Senior MTS Mobile Security Engineer (Portland)

At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work — every day. We're in this together, sustaining the future of our customers, our company, and our planet.Join a team of passionate thinkers, innovators, and dreamers — and help us connect people and build communities to create economic opportunity for all.We are looking for a highly motivated Senior Mobile Application Security Engineer to join eBay's Application Security team under Global Information Security to tackle the problems of tomorrow while continuing to build and secure the foundation of today.The Application Security team ensures all eBay products are secured via optimized security processes and solutions. We need a hands-on senior Mobile Application Security Engineer with engineering experience to research, craft, and implement capabilities and defenses to secure and protect eBay's critical Mobile Native applications and supporting infrastructure.What you will accomplishPerform Mobile Application Security architecture, design reviews and assessments of eBay Mobile Native product solutions (iOS, Android). Architect, engineer and implement Mobile Native Security solutions for iOS and Android leveraging AI / LLM capabilities as needed.Develop scalable static and dynamic Application security scanning solutions for Mobile Native along with security management tools and processesProvide hands-on engineering support for Native security solutionsOwn processes for continuously fine-tuning Mobile security rules and processes for efficient detection and mitigationReview Mobile native security findings/violations reports and coordinate remediation effortsCollaborate with peer InfoSec teams in security incident investigations, and drive the security charter across organizationsWhat you will bringBSCS degree with 9-12 years of experience or an MS degree with 7+ years of experience8+ years Mobile Security engineering experience in the Application space or 8+ years Software Engineering experience including Mobile Native Security experience covering iOS and AndroidHands-on experience in performing Mobile Native Application Security architecture and design reviews, security scanning including security incidents troubleshootingHands-on development experience in iOS and Android technologies including Swift, Kotlin and usage of AI / LLM related technologies. Good understanding of OWASP top 10 vulnerabilities for Mobile Native, as it relates to secure product development including AI / LLM technologies and their security implicationsMobile Systems design experience and familiarity with Identity authentication & authorization conceptsAdditional familiarity with Mobile Device Management (MDM) and Mobile Application Management (MAM) is a big plus.Experience in containers, container orchestration technologies like Docker, Kubernetes is preferredAbility to clearly articulate issues and communicate with leadership and partner teams in an effective and personable mannerSelf-starter and Effective communicatorAbility to multi-task and thrive in a small team in a fast-paced environmentAdditional DetailsThe base pay range for this position is expected in the range below:$156,800 - $255,300Base pay offered may vary depending on multiple individualized factors, including location, skills, and experience. The total compensation package for this position may also include other elements, including a target bonus and restricted stock units (as applicable) in addition to a full range of medical, financial, and/or other benefits (including 401(k) eligibility and various paid time off benefits, such as PTO and parental leave). Details of participation in these benefit plans will be provided if an employee receives an offer of employment.If hired, employees will be in an “at-will position” and the Company reserves the right to modify base salary (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.eBay is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, veteran status, and disability, or other legally protected status. If you have a need that requires accommodation, please contact us at View email address on apply.placed-app.com. We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBay's commitment to ensuring digital accessibility for people with disabilities. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.We use cookies to enhance your experience and may use AI tools for administrative tasks in the hiring process. To learn how we handle your personal data and use AI responsibly, please visit our Talent Privacy Notice, Privacy Center and AI Hiring Guidelines.Job SummaryJob number: R0073783Date posted : 2026-04-03Profession: IT & Technical OperationsEmployment type: Full time