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NetSPI • United Kingdom
Salary: 500 compa
Role & seniority
Stack/tools
Web Apps, APIs; AI/ML components (text, voice, image, video, multi-modal)
Offensive toolkits: Kali Linux, Burp Suite, Metasploit, Nessus
Operating systems: Windows, Linux, macOS
Frameworks/standards: OWASP Top 10, MITRE ATT&CK; secure AI/ML concepts; model interpretability tools
Languages: Python, Ruby, Java, C/C++, Perl (proficiency varies)
Reporting: client-specific processes and access protocols
Top 3 responsibilities
Conduct independent engagements on Web Apps and APIs (incl. AI/ML features), providing technical oversight
Deliver comprehensive penetration test findings and collaborate on remediation using model hardening and threat mitigation
Research, develop and apply new techniques/tools; contribute to testing strategies for key client accounts; produce client-ready reports
Must-have skills
Bachelor’s degree or higher in IT/CS/Engineering/Math or equivalent
2–4 years in Penetration Testing
Familiarity with attack techniques against text/voice/image/video/multimodal models
Proficiency with offensive toolkits for network, application, and AI/ML testing
Understanding of Adversarial ML; familiarity with offensive/defensive IT concepts; OWASP Top 10 and MITRE ATT&CK
Experience with Kali Linux, Burp Suite, Metasploit, Nessus
Strong written/verbal communication; ability to work independently and in a team; mentoring capability is a plus
Nice-
NetSPI® pioneered Penetration Testing as a Service (PTaaS) and leads the industry in modern pentesting. Combining world-class security professionals with AI and automation, NetSPI delivers clarity, speed, and scale across 50+ pentest types, attack surface management, and vulnerability prioritization. The NetSPI platform streamlines workflows and accelerates remediation, enabling our experts to focus on deep dive testing that uncovers vulnerabilities others miss. Trusted by the top 10 U.S. banks and Fortune 500 companies worldwide, NetSPI has been driving security innovation since 2001. NetSPI is on an exciting growth journey as we disrupt and improve the proactive security market. We are looking for individuals with a collaborative, innovative, and customer-first mindset to join our team. Learn more about our award-winning workplace culture and get to know our A-Team at www.netspi.com/careers. Join the mission as a Security Consultant II. We’re seeking a technically skilled and analytical Web Application and AI/ML Penetration Tester to strengthen our cybersecurity defenses through advanced, cutting-edge testing of AI and machine learning systems. As a Penetration Tester supporting AI/ML, you will work closely with clients to deliver clear, actionable reports and contribute to the development of security best practices.
Experience in one or more of the following programming or scripting languages: Ruby, Python, Perl, C, C++, Java, and C# Offensive Security Certifications (e.g., GXPN, GPEN, OSCP, GWAPT) We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status or any other characteristic protected by law.