Greenlight Planet

Product Security Engineer – Mobile

Greenlight Planet

full-time

Posted on:

Location Type: Remote

Location: Remote • 🇺🇸 United States

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Job Level

Mid-LevelSenior

Tech Stack

AndroidFlashIoTPython

About the role

  • Perform offensive security assessments of hardware, firmware, embedded OS, and payment stacks.
  • Reverse engineer firmware and conduct static/dynamic analysis to uncover flaws.
  • Identify and exploit vulnerabilities in bootloaders, MDMs, Android kernels, secure boot, and cryptographic mechanisms.
  • Build and execute PoC attacks to demonstrate exploitability and impact.
  • Collaborate with engineering teams to define secure development practices.
  • Participate in threat modeling and architecture reviews.
  • Stay updated on emerging vulnerabilities, tools, and offensive research in smartphone financing ecosystems.

Requirements

  • Solid understanding of Android security, MDM, IoT architectures, and hardware testing/hacking.
  • Experience with JTAG/SWD/UART debugging, side-channel analysis, and fault injection.
  • Hands-on with Flash 64, Pandora, Easy JTag, Chimera, and CM2.
  • Proficiency in Ghidra, IDA Pro, Binary Ninja, and debugging tools like JTAGulator, OpenOCD, and Bus Pirate.
  • Experience with firmware analysis tools (Binwalk, Firmadyne, and QEMU).
  • Familiarity with secure boot, TPM/TEE, flash encryption, and embedded security tech.
  • Programming/scripting skills in Python, C/C++, and Bash.
  • Understanding of vulnerabilities like memory corruption, logic flaws, and insecure updates.
  • Exposure to payment/fintech device security and secure provisioning environments.
Benefits
  • Professional growth in a dynamic, rapidly expanding, high-social-impact industry
  • An open-minded, collaborative culture made up of enthusiastic colleagues who are driven by the challenge of innovation towards profound impact on people and the planet.
  • A truly multicultural experience: you will have the chance to work with and learn from people from different geographies, nationalities, and backgrounds.
  • Structured, tailored learning and development programs that help you become a better leader, manager, and professional through the Sun King Center for Leadership.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
offensive security assessmentsreverse engineeringstatic analysisdynamic analysisvulnerability exploitationthreat modelingsecure development practicesprogramming in Pythonprogramming in C/C++scripting in Bash
Soft skills
collaborationcommunication