Principal Engineer Jobs at Astera Labs with Visa Sponsorship
Principal Engineer jobs at Astera Labs involve leading silicon, firmware, and systems architecture work at the intersection of connectivity and AI infrastructure. The company sponsors multiple visa types for this function, making it a realistic target for international engineers with deep hardware or semiconductor experience.
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Get Access To All JobsINTRODUCTION
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.
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.
- Experience driving cross-functional escalations spanning silicon, firmware, optics, and platform software.
- 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.
INTRODUCTION
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.
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.
- Experience driving cross-functional escalations spanning silicon, firmware, optics, and platform software.
- 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.
See all 58+ Principal Engineer Jobs at Astera Labs
Sign up for free to unlock all listings, filter by visa type, and get alerts for new Principal Engineer Jobs at Astera Labs.
Get Access To All JobsTips for Finding Principal Engineer Jobs at Astera Labs
Align your portfolio to connectivity silicon
Astera Labs builds PCIe, CXL, and Ethernet semiconductor solutions. Before applying, reframe your resume around protocol-layer architecture, signal integrity, or ASIC design work that maps directly to these domains.
Pursue OPT early in your hardware job search
F-1 OPT gives you up to 12 months of work authorization before H-1B sponsorship is needed. Filing your OPT application through USCIS at least 90 days before your program end date keeps your timeline on track.
Target roles that specify cross-functional leadership
Principal Engineer postings at Astera Labs often expect ownership across RTL, firmware, and systems validation. Highlighting cross-functional scope in your application signals the seniority level their sponsorship investment is geared toward.
Use Migrate Mate to surface Principal Engineer openings
Astera Labs posts Principal Engineer roles across multiple hardware disciplines. Use Migrate Mate to filter specifically for sponsored positions at Astera Labs, so you're only spending time on roles that explicitly support your visa category.
Clarify TN eligibility before your offer negotiation
Canadian and Mexican engineers may qualify for TN status under USMCA without waiting on the H-1B lottery. Confirm with the hiring team that your specific Principal Engineer role is classifiable as an engineer under DOL's TN occupation list.
Prepare for PERM-backed Green Card timelines
EB-2 and EB-3 sponsorship at the Principal Engineer level involves a DOL PERM labor certification before the I-140 petition. Ask your recruiter early whether the role includes an immigrant visa commitment so you can plan around multi-year processing windows.
Frequently Asked Questions
Does Astera Labs sponsor H-1B visas for Principal Engineers?
Yes. Astera Labs has an active record of H-1B visa sponsorship for Principal Engineer roles, consistent with the demands of hiring specialized semiconductor and systems engineering talent. Because Principal Engineer positions typically require deep domain expertise in areas like PCIe or CXL architecture, they align well with the specialty occupation standard USCIS uses to evaluate H-1B petitions.
Which visa types does Astera Labs commonly use for Principal Engineers?
Astera Labs sponsors H-1B, F-1 OPT, TN visa, and Green Card pathways including EB-2 and EB-3 for Principal Engineer roles. OPT is common for recent graduates entering hardware engineering. TN visa is an option for Canadian and Mexican nationals in qualifying engineering disciplines. Green Card sponsorship through PERM is available for longer-term positions at this seniority level.
How do I apply for Principal Engineer jobs at Astera Labs?
Browse open Principal Engineer positions directly on the Astera Labs careers page or use Migrate Mate to filter for sponsored roles by visa type. Applications typically require a resume that demonstrates ownership of hardware or firmware systems at scale. Roles span connectivity silicon, AI infrastructure, and platform engineering, so tailoring your application to the specific product area improves your chances.
What qualifications does Astera Labs expect for Principal Engineer roles?
Astera Labs Principal Engineer roles generally expect a degree in Electrical Engineering, Computer Engineering, or Computer Science, plus substantial experience in semiconductor design, high-speed protocols, or systems architecture. Hands-on expertise with PCIe, CXL, or Ethernet is a recurring requirement. Leadership experience coordinating across RTL, firmware, and validation teams is often expected at this level.
How do I plan the timeline if Astera Labs sponsors my H-1B?
H-1B petitions are subject to an annual lottery that opens in March for an October 1 start date. If you're on F-1 OPT, your authorization can bridge the gap while the petition is processed. Premium processing through USCIS reduces adjudication to roughly 15 business days once the petition is filed, which is worth discussing with your Astera Labs hiring contact if timing is tight.