Facebook is the world leader in the design of virtual and augmented reality systems. Come work alongside expert engineers and research scientists to create the technology that makes AR and VR pervasive and universal. Join the adventure of a lifetime as we make science fiction real and change the world. You're a Firmware Engineer with deep embedded system knowledge, a passion for working on new hardware and strong technical leadership skills. You're comfortable working with a wide variety of hardware devices, working with a team to rapidly deliver reliable high performance firmware. At the Facebook AR/VR team, you will design, build and test firmware systems for future Augmented Reality (AR), Virtual Reality (VR), and Mixed Reality (MR) experiences. You will join a world-class team of experts exploring new AR/VR concepts through rapid prototyping. Firmware for AR/VR systems spans multiple target classes, requiring deep collaboration across engineering disciplines (electrical, mechanical, optical, firmware and software) and directly impacting user immersion. We're looking for people who quickly solve problems, generate big ideas, work in new technology areas, drive concepts into prototypes, and envision how those prototypes transition to high-volume consumer products. In this role, you are expected to participate in the definition of architecture and implementation of architecture in both prototype and shipping consumer products as well as demonstrate good development practices and seamless collaboration.
* Analyze, design, develop, and debug firmware for a wide variety of AR and VR consumer devices, including novel sensing and imaging systems, haptic devices, and audio prototypes
Understand and implement power-management, boot loaders, scheduling, and RTOS
Collaborate in a team environment across multiple , product focused, research, and engineering disciplines, making the architectural tradeoffs required to rapidly deliver firmware solutions
Support all phases of SoC/ASIC development - including early architecture requirements definition for custom silicon, firmware architecture, implementation, simulation, FPGA debug, chip bring up and support systems and software teams on algorithm development on validated systems
Understand and drive implementation of FW development good practices across teams and projects
* B.S./M.S. degree in Computer Science or Electrical Engineering or equivalent experience
5+ years of experience in embedded firmware design
Experience producing production quality, fail-safe firmware for low-power real-time system control
Experience with hardware, clock-level issues, bridges, delays, interrupts, clock gating, polling etc.
Experience implementing firmware for low-power SoC and tape-out of chips in the past
Experience with wireless and wired communication protocols, including USB, TCP/IP, Ethernet, Bluetooth and 802.11
Experience with embedded micro-controllers like ARM Cortex M0/M3/M4 architecture and boot mechanism, interrupt priorities and experience with configuring peripherals
Experience analyzing hardware and power consumption
Experience working with DRAM-based systems and issues related to DRAM bandwidth, power and throughput
Experience with software design and programming in C/C++ for development, debugging, testing and performance analysis
Experience with instrumentation like oscilloscopes, logic/protocol analyzers for debugging embedded systems at HW level
Experience with device documentation and translate that information into software solutions
Experience with methods of designing experiments to diagnose embedded hardware and firmware problems
Experience with cross multi-disciplinary boundaries to drive system solutions
Experience with working independently and managing priorities
* Experience with peripherals such as USB, SPI, MIPI CSI/DSI, I2C, UART, GPIO etc.
Experience with protocol implementations such as USB device classes (UVC, UAC, HID)
Experience with embedded DSP and CPU architectures
Experience with EDA design tools and instruction set simulators
Experience with FPGA and vendor specific hardware evaluation boards
Experience in real-time processing for computer vision and user interaction tasks, high-compute/throughput systems and using simulation and modeling technique to estimate performance and power
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