Job Details

Technical Director

  2026-04-02     Fidelis Companies     San Francisco,CA  
Description:

Technical Director- TIA Design

Full Time Opportunity

Ideally on sight in the bay area (open to be flexible for the right candidate)

400-600K first year total compensation package (depends on skillset/experience level)

Job Description:

Lead the development of multi-tens of GHz transimpedance amplifiers (TIAs) for coherent long-haul & metro systems, and PAM4 data center systems, primarily using SiGe BiCMOS and CMOS processes. This role offers the opportunity to work on cutting-edge technology that addresses the growing demands of data transmission in modern data centers, telecom networks, and beyond.

  • Measure IC performance and debug designs to correlate simulations to measurements
  • Mentor and guide junior designers
  • Lead chip design projects and deliver successful silicon
  • Translate chip-level specifications into detailed architecture

Requires:

  • Proven experience in TIA design for coherent long-haul and metro systems
  • Deep understanding of detailed transistor-level design, device physics, and control/feedback loop stability analysis
  • Direct project experience in one or more of the following areas:
  • Low noise/high linear broadband analog circuits for optical front-end receivers
  • AGC loop design
  • High-precision analog circuits (e.g., linear regulators, bandgaps, DAC/ADC)
  • Continuous-Time Linear Equalizer (CTLE) design
  • Package-system integration
  • Solid expertise with EDA CAD tools for custom analog layout and 3D EM modeling
  • Team player with exceptional communication and documentation skills


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