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Areti Group | B Corp™

Penetration Tester

Remote

United kingdom

Full Time

05-02-2026

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Skills

Leadership Python Java C/C++ C# Penetration Testing Application Testing Research Architecture Security Architecture Programming C++

Job Specifications

Senior Penetration Tester

Remote (with travel to Reading)

Cyber Consulting Partner

£50-65k

Role Overview

We are looking for an experienced Senior Penetration Tester to join our growing Cyber Consulting Partner practice. This role is ideal for someone passionate about offensive security—with hands‑on expertise in penetration testing, vulnerability research, or adversarial simulation—who wants to play a key role in strengthening both client defences and our own internal security posture.

You’ll work alongside talented security professionals to deliver meaningful security outcomes, shape cutting‑edge solutions, and help guide our technical strategy as we continue to expand our cyber capability.

Key Responsibilities

Technical Delivery & Leadership

Lead and execute a variety of penetration testing engagements across applications, networks, platforms, and cloud environments.
Provide guidance, mentorship, and support to team members delivering high‑impact security engagements.
Act as a trusted technical advisor, offering expert insight across:
Network and infrastructure security
Platform and operating system security
Authentication and identity systems
Application security
General security architecture

Analysis & Reporting

Analyse, triage, and clearly communicate vulnerabilities to internal teams, clients, vendors, and other security stakeholders.
Produce high‑quality technical reports and recommendations that translate complex issues into actionable insights.

Innovation & Tooling

Develop, maintain, and enhance tools, scripts, exploits, and methodologies used for adversarial simulation and vulnerability research.
Contribute to continuous improvement across our offensive security capabilities.

Cyber Strategy & Governance

Support the development of cybersecurity strategy, policies, standards, and frameworks for both internal use and client engagements.

About You

Minimum 2 years’ hands‑on experience in penetration testing or vulnerability research.
Strong proficiency in relevant programming languages such as C/C++, C#, Java, or Python.
Skilled in scripting and tool creation, with the ability to build customised exploits or utilities.
Solid understanding of both web application testing and infrastructure‑focused assessments.
Adept at breaking down complex technical concepts for diverse audiences.

About the Company

We're on a mission to change the world of tech recruitment, putting people and the planet before profit. We ensure sustainability drives our business decisions and hold ourselves to an exceptionally high moral standard. Many talk the talk, but few recruiters walk the walk. Our team members are all specialists in their field, so know exactly how the talent landscape lies in their area of expertise, enabling them to offer valuable advice to both client and candidate. With over 30 years combined experience, we remove the str... Know more