Embedded Software Engineer

Trilyon, Inc.; Manchester (NH); Presencial; USD 120.000 - 180.000; Tempo integral

Resumo da vaga

Trilyon, Inc. in Manchester, NH, seeks an experienced Wi‑Fi/BT architect to define end‑to‑end wireless system architecture and API‑driven device management.

You will design and debug low‑level serial interfaces, define bridging modes, and implement robust wireless protocols with security considerations. Collaboration with hardware and firmware teams is required.

Qualificações

• 6+ years of experience in network access devices architecture focusing on Wi-Fi.
• Strong C++, Linux userspace and kernel-level development proficiency.
• Deep expertise in Linux system architecture, bootloaders with secure boot, drivers and device tree.

Responsabilidades

• Define end-to-end system architecture for Wi-Fi and Bluetooth with API-based device management.
• Configure and debug low-level serial interfaces (UART/USB/I2C) for stable module communication.
• Define bridging modes for Wi-Fi and Ethernet to ensure seamless data routing.
• Implement wireless protocols for robust, low-latency connectivity.
• Collaborate with hardware/embedded teams to ensure seamless integration.
• Address wireless security risks with encryption, auth, and data protection.
• Manage RF interference to maintain signal reliability in complex environments.
• Provide technical guidance and conduct design reviews with regulatory teams.

Conhecimentos

Wi-Fi architecture

C++

Linux userspace

Linux kernel development

U-Boot secure boot

Drivers and device tree

IPC and D-Bus

Serial interfaces (UART/USB/I2C)

Wi-Fi standards (802.11a/b/g/n/ac/ax)

Bluetooth (Classic & BLE)

Wireless security (WPA2/3, TLS)

RF hardware & antennas

Buildroot/Yocto

TCP/IP networking

Ferramentas

Buildroot

Yocto

U-Boot

Descrição da vaga

• 6+ years of experience in network access devices architecture, focusing on Wi-Fi technologies.
• Strong proficiency in C++, Linux userspace, and Linux kernel-level development.
• Deep expertise in Linux system architecture, bootloaders with secure boot (especially U-Boot), drivers, device tree handling, IPC, D-Bus, and software update mechanisms.
• Proven experience handling and debugging serial communication interfaces and peripherals (UART, USB, I2C).
• Expert knowledge of Wi-Fi standards (802.11a/b/g/n/ac/ax), Wi-Fi Direct, and Bluetooth protocols (Classic & BLE).
• Solid background in wireless security protocols (WPA2, WPA3, TLS, ECC, AES), threat mitigation, Linux security hardening, and SELinux.
• Practical experience with RF hardware, antennas, and wireless interference mitigation strategies.
• Solid understanding of the TCP/IP networking stack and hands-on experience with embedded Linux build systems (Buildroot, Yocto).
• Strong verbal and written communication skills for technical and non-technical audiences.

Responsibilities:

• Define end-to-end system architecture for Wi-Fi and Bluetooth communication, including device management over APIs.
• Configure and debug low-level serial communication interfaces (UART, USB, I2C) for stable module communication.
• Define bridging modes for Wi-Fi chips and Ethernet interfaces to ensure seamless data routing.
• Implement wireless protocols for Wi-Fi (802.11) to achieve robust connectivity and low-latency transmission.
• Collaborate with hardware engineers and embedded developers to ensure seamless integration.
• Address wireless security risks by implementing encryption, authentication, and data protection across all connectivity layers.
• Manage RF interference to maintain signal reliability in complex environments.
• Provide technical guidance, conduct design reviews, and collaborate directly with regulatory teams.