{"title": "Embedded 5G/4G Cellular Physical Layer DSP Firmware Engineer", "summary": "Do you have a passion for invention and self-challenge? As part of an extraordinary modem team, you'll craft sophisticated groundbreaking embedded firmware that deliver more performance in our products than ever before! We'll work across subject areas to transform improved hardware elements into a single, coordinated design. Join us, and you\u2019ll help us innovate new wireless systems technologies that continually outperform the previous iterations. By collaborating with other product development groups across Apple, you\u2019ll push the industry boundaries of what wireless systems can do and improve the product experience for our customers across the world. As a Wireless Embedded Physical Layer DSP Firmware Engineer on this team, you will be at the center of the embedded 5G/4G/multimode cellular firmware effort within a silicon design group responsible for crafting and productizing groundbreaking cellular SoCs. This position requires someone comfortable will all aspects of embedded software development, that thrives in a multifaceted multi-functional organization, is not afraid to debate ideas openly, and is flexible enough to shift on constantly evolving requirements.", "description": "Implement key 3GPP digital signal processing algorithms with very tight time, latency and energy budgets by interfacing to specialized cellular ASIC hardware. Examples of 3GPP algorithmic areas include:\n\u2022 Channel Estimation\n\u2022 Channel State Feedback\n\u2022 Interference Cancellation\n\u2022 Cell Search and Measurement\n\u2022 Beam Measurement\n\u2022 Work with systems engineers to refine signal processing algorithms for efficient firmware/hardware execution \n\u2022 Work with silicon designers to define HW interfaces, processors, bus, DMA, accelerator, and memory subsystems. \n\u2022 Specify, design, and implement the firmware architecture of an innovative mobile wireless communications system \n\u2022 Assist in the development of pre-silicon emulation systems/virtual platforms and use them for pre-silicon FW design and HW verification \n\u2022 Evaluate and implement groundbreaking tools for build, formal verification and test.\n\u2022 Define methodologies and standard processes", "key_qualifications": "Minimum BS and 3+ years of relevant industry experience\nExperience implementing digital signal processing algorithms using special purpose digital signal processing HW\nUnderstanding of 5G and 4G 3GPP protocols\nDeep understanding of software engineering principles, and core computer science fundamentals\nFundamental facility with C and C++, compilers, build and source code control tools\nSignificant experience with memory constrained Real Time Operating Systems (RTOS) and concurrent programming\nSolid understanding of computer architecture with particular emphasis on the HW/SW interfaces of high speed communication subsystems\nExperience with silicon prototyping, emulation systems, and virtual platforms\nProficiency debugging embedded software systems. Familiarity with UARTs, JTAG, and oscilloscopes\nSome mainstream OS application level development and Python or Perl scripting experience", "preferred_qualifications": "", "education_experience": "Minimum BS and 3+ years of relevant industry experience.", "additional_requirements": "", "pay_benefits": "At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $135,400 and $250,600, and your base pay will depend on your skills, qualifications, experience, and location.\n\nApple employees also have the opportunity to become an Apple shareholder through participation in Apple\u2019s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple\u2019s Employee Stock Purchase Plan. You\u2019ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses \u2014 including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits.\n\nNote: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.", "company": "apple"}