SpaceX · 15 hours ago
Sr. Silicon Photonics Design Engineer (Silicon Engineering)
Redmond, WA
Full-time
Onsite
Senior Level
$160K/yr - $220K/yr
5+ years expSpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. In this role, you will be developing cutting-edge next-generation PIC for deployment in space and ground infrastructures around the globe, working alongside world-class cross-disciplinary teams to maximize Starlink’s utility for communities and businesses.
AerospaceManufacturingSpace Travel
No H1B
U.S. Citizen Only
Responsibilities
Design, analyze, and simulate optical building blocks such as MZM and Microring modulators, Ge Photo diodes, dWDM filters, waveguides, couplers, dividers and polarization management circuitry in different integrated platforms such as silicon photonics and InGaAs/InP
Derive specifications for the Photonics IC systems and circuits
Design and model package optical interface including edge coupler and grating couplers
Familiar with RF, Analog and mixed signal circuits
Work with system architects, DSP, electro-optics, and ASIC engineers to partition functions between hardware and software domains
Perform IC floor planning and layout
Evaluate, characterize and measure electrical and optical building blocks of a high-speed optical link solution
Assist in the development of automated test lab equipment for lab measurements
Work with manufacturing engineers on production testing and qualification of the PIC circuits and systems
Experience using simulation tools such as Lumerical, COMSOL and HFSS
Qualification
Required
Bachelor's degree in electrical engineering, computer engineering, or computer science
5+ years of photonics or electro-optical integrated circuit design
Design, analyze, and simulate optical building blocks such as MZM and Microring modulators, Ge Photo diodes, dWDM filters, waveguides, couplers, dividers and polarization management circuitry in different integrated platforms such as silicon photonics and InGaAs/InP
Derive specifications for the Photonics IC systems and circuits
Design and model package optical interface including edge coupler and grating couplers
Familiar with RF, Analog and mixed signal circuits
Work with system architects, DSP, electro-optics, and ASIC engineers to partition functions between hardware and software domains
Perform IC floor planning and layout
Evaluate, characterize and measure electrical and optical building blocks of a high-speed optical link solution
Assist in the development of automated test lab equipment for lab measurements
Work with manufacturing engineers on production testing and qualification of the PIC circuits and systems
Experience using simulation tools such as Lumerical, COMSOL and HFSS
Ability to work long hours and weekends as necessary to support critical milestones
Preferred
Master's degree or PhD in electrical engineering, computer engineering (with emphasis on electro-optics IC design), or applied physics
Experience using electrical simulation tools such as Spectre, ADS
Knowledge of advanced packaging for a co-package optics (CPO) solution
Electrical circuit design skills, and experience performing analysis and simulation linear/non-linear circuits such as high bandwidth modulator drivers, TIAs, CTLEs, filters, low noise and power amplifiers
Experience working on wideband circuit designs supporting high speed Serdes links with more than 100Gbps data rate and BW exceeding 10s of GHz
Familiarity with high speed SerDes architecture and modulation schemes such as NRZ/ PAM4 and link protocols
Familiarity with optical and radio related test equipment such as spectrum analyzers, vector signal analyzers, vector signal generators, high speed oscilloscopes and BERTs
Experience characterizing EIC/PIC performance for high speed optical Serdes
Benefits
Long-term incentives, in the form of company stock, stock options, or long-term cash awards
Potential discretionary bonuses
Ability to purchase additional stock at a discount through an Employee Stock Purchase Plan
Comprehensive medical, vision, and dental coverage
401(k) retirement plan
Short & long-term disability insurance
Life insurance
Paid parental leave
Various other discounts and perks
3 weeks of paid vacation
10 or more paid holidays per year
5 days of sick leave per year
Company
SpaceX
SpaceX is an aviation and aerospace company that designs, manufactures, and launches rockets and spacecraft.
1001-5000 employees
Funding
Current Stage
Late StageTotal Funding
$11.78BKey Investors
Korea Investment PartnersIntesa SanpaoloAndreessen Horowitz
2025-12-12Secondary Market
2025-09-10Secondary Market
2025-08-13Secondary Market· $10M
Leadership Team
Elon Musk
Founder, CEO & CTO
Bret Johnsen
CFO
Recent News
2026-02-05
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Portugal News
2026-02-05
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