Senior Mobile Penetration Tester

Job Description

At U. S. Bank, we’re on a journey to do our best.

Helping the customers and businesses we serve to make better and smarter financial decisions and enabling the communities we support to grow and succeed. We believe it takes all of us to bring our shared ambition to life, and each person is unique in their potential. A career with U. S.

Bank gives you a wide, ever-growing range of opportunities to discover what makes you thrive at every stage of your career. Try new things, learn new skills and discover what you excel at—all from Day One.

Job DescriptionU. S. Bank is seeking a Senior Penetration Tester (Mobile/Web/Cloud) with demonstrated competence and experience to contribute toward the success of our information security program.

As a Senior Penetration Tester, you will be responsible for assessing the security of our web/mobile applications and platforms by identifying vulnerabilities, performing exploitations, and recommending mitigation strategies to enhance their resilience against cyber threats. This role requires a deep understanding of web/mobile application security principles, hardware/software, advanced penetration testing techniques, and the ability to work collaboratively with cross-functional teams. Responsibilities· Lead dynamic penetration testing against hardened mobile, web/API applications to uncover vulnerabilities and leverage manual exploitation techniques, demonstrating business impact.

· Deliver clear, actionable reports that include detailed findings, vulnerability scoring, and remediation guidance tailored to technical and non-technical teams. · Continuously evolve testing methodologies by researching emerging threats, tools, and techniques, applying them to improve assessment strategies and team capabilities.

· Maintain a balance between hands-on testing and supporting broader team initiatives, including process optimization, tool/script development, and knowledge sharing. Basic Qualifications· Bachelor’s degree in Engineering or Science, or equivalent work experience· Eight or more years of experience in information security· Two or more years of experience in IT infrastructure management, application architecture, risk management, data architecture, middleware technology, IT operations and project managementRequired Skills/Experience· Mobile Application Security: Familiarity with Android and iOS testing methodologies and platform-specific risks, including OWASP MASVS and MASTG. · Technical Proficiency: Strong scripting skills (Python, PowerShell, Bash, Ruby, Go).

Solid grasp of HTTP/S, authentication protocols (OAuth, SAML, JWT), and network fundamentals (TCP/IP, DNS, firewalls, IDS/IPS). · Web & API Penetration Testing: 5+ years of hands-on experience with modern web applications and APIs. Deep understanding of OWASP Top 10, API Security Top 10, and SANS Top 25 vulnerabilities.

· Cloud & Platform Fluency: Comfortable testing in cloud environments (AWS, Azure, containers/Kubernetes). Experienced across Linux, Windows, and macOS platforms. Familiarity with cloud-native security and assessment tools (e.

g. , AWS Inspector, Azure Defender, ScoutSuite,) and common misconfiguration exploitation techniques. · Manual Testing & Exploitation: Advanced proficiency in identifying and exploiting vulnerabilities in web apps and APIs using tools like Burp Suite Pro, Postman/Insomnia, and custom scripts; skilled in uncovering business logic flaws, access control issues, and chaining exploits to demonstrate real-world impact.

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