Senior Security Consultant (Web Application Penetration Tester)
United Kingdom
Posted 4 days ago
Early applicant
On-site
Full-time
Senior Level
NetSPI® is an award-winning pioneer of Penetration Testing as a Service (PTaaS) with its AI-powered platform supported by more than 350 in-house cybersecurity experts. Specializing in 50+ pentest types, attack surface visibility, vulnerability prioritization, and attack simulation, NetSPI delivers security testing with unprecedented clarity, speed, and scale. 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 Senior Security Consultant. We are seeking a skilled and detail-oriented Penetration Tester to conduct thorough security assessments, identify vulnerabilities, and provide expert recommendations to strengthen our clients' security posture. As a Penetration Tester supporting web applications, you will work closely with clients to deliver clear, actionable reports and contribute to the development of security best practices. Responsibilities: Conduct engagements on web applications and underlying APIs independently and provide technical oversight Review reports for accuracy in technical oversight, perform weekly QA oversight, and provide mentoring support to others Create, deliver, and collaborate on penetration testing reports in diverse client environments, maintaining client-specific processes, reporting standards, and access protocols to help improve their security posture Research and develop innovative techniques, tools, and methodologies for penetration testing services, alongside commitment to improvement and execution on NetSPI specific products and processes Participate in development, implementation, and oversight of testing, delivery, and management strategies for key client accounts Perform administrative tasks related to day-to-day consulting activities to ensure smooth business and engagement operations. Minimum Qualifications: Bachelor’s degree or higher, with a focus on IT, Computer Science, Engineering or Math or equivalent experience Minimum of 3-5 years of work experience in Penetration Testing Familiarity with offensive tools, based on applicable skillset (e.g., Kali Linux, Burp Suite, Metasploit, Nessus) Familiarity with offensive and defensive IT concepts and protocols Extensive understanding of the OWASP Top 10, MITRE ATT&CK framework, and various security frameworks. Working knowledge of Windows, Linux and MacOS operating systems internals Experience mentoring or coaching to growing team members, while sharing knowledge externally through blogs, hosting webinars, or presenting at conferences Ability to work independently and as part of a team Proficient communication skills, both written and verbal Willingness to travel up to 5-10% This position requires an 8-hour workday, with occasional evenings or weekends necessary to meet project deadlines or critical needs Preferred Qualifications: Ability to provide technical and QA oversight on web applications and underlying APIs. Experience in one or more of the following programming or scripting languages (e.g., Ruby, Python, Perl, C, C++, Java, and C#) Offensive cybersecurity 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. Equal Opportunity Employer
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Skills
Penetration Testing
Web Applications
APIs
Kali Linux
Burp Suite
Metasploit
Nessus
OWASP Top 10
MITRE ATT&CK
Windows
Linux
MacOS
Mentoring
Communication
Technical Oversight
Scripting Languages
Location
United Kingdom