Principal Engineer, Mixed Signal Circuit Design

Posted 10 Days Ago
Be an Early Applicant
Hsinchu County
7+ Years Experience
Software • Automation
The Role
Lead the design efforts of high-speed low-noise clocking circuity, including fractional-N phase locked loops and clock distribution networks. Collaborate with team members for system design implementation and modeling. Revolutionize efficient high-speed transmission in Infinera.
Summary Generated by Built In

The successful candidate shall lead the design efforts of high-speed low-noise clocking circuity, including the fractional-N phase locked loops and the clock distribution networks.

Imagine being part of a team that is fundamentally changing the way people communicate, the way they collaborate, the way they watch TV and explore the universe through the internet. Utilizing our uniquely differentiated technology, we have created an Intelligent Transport Network with more speed, capacity, and scalability than ever before. Imagine a world with unlimited bandwidth. The network of tomorrow will allow for content and creativity limited only by the imaginations of its users.
If this is something that interests you, that excites you, come take a look at a team not bound by large company obstacles and bureaucracy, where an idea today can be set in motion tomorrow. Come take a look at Infinera!

The high-quality clocking circuitry is the backbone of the high-speed mixed-signal IPs under development here in Infinera. You will have the great chance to demonstrate your creativity and superior technical competency by leading the design efforts to help Infinera hold the market leadership. We together will revolutionize the era of efficient high-speed transmission.

Essential Functions and Key Responsibilities:

  • Design, simulate, and verify the high frequency fractional-N PLLs.
  • Architect, model, and simulation the noise accumulation and the skew of the clock distribution trees.
  • Model, optimize, and measure the phase noise and jitter performance, and the skew of the whole clocking networks.
  • Design and implement the high-frequency / low-noise VCOs.
  • Collaborate and/or supervise other team members for system design implementation, layout floor planning, and system level modeling.

Mandatory Knowledge/Skills/Abilities:

  • Have good tracking records in designing low phase noise LC-VCO based PLLs to production.
  • Abundant knowledge in the design trade-offs among different VCO topologies for MM-Wave applications, including but not limited to LC-VCO, TWO, SWO, etc.
  • Hands-on in designing the clock distribution network in Cadence environment.
  • Good at modeling the phase noise and spurs of the frac-N PLLs.
  • Possess extensive experience in designing and implementing the high frequency VCOs and clock trees with EMX tools.
  • Have a decent understanding in CMOS analog / mixed signal design overall.

Preferred Knowledge/Skill/Abilities:

  • Good at supervising testing activities.
  • Fluent in verbal and written communications.
  • Independently resolves issues and conquer design challenges.
  • Self-motivated and detail oriented.
  • Has good interpersonal skills.

Education and Experience Requirements:

  • M.S. in E.E. with 10+ years’ experience, or Ph.D. in E.E. with 6+ years’ experience

Infinera is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, sex, color, religion, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law. Infinera complies with all applicable state and local laws governing nondiscrimination in employment.

Top Skills

Cadence
Cmos
Emx
The Company
HQ: San Jose, CA
3,470 Employees
On-site Workplace
Year Founded: 2000

What We Do

Infinera is revolutionizing telecommunications networks with innovative, industry-leading connectivity solutions. Our offerings include high-end subcomponent technology, systems for network infrastructure, automation software, advanced optical compound semiconductor manufacturing, & professional services. As a global supplier, we empower mobile service providers, internet content providers, cloud operators, submarine operators, governments & enterprises to scale network bandwidth, boost service innovation, and automate network operations. We are committed to continuously expanding and enhancing our world-class offerings to meet the changing needs of more than 1,000 customers in over 100 countries across six continents.

Our connectivity solutions are powered by the world’s best embedded & pluggable optical engines, which are designed, developed & manufactured in Infinera’s U.S.-based optical semiconductor fabrication center and are application-optimized for edge, metro, long-haul, and submarine transport networks. Our agile, open, compact & modular networking platforms enable network operators to rapidly and easily take advantage of best-in-class technology. Our software automation solutions optimize traffic flows and automate workloads to enable network operators to cost-effectively deliver secure bandwidth to their customers where and when needed. With these solutions, our goal is to create a connected world with unlimited bandwidth for everyone – everywhere, always, and instantly.


What Inspires Us?
A connected world with unlimited bandwidth for everyone – everywhere, always & instantly.

What Motivates Us?
Delivering innovative and impactful coherent optical technologies and open optical solutions that unlock new value for our customers.

What Drives Us?
To be a valued investment for our shareholders’ money, our customers’ CapEx and our employees’ time by delivering an unrivaled customer experience from an inclusive culture of innovation for our customers.

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