{"title": "Embedded Real Time Critical Control Firmware Engineer", "summary": "Do you have a passion for invention and self-challenge? As part of an extraordinary modem team, you\u2019ll craft sophisticated powerful embedded firmware that deliver more performance in our products than ever before! We\u2019ll work across teams 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 an Embedded Firmware Engineer passionate about real time critical control 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 powerful cellular SoCs. This position requires someone comfortable will all aspects of embedded firm 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": "Design interfaces and call flows for 3gpp control processing Lead others toward control feature delivery and support Design and Implement algorithms using minimal memory and cycles with rigid real time deadlines Implement algorithms such as power gating, tracking loops, spec based physical layer procedures Build validation framework for validation of implemented algorithms Assist in the development of pre-silicon emulation systems/virtual platforms and use them for pre-silicon FW design and HW verification  Evaluate and implement powerful tools for build, formal verification and test", "key_qualifications": "Minimum BS and 10+ years of relevant industry experience. Experience with design and implementation of bare metal control firmware which is highly optimized for cycles and memory Deep understanding of the difference between design for a software platform and a highly constrained firmware environment Understanding of the use of data structures for deterministic and efficient reads and writes Understanding of design for asymmetric multiprocessing solutions Fundamental facility with C and C++, compilers, build and source code control tools Proven understanding of computer architecture with particular emphasis on the HW/SW interfaces of high speed communication subsystems Experience with silicon prototyping, emulation systems, and virtual platforms Proficiency debugging embedded software systems. Familiarity with UARTs, JTAG, and oscilloscopes Some mainstream OS application level development and Python or Perl scripting experience Understanding of 5G and 4G 3GPP protocols a plus Some familiarity with wireless communications a plus", "preferred_qualifications": "", "education_experience": "Minimum BS and 10+ 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 $175,800 and $312,200, 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"}