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PLL Design Engineer

Apple· Hardware
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Cupertino, California$184.7k - $324.8kFull-timePosted 3d ago

About the role

Role focused on developing cutting-edge frequency synthesizers and high-quality hard IPs within Apple’s Analog-Mixed/Signal group to address SOC/PHY design complexity and tight production schedules. Collaborative, innovative environment emphasizing ownership, learning, and societal impact.

Responsibilities

  • Develop cutting-edge frequency synthesizers for Compute, SoC, SerDes, and Cellular technologies.
  • Contribute to maintaining Apple’s leadership in innovation with high-quality hard IPs.
  • Collaborate with team to solve problems and manage complex SOC/PHY design challenges.
  • Possibly develop/debug RTL and create SystemVerilog models; perform behavioral simulations to assess architectural performance and loop dynamics.

Qualifications

  • BSEE with at least 10 years of relevant experience
  • Proficiency in PLL/FLL and frequency synthesis architecture and circuit design (digital/analog approaches) including DCO/VCO design (RO and LC), Fractional-N, SSC, Spur and Jitter cancellation techniques
  • Strong understanding of band gaps, bias circuits, op-amps, LDOs, feedback and compensation techniques
  • Deep understanding of clocking fundamentals, phase noise, jitter analysis, budgeting, and feedback loop dynamics
  • SystemVerilog modeling and behavioral simulation skills; RTL design abilities are a plus
  • Excellent attention to detail, problem-solving capabilities, and ability to work in a collaborative team environment
  • Demonstrated innovation, leadership, and a growth mindset
  • Experience with industry-standard design tools and scripting; strong teamwork and productivity skills

Skills

Required:PLL/FLL designDCO/VCO designFractional-N, SSC, jitter/Spur cancellationSystemVerilog modelingClocking and timing analysisTeam collaboration
Nice to have:RTL design

Benefits

  • Comprehensive medical and dental coverage
  • Retirement benefits
  • Discounted products and free services
  • Educational expense reimbursement (tuition)
  • Discretionary bonuses or commission potential and relocation assistance
  • Apple shareholder opportunities via stock programs (RSU, Employee Stock Purchase Plan)
Last updated Oct 23, 2026. Interested? Apply on the company site.

About Apple

Discover the innovative world of Apple and shop everything iPhone, iPad, Apple Watch, Mac, and Apple TV, plus explore accessories, entertainment, and expert device support.

Discover the innovative world of Apple and shop everything iPhone, iPad, Apple Watch, Mac, and Apple TV, plus explore accessories, entertainment, and expert device support.

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