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Areti Group | B Corp™ • United Kingdom
Role & seniority
Stack/tools
Languages: C/C++, C#, Java, Python
Scripting and tool development for exploits/utilities
Web application testing and infrastructure-focused assessments
Offensive security methodologies, vulnerability research, adversarial simulation
Top 3 responsibilities
Lead and execute penetration testing engagements across applications, networks, platforms, and cloud
Mentor teammates; act as trusted technical advisor on network, platform, authentication, and application security
Analyse, triage, and communicate vulnerabilities; produce technical reports and actionable recommendations
Develop and maintain tooling and methodologies; contribute to security strategy and governance
Must-have skills
Minimum 2 years hands-on penetration testing or vulnerability research
Proficiency in C/C++, C#, Java, or Python; strong scripting and tool-building ability
Solid understanding of both web app testing and infrastructure security
Ability to simplify complex concepts for diverse audiences
Nice-to-haves
Experience in adversarial simulation and vulnerability research
Mentoring/leadership in security engagements
Experience shaping security strategy, policies, or standards
Location & work type
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.
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.
Seniority level Not Applicable Employment type Full-time Job function Information Technology Industries Information Services