Remote Senior Penetration Tester - Cyber Security Consultancy

Haystack • United Kingdom

Remote

This Job is No Longer Active This position is no longer accepting applications

AI Summary

Seeking a Senior Penetration Tester for a high-growth cyber-sec consultancy focusing on critical infrastructure and digital currencies. Responsibilities include leading infrastructure, web, and mobile penetration tests, advanced cloud assessments, and vulnerability research. Requires 4+ years of experience, mastery of security tools, and eligibility for UK Government Security Clearance.

Key Highlights

Lead and deliver high-quality penetration tests across infrastructure, web applications, and mobile apps.

Conduct advanced cloud security assessments (AWS, Azure, GCP) and research/develop bespoke tooling.

Requires 4+ years of experience, relevant certifications, and UK Government Security Clearance eligibility.

Key Responsibilities

Lead and deliver high-quality infrastructure, web application (including APIs), and mobile app penetration tests.

Conduct advanced cloud security assessments across AWS, Azure, and GCP environments to identify misconfigurations and risks.

Research and develop bespoke tooling and threat libraries to automate discovery and improve testing methodologies.

Translate complex technical vulnerabilities into actionable, business-risk-focused reports for C-suite and technical stakeholders.

Support clients during active incidents and provide expert guidance on remediation and hardening strategies.

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Technical Skills Required

Penetration Testing AWS Azure GCP Burp Suite Metasploit Nessus Nmap Kali Linux Wireless Networks Network Segmentation Breakout Assessments APIs

Benefits & Perks

Highly competitive salary of £70,000 - £80,000

6% contributory pension

Remote-first culture

Generous training budget

Dedicated time for original security research

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Nice to Have

CREST-certified

CRT certification

OSCP certification

CTM certification

CTL certification

Job Description

We're working with a high-growth, CREST-certified cybersecurity consultancy that protects critical national infrastructure and global digital currencies on this exciting opportunity. We are looking for a tenacious Senior Penetration Tester to join an elite team of experts dedicated to breaking new ground in offensive security and cloud assurance.This is a chance to move beyond "box-ticking" audits and engage in deep-dive research, vulnerability discovery, and complex testing across diverse environments including AWS, Azure, and mobile platforms. You’ll leverage professional development budgets and dedicated research time to sharpen your edge and stay ahead of emerging threat vectors.

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