Senior Security Consultant (Thick Application Penetration Tester) NetSPI is the proactive security solution used to discover, prioritize, and remediate security vulnerabilities of the highest importance, so businesses can protect what matters most. NetSPI secures the most trusted brands on Earth through Penetration Testing as a Service (PTaaS), External Attack Surface Management (EASM), Cyber Asset Attack Surface Management (CAASM), and Breach and Attack Simulation (BAS). Leveraging a unique combination of dedicated security experts, intelligent process, and advanced technology, NetSPI brings a proactive approach to cybersecurity with more clarity, speed, and scale than ever before. 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 expert 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 Thick Applications, you will be responsible for performing Thick and Web Application Testing, while working closely with clients to deliver clear, actionable reports and contribute to the development of security best practices. Responsibilities : Conduct engagements independently and provide technical oversight on: Thick Application Penetration Testing Includes Web Application Penetration (WaPen) testing. Occasionally includes Mobile (MaPen) and IOT/embedded penetration testing. 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 Research and develop innovative techniques, tools, and methodologies for penetration testing services. Perform administrative tasks related to day-to-day consulting activities to ensure smooth business and engagement operations. Minimum Qualifications : Bachelors degree or higher, with a focus on IT, Computer Science, Engineering or Math or equivalent experience Minimum of 5+ years of work experience in Thick Application Penetration Testing for applications written in managed (e.g. Java, C#, etc.) and unmanaged (e.g. C, C++, Swift, Rust, etc.) code Includes experience with offensive toolkits used in web application penetration testing. Experience with disassemblers and debuggers Examples include WinDbg, IDA, Ghidra, gdb and lldb. Experience with dynamic instrumentation toolkits Examples include Frida. 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 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 Thick Application service line. Experience in one or more of the following programming or scripting languages (e.g., Ruby, Python, Perl, C, C++, Java, and C#) Experience performing fuzz testing. The ability to reverse engineer proprietary application layer protocols. Experience with IOT/embedded penetration testing. 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.
