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Sr. SerDes Characterization and Validation Engineer (Silicon Engineering) - job 1 of 2

SpaceX is developing and deploying Starlink, the world’s most advanced broadband satellite system, and is seeking a motivated Sr. SerDes Characterization and Validation Engineer to help design, validate, and characterize high-speed SerDes blocks in next-generation ASICs for space and ground infrastructure. The role involves cross-disciplinary collaboration with ASIC design, firmware, electrical design, and software teams to ensure robust SerDes performance across PVT and space-specific environmental conditions.

Skills

  • 5+ years characterizing and/or validating SerDes IP
  • Experience with SerDes architectures (NRZ, PAM4) and components (CTLE, DFE, FFE, CDR, PLL)
  • Proficiency with high-speed test equipment (BERTs, high-speed oscilloscopes)
  • Experience with SerDes signal integrity analysis (eye diagrams, bathtub curves)
  • Software skills for bring-up (Python, C/C++)
  • Familiarity with high-speed protocols (Ethernet, PCIe) is a plus

Responsibilities

  • Bring-up, validate, and characterize high-speed SerDes blocks in new and existing silicon
  • Develop test methods to evaluate SerDes performance and calculate operating margins across PVT and space-specific environments
  • Define loopback and test infrastructure logic with ASIC design team to ensure adequate silicon test coverage
  • Collaborate with electrical design team on signal integrity, power integrity, and EMC concerns and propose mitigations
  • Evaluate SerDes IP from internal and external providers for logical and electrical compatibility
  • Write software routines (Python, C/C++) to bring up and validate SerDes and collaborate on driver integration
  • Author comprehensive test reports documenting boundary conditions and results

Education

  • Bachelor's degree in an engineering discipline (required)
  • MS or PhD in electrical engineering, computer engineering, or computer science (preferred)

Benefits

  • Comprehensive medical, vision, and dental coverage
  • 401(k) retirement plan
  • Short- and long-term disability insurance and life insurance
  • Eligibility for long-term incentives (stock, options, or cash awards) and ESPP
  • Paid parental leave
  • Approximately 3 weeks paid vacation and 10+ paid holidays per year
  • Exempt employees eligible for 5 days sick leave per year
  • Various employee discounts and perks
To read the complete job description, please click on the ‘Apply’ button
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$220000K

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FUNDING
DEPARTMENTS
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
SALARY RANGE
$160,000/yr - $220,000/yr
EMPLOYMENT TYPE
Full-time, onsite
DATE POSTED
October 6, 2025
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