Senior Mobile Penetration Tester

About the position U.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.

Requirements

• 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 management
• 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.
• Tooling & Automation: Experience developing custom tools and scripts to automate testing workflows. Familiarity with tools such as Nmap, Metasploit, and Kali Linux.
• Threat Modeling & Risk Assessment: Ability to perform threat modeling and risk assessments to prioritize testing efforts and communicate business impact.
• Regulatory & Compliance Awareness: Understanding of compliance frameworks such as PCI-DSS, HIPAA, NIST 800-53, ISO 27001, and FedRAMP.

Nice-to-haves

• Communication & Documentation: Excellent written and verbal communication skills. Experienced in technical writing and clearly articulating findings to both technical and non-technical audiences, including executive leadership.
• Leadership & Mentorship: Proven ability to lead engagements, manage stakeholder expectations, and mentor junior testers.
• Certifications: OSWE, OSEP, OSCP, GWAPT, GPEN, GMOB, OSWA, or equivalent.
• Additional Experience: Source code review, ServiceNow Application Vulnerability Response, and understanding of change control and security architecture.

Benefits

• Healthcare (medical, dental, vision)
• Basic term and optional term life insurance
• Short-term and long-term disability
• Pregnancy disability and parental leave
• 401(k) and employer-funded retirement plan
• Paid vacation (from two to five weeks depending on salary grade and tenure)
• Up to 11 paid holiday opportunities
• Adoption assistance
• Sick and Safe Leave accruals of one hour for every 30 worked, up to 80 hours per calendar year unless otherwise provided by law

Apply tot his job Apply To this Job