Product Security Engineer – Mobile

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November 12

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Greenlight Planet

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Energy • Social Impact • B2C

Greenlight Planet is a company that has transitioned to the brand Sun King. It specializes in designing, distributing, installing, and financing solar energy solutions, specifically for the 1. 8 billion people without reliable electricity access. The company provides a range of solar products, such as lanterns, home systems, and AC electricity systems, to meet diverse power needs across Africa and Asia. Sun King's solutions facilitate off-grid power access, offering reliable and sustainable energy alternatives to traditional power sources. The company operates on a global scale, including in regions such as East Africa, South Asia, and Oceania, and also provides pay-as-you-go financing options to make solar energy more accessible and affordable.

1001 - 5000 employees

Founded 2009

⚡ Energy

🌍 Social Impact

👥 B2C

📋 Description

• 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.