PLL Design Engineer

Apple Inc.; San Diego (CA); On-site; USD 175,000 - 308,500; Full time

Benefits offered by this job

Stock programs

Medical and dental coverage

Tuition reimbursement

Relocation assistance

Job summary

Apple Inc. is seeking an engineering leader in the Analog-Mixed/Signal group to push the boundaries of frequency synthesis in SOC/PHY designs and high-quality hard IPs. You will collaborate across teams to meet tight production schedules and contribute to market-leading innovation.

In this role you will design PLL/FLL architectures, DCO/VCO, and implement jitter reduction, SystemVerilog models, and RTL debugging. You will grow within a fast-paced, learning-driven environment at Apple.

Qualifications

• Bachelor of Science in Electrical Engineering (BSEE) with at least 10 years of relevant experience.
• Demonstrated proficiency in PLL/FLL and frequency synthesis architecture (DCO/VCO, Fractional-N, SSC, Spur/Jitter cancellation).
• Knowledge of band gaps, bias circuits, op-amps, LDOs, feedback and compensation techniques.
• Strong clocking fundamentals: phase noise, jitter budgeting, and feedback loop dynamics.
• Experience in SystemVerilog modeling and behavioral simulations; RTL design is a plus.
• Attention to detail with a track record of innovation and learning; strong teamwork and scripting skills.

Job description

At Apple, our products are revolutionizing the way people live across the globe. Within our Analog-Mixed/Signal group, your role will be crucial in pushing the boundaries of what our technology can achieve. We are dedicated to crafting high-quality, innovative hard IPs that surpass the ordinary, adjusting to the escalating complexity of SOC/PHY designs and multiplying projects within tight production schedules. Our environment thrives on these challenges, fueled by a team of exceptional individuals passionate about continual learning and making a substantial impact. If you excel in dynamic settings, relish collaborative problem-solving, and seek to make a societal impact through your work, you might be the ideal candidate for our team. At Apple, you'll join a culture that encourages you to take ownership of your career, supported by colleagues committed to making a difference.

Description

In this role, you will leverage your expertise to develop cutting-edge frequency synthesizers for a variety of applications, including Compute, SoC, SerDes, and Cellular technologies. Your work will directly contribute to maintaining Apple’s leadership in innovation and market presence, setting new standards in the tech industry.

Minimum Qualifications

• BSEE with at least 10 years of relevant experience

Preferred Qualifications

• Technical Expertise: Demonstrated proficiency in PLL/FLL and frequency synthesis architecture and circuit design. This includes digital and analog approaches, DCO/VCO design both RO and LC, Fractional-N, SSC, Spur and Jitter cancellation techniques.
• Good knowledge of band gaps, bias circuits, op-amps, LDOs, feedback and compensation techniques.
• Clocking Mastery: Deep understanding of clocking fundamentals, with a solid grasp of phase noise, jitter analysis, budgeting, and feedback loop dynamics.
• Simulation and Modeling: Skilled in developing System Verilog models, and performing behavioral simulations to explore new architectural performance and impact on loop dynamics. Ability to design/debug RTL is a plus.
• Attention to Detail: Exceptional focus on understanding the problems at hand and their systemic impacts, ensuring thoroughness in problem-solving.
• Innovation and Learning: A history of innovation and self-directed learning, with demonstrated leadership skills and a growth mindset.
• Team Collaboration: Outstanding teamwork capabilities paired with strong productivity and scripting skills, ideally with experience in using industry-standard design tools.

Compensation & 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 $175,000 and $308,500, and your base pay will depend on your skills, qualifications, experience, and location.

Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s 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’s Employee Stock Purchase Plan. You’ll 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 — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits.

Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant.

At Apple, we believe accessibility is a fundamental human right. You’ll find that idea reflected in everything here — in our culture, our benefits and our digital tools. By welcoming as many perspectives as possible, we help you build a career where you feel like you belong.

Learn about accessibility in Apple’s workplace.

Learn about reasonable accommodations for job applicants.

Apple accepts applications to this posting on an ongoing basis.