Senior Mobile Security Engineer

Employment Type:
IT Jobs
Job Role:
Security Engineering Jobs
New York
United States of America
Mobile Jobs
Job Ref:

Job Description
Square’s Information Security culture is focused on enabling our engineering teams build and ship products. We work to achieve this by designing, building, and deploying state of the art security features alongside our product teams.

Mobile Security Engineers specialize in the security concerns surrounding Square's applications that run on consumer mobile platforms, as well as for the kernel and above in our custom Android distribution. You will work on systems-level remote attestation software that ensures that our low-level software is stable and reliable enough to run safely on many millions of business-critical devices and that our detection methods scale.

You will:

Design, implement, deploy, and maintain security protections for a diverse portfolio of mobile payment products
Maintain knowledge of state of the art attacks against consumer mobile platforms, including using reverse engineering to understand and mitigate new techniques
Analyze device telemetry data to detect attacks and identify anomalies
Devise innovative solutions to security problems that are typically considered unsolvable in the payments industry - because solving them empowers our customers to participate in the economy
Must have:

Strong understanding of low-level exploitation and mitigation techniques
Comfort with reverse engineering on ARM or x86 platforms
Ability to communicate clearly and concisely about deeply technical topics
Professional software development experience in C, as well as ruby or python
Even Better:

Demonstrated experience attacking or defending iOS/macOS or Android platforms
Significant experience developing security products from concept through deployment, including automated validation of both functional and security requirements
Previously discovered critical vulnerabilities in consumer mobile devices, applications, or operating systems
Track record of defensive projects or improvements to existing systems in the mobile or embedded space
Additional Information
At Square, we value diversity and always treat all employees and job applicants based on merit, qualifications, competence, and talent. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance.

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