; Remote; GBP 70,000 - 110,000; Full time

Job summary

ThreatSpike Ltd. is seeking a Senior Penetration Tester to lead web, internal and external assessments, using OWASP and MITRE ATT&CK frameworks. The role emphasizes mentorship, client communication, and hands-on testing across platforms.

Remote-first role across the United Kingdom, United States, Singapore and United Arab Emirates, with optional hybrid work in London. A strong foundation in systems, networks and programming is required, plus the ability to guide junior testers and engage with

Qualifications

• Experience following industry frameworks like OWASP and MITRE ATT&CK.

Responsibilities

• Execute web, internal, and external assessments per OWASP and MITRE ATT&CK.

Skills

Penetration testing

Red Team / adversary emulation

Programming experience

Excellent communication

Tools

Nmap

Burp Suite

XSStrike

SqlMap

GoPhish

Nessus

Nikto

BloodHound

GetUserSPNs.py

Job description

ThreatSpike Ltd. is seeking a Senior Penetration Tester to lead web, internal and external assessments, using OWASP and MITRE ATT&CK frameworks. The role emphasizes mentorship, client communication, and hands-on testing across platforms.

Remote-first role across the United Kingdom, United States, Singapore and United Arab Emirates, with optional hybrid work in London. A strong foundation in systems, networks and programming is required, plus the ability to guide junior testers and engage with