Principal, Cybersecurity Penetration Tester

Company: Fidelity Investments
Location: Merrimack
Posted on: July 6, 2025

Job Description:

Job Description: The mission of the penetration testing team is to protect Fidelity's assets and our customers’ livelihoods from the threat of exploitation by malicious adversaries. The penetration testing team does this by proactively identifying vulnerabilities in our systems and serving as subject matter experts to enable the business units to mitigate them in a positive, collaborative, innovative manner. Lead testing efforts on Fidelity's web and mobile applications and supporting systems. Replicate the actual techniques and tools used by malicious attackers in an effort to model potential external threats. Upon completion of the assessment, you will prepare reports and present the results to application owners, developers, and business unit information security teams. Analyze test results, draw conclusions from results, and develop targeted exploit examples. Consult with operations and software development teams to ensure potential weaknesses are addressed. Contribute to the research or development of tools to assist in the vulnerability discovery process. Collaborate with other teams within Enterprise Cybersecurity to improve the overall security of Fidelity's applications and infrastructure. Stay current on security best practices and vulnerabilities. The Expertise You Have and The Skills You Bring Bachelors degree or equivalent experience 5 years of IT experience Preferred 3 years of hands-on web application penetration testing / ethical hacking experience Preferred: OSCP, GWAPT, GXPN, GPEN, LPT, CEH, CISSP or other industry security certifications. Ability to demonstrate manual testing experience including all of OWASP Top 10 Intermediate knowledge of application security mechanisms such as authentication and authorization techniques, data validation, and the proper use of encryption Technical knowledge of, and the ability to recognize, various types of application security vulnerabilities. Demonstrated experience with common penetration testing and vulnerability assessment tools such as nmap, Wireshark, Nessus, NeXpose, BackTrack, Metasploit, AppScan, WebInspect, Burp Suite Professional, Acunetix, Arachni, w3af, NTOSpider Intermediate knowledge of a programming or scripting language such a C, C#, Python, Objective C, Java, Javascript, SQL, Intermediate knowledge of Web Services technologies such as XML, JSON, SOAP, REST, and AJAX Intermediate knowledge of web frameworks, including XML, SOAP, J2EE, JSON and Ajax Experience with Enterprise Java or .NET web application frameworks, including Struts and Spring Proven analytical and problem-solving skills, as well as the desire to assist others in solving issues Excellent interpersonal skills with a strong interest in the application security domain Excellent communication and presentation skills and a proven ability to communicate threats and facilitate progress towards long-term remediation. Highly motivated with the willingness to take ownership / responsibility for their work and the ability to work alone or as part of a team. The Team The Penetration Testing team forms part of Security Assessment group within Enterprise Cybersecurity (ECS). The goal of the Security Assessment group is to proactively identify and remediate vulnerabilities in Fidelity’s applications and infrastructure. We work very closely with all of the key Business Units to ensure that they remain secure while they deliver key projects to advance the firm. Certifications: Category: Information Technology Fidelity’s hybrid working model blends the best of both onsite and offsite work experiences. Working onsite is important for our business strategy and our culture. We also value the benefits that working offsite offers associates. Most hybrid roles require associates to work onsite every other week (all business days, M-F) in a Fidelity office. Please be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.

Keywords: Fidelity Investments, New England , Principal, Cybersecurity Penetration Tester, IT / Software / Systems , Merrimack, Northeast