Astera Labs (NASDAQ: ALAB) provides rack-scale AI infrastructure through purpose-built connectivity solutions. By collaborating with hyperscalers and ecosystem partners, Astera Labs enables organizations to unlock the fu…
Skills: High-speed SerDes, Optical Connectivity, Signal Integrity, PCIe Gen 5/6/7, UALink
Principal System Validation Engineer (AI Fabric Switches)
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$237k–$250k/yr
Senior+$206M raised
Astera Labs (NASDAQ: ALAB) provides rack-scale AI infrastructure through purpose-built connectivity solutions. By collaborating with hyperscalers and ecosystem partners, Astera Labs enables organizations to unlock the fu…
Skills: System Validation, Python, PCIe, CXL, NVMe
Astera Labs (NASDAQ: ALAB) provides rack-scale AI infrastructure through purpose-built connectivity solutions. By collaborating with hyperscalers and ecosystem partners, Astera Labs enables organizations to unlock the fu…
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Astera Labs (NASDAQ: ALAB) provides rack-scale AI infrastructure through purpose-built connectivity solutions. By collaborating with hyperscalers and ecosystem partners, Astera Labs enables organizations to unlock the fu…
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Astera Labs (NASDAQ: ALAB) provides rack-scale AI infrastructure through purpose-built connectivity solutions. By collaborating with hyperscalers and ecosystem partners, Astera Labs enables organizations to unlock the fu…
Astera Labs (NASDAQ: ALAB) provides rack-scale AI infrastructure through purpose-built connectivity solutions. By collaborating with hyperscalers and ecosystem partners, Astera Labs enables organizations to unlock the fu…
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Full-time
bachelor degree, postgraduate degree
Posted 9d ago
~40 hrs/week
Responsibilities
Serve as the principal technical authority for optical solutions, driving adoption and system-level enablement for hyperscale and AI platform customers. Lead the debug, validation, and root cause analysis of high-speed links and signal integrity issues in customer systems.
Requirements
Requires a Bachelor's degree in Electrical Engineering or a related field with 8+ years of experience in high-speed connectivity or optics. Must have deep expertise in SerDes, physical layer fundamentals, and a proven track record of working with Tier-1 hyperscale customers.
Full job description
Astera Labs (NASDAQ: ALAB) provides rack-scale AI infrastructure through purpose-built connectivity solutions. By collaborating with hyperscalers and ecosystem partners, Astera Labs enables organizations to unlock the full potential of modern AI. Astera Labs’ Intelligent Connectivity Platform integrates CXL®, Ethernet, NVLink, PCIe®, and UALink™ semiconductor-based technologies with the company’s COSMOS software suite to unify diverse components into cohesive, flexible systems that deliver end-to-end scale-up, and scale-out connectivity. The company’s custom connectivity solutions business complements its standards-based portfolio, enabling customers to deploy tailored architectures to meet their unique infrastructure requirements. Discover more at www.asteralabs.com.
Job Description Draft — Optical Product Application Engineer, Principal
Location: San Jose, CA
Astera Labs is redefining the connectivity fabric of rack-scale AI infrastructure, and optical connectivity is one of the most pivotal technologies shaping the next generation of scale-up and scale-out systems. As a Principal Application Engineer for Optical Products, you will be the senior technical face to our largest hyperscale and AI platform customers — driving optical solution adoption, link bring-up, and system-level enablement across our switching and connectivity portfolio.
This is a hands-on, customer-facing leadership role at the intersection of silicon, optics, and system design. You'll partner closely with hyperscalers, optical module makers, and our internal silicon, firmware, and hardware teams to ensure flawless deployment of optics-based platforms supporting UALink, PCIe, and high-speed Ethernet — directly accelerating Astera's hyper-growth in AI connectivity.
Key Responsibilities
Customer Technical Leadership
Serve as the principal technical authority for optical solutions across hyperscale and AI platform customers, driving architecture reviews, design-ins, and deployment escalations.
Deliver technical documentations, product training, and demonstrations to customer engineering teams
Build trusted advisor relationships with key customers or partners and drive product adoption
System & Link Debug and Validation Support
Support customer lab bring-up, characterization, debug of links covering optical and electrical co-design, SerDes tuning, link training, and system validation.
Lead root cause analysis and debugging of end-to-end signal/power integrity, interoperability, and protocol issues in customer systems.
Develop reference test methodologies, lab automation, and debug playbooks adopted across customer base.
Cross-Functional Engineering Partnership
Partner with silicon, firmware, hardware, and product teams to root-cause complex issues and drive design improvements back into the product line.
Collaborate with optical module and ecosystem partners on packaging interfaces, thermal/mechanical integration, and reliability.
Influence next-gen optical architecture and feature definition based on field learnings and customer roadmaps.
Technical Documentation & Field Excellence
Create product documentation including datasheets, application notes, integration and user guides.
Mentor application and field engineers, raising the bar on technical depth in optics, high-speed SerDes, and switching systems.
Represent Astera Labs at industry forums, standards bodies, and customer technology summits as an optical subject-matter expert.
Basic Qualifications
Bachelor's degree in Electrical Engineering, Photonics, Physics, or a related technical field.
8+ years of applications, systems, or design engineering experience in high-speed connectivity, optics, or networking silicon.
Deep expertise in high-speed SerDes and physical layer fundamentals (channel modeling, equalization, jitter, BER, link training).
Hands-on experience with at least one of: PCIe Gen 5/6/7, UALink, or 400G/800G/1.6T Ethernet.
Proven track record working directly with hyperscale or Tier-1 customers on optical integration, system bring-up, debug, and production deployment.
Experience debugging high-speed serial interfaces and signal integrity challenges
Strong lab skills: high-speed scopes, BERTs, optical test equipment, and link analyzers.
Preferred Qualifications
MS or PhD in Electrical Engineering, Photonics, or Optical Engineering.
Direct experience with Driver/TIA/ODSP, silicon photonics, and optical modules (OSFP, QSFP-DD, LPO, CPO).
Familiarity with switch silicon architectures and scale-up/scale-out AI fabrics.
Excellent written and verbal communication skills with the ability to engage from engineer to executive audiences.
Scripting proficiency for test automation and data analysis
We know that creativity and innovation happen more often when teams include diverse ideas, backgrounds, and experiences, and we actively encourage everyone with relevant experience to apply, including people of color, LGBTQ+ and non-binary people, veterans, parents, and individuals with disabilities.
AI Your Way. Purpose-built Rack-Scale Connectivity.
Industry
Semiconductor Manufacturing
Company size
501-1,000 employees
Founded
2017
Headquarters
San Jose, CA
LinkedIn followers
53,755
Total funding
$206M
Astera Labs (NASDAQ: ALAB) provides rack-scale AI infrastructure through purpose-built connectivity solutions. By collaborating with hyperscalers and ecosystem partners, Astera Labs enables organizations to unlock the full potential of modern AI. Astera Labs’ Intelligent Connectivity Platform integrates CXL®, Ethernet, NVLink™ Fusion, PCIe®, and UALink™ semiconductor-based technologies with the company’s COSMOS software suite to unify diverse components into cohesive, flexible systems that deliver end-to-end scale-up, and scale-out connectivity. The company’s custom connectivity solutions business complements its standards-based portfolio, enabling customers to deploy tailored architectures to meet their unique infrastructure requirements. Discover more at www.asteralabs.com.
Offices: San Jose, CA, US · Toronto, CA · Taipei, TW · Shanghai, CN · Haifa, IL
Connectivity solutionsSignal ConditioningPCIeHeterogeneous ComputeHyper-scale Data CenterNVMeEthernetCXLAIML
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