Senior Mobile Security Engineer (Android)

Location: Mexico City, CDMX; hybrid workplace. The role requires 10–25% travel across several markets.

Company

hirify.global develops device-financing products supported by Android device-locking technology.

What you will do

• Lead, mentor, and develop three Lock Product Analysts based in Brazil, South Africa, and the Philippines.
• Design and execute testing of the device-locking mechanism across Android devices and OS versions after OTA and lock-technology updates.
• Research and evaluate factory-reset exploits, bootloader vulnerabilities, ADB exploits, custom ROM flashing, FRP bypass tools, and other attack vectors.
• Own test strategies, test cases, test scenarios, documentation, and reproducible vulnerability reports in Jira.
• Lead vulnerabilities from discovery and root-cause analysis through mitigation proposals and fix verification.
• Maintain the security lab, tooling, and device-coverage strategy as Android threats evolve.

Requirements

• Bachelor’s degree in Computer Science, Cybersecurity, or a related field, or equivalent practical experience.
• 4+ years of QA or security testing experience, including 2+ years of Android mobile testing.
• Experience managing or leading a small team while contributing individually.
• Hands-on knowledge of Android architecture, including bootloaders, recovery mode, ADB, fastboot, system partitions, and security features.
• Experience with rooting techniques, custom ROMs, Magisk, Xposed, Android Studio, Logcat, Wireshark, or tcpdump.
• Strong analytical, problem-solving, communication, documentation, and decision-making skills.

Nice to have

• Experience with lock-breaking, forensic, mobile security assessment, or penetration-testing tools.
• Knowledge of MDM, kiosk mode vulnerabilities, and OWASP Mobile Top 10.
• Basic Python or Shell scripting for test automation and custom tooling.
• Familiarity with emerging-market Android devices and firmware, or certifications such as eMAPT, GMOB, or OSCP.

Culture & Benefits

• Full-time hybrid work in Mexico City with 10–25% travel.
• Company-funded health coverage, dental and vision discounts for employees and immediate family members, and life insurance.
• 20 days of paid vacation, a 50% vacation premium, 13% savings funds, and a 30-day Christmas bonus.
• $2,000 MXN monthly grocery coupons.
• $2,000 USD annual co-working travel perk and $2,000 USD annual professional development perk.
• Phone financing, home-office equipment, wellness perks, and catered lunches.