Security Consultant II (Mobile Application Penetration Tester)

NetSPI LLC; United States; On-site; USD 110,000 - 150,000; Full time

Job summary

NetSPI LLC is seeking a skilled Penetration Tester to conduct mobile app security assessments and deliver clear, actionable reports to clients. You will work closely with clients to strengthen their security posture and contribute to the development of best practices.

Join NetSPI’s mission to protect clients through cutting-edge pentesting techniques, collaborating with senior experts and leveraging industry-leading tools.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, Math, or IT preferred, or equivalent experience.
• 2–3 years of mobile application penetration testing experience.
• Familiarity with offensive security tools (Kali Linux, Burp Suite, Frida, Drozer, Objection, Ghidra).
• Experience developing Frida tools to bypass protections or exploit vulnerabilities.
• Understanding of mobile app data security, communications, and sandboxes.
• Knowledge of Android and iOS operating systems.
• OWASP Top 10 and security frameworks knowledge.
• Windows, Linux and MacOS internals.
• Strong written and verbal communication skills.
• Willingness to travel up to 5–10%.

Responsibilities

• Conduct penetration testing engagements on mobile applications and underlying APIs.
• Identify insecure data storage, communications, or cryptography in mobile apps.
• Create, deliver, and collaborate on penetration testing reports.
• Research and develop innovative techniques and tools for penetration testing.
• Perform administrative tasks to support engagement operations.

Skills

Teamwork

Communication

Independent working

Willingness to travel

Education

Bachelor’s degree in Computer Science or related field

Tools

Kali Linux

Burp Suite

Frida

Drozer

Objection

Ghidra

Job description

NetSPI® pioneered Penetration Testing as a Service (PTaaS) and leads the industry inmodern pentesting. Combining world-class security professionals with AI andautomation, NetSPI delivers clarity, speed, and scale across 50+ pentest types, attacksurface management, and vulnerability prioritization. The NetSPI platform streamlinesworkflows and accelerates remediation, enabling our experts to focus on deep divetesting that uncovers vulnerabilities others miss. Trusted by the top 10 U.S. banks andFortune 500 companies worldwide, NetSPI has been driving security innovation since2001.

NetSPI is on an exciting growth journey as we disrupt and improve the proactivesecurity market. We are looking for individuals with a collaborative, innovative, andcustomer-first mindset to join our team. Learn more about our award-winning workplaceculture and get to know our A-Team atwww.netspi.com/careers.

Join the mission as a Security Consultant II. 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 mobile applications, you will work closely with clients to deliver clear, actionable reports and contribute to the development of security best practices.

Responsibilities

• Conduct penetration testing engagements on mobile applications and underlying APIs
• Identify insecure data storage, communications, or cryptography in mobile applications
• 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
• Perform administrative tasks related to day-to-day consulting activities to ensure smooth business and engagement operations.

Minimum Qualifications

• Bachelor’s degree or higher required, with a concentration in Computer Science, Engineering, Math, or IT preferred, or equivalent experience
• Minimum of 2-3 years of work experience in mobile application penetration testing
• Familiarity with offensive tools, based on applicable skillset (e.g., Kali Linux, Burp Suite, Frida, Drozer, Objection, Ghidra)
• Experience developing Frida tools to bypass application protections or exploit vulnerabilities
• Understanding of mobile application data security, communications, and sandboxes
• Knowledge of Android and iOS operating systems
• Familiarity with offensive and defensive IT concepts and protocols
• Extensive understanding of the OWASP Top 10 and various security frameworks
• Working knowledge of Windows, Linux and MacOS operating systems internals
• 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

• Experience mentoring or coaching to growing team members, while sharing knowledge externally through blogs, hosting webinars, or presenting at conferences
• 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, CISSP, GWAPT)
• Experience in ARM reverse engineering

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.