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Salary
$160k – $275k per year
Location
Hybrid (Mountain View, United States)
Visa
H-1B filings in 12 months: 8 · for this role: 7
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 17, 2026. First seen by Alion on Jul 15, 2026. MatX scores B on the Alion truth index.

Overview
Company
Impact
Profile match
MatX is a semiconductor startup based in Mountain View, California that designs high-throughput chips for training and serving large language models for frontier AI labs. Its MatX One chip targets training, reinforcement learning and inference of large dense and mixture-of-experts models, pairing on-chip SRAM for weights with HBM for long context and large scale-up interconnect, and it is backed by Jane Street, Spark Capital, Situational Awareness LP, Triatomic Capital and the fund of Nat Friedman and Daniel Gross. It hires silicon architects, design verification and validation engineers, kernel and system software engineers, hardware engineers and AI tooling staff.

What MatX Is Building

MatX's mission is to make the world’s best AI models run as efficiently as allowed by physics, bringing the world years ahead in AI quality and availability. MatX is seeking silicon verification engineers to join our team as we create best-in-class silicon for high-performance and sustainable GenAI. Successful candidates for these roles will be responsible for delivering performant and functionally accurate silicon for MatX products across compute, memory management. High-speed connectivity and other key technologies.

What You'll Do Here

  • Contribute to MatX’s verification methodology with a scalable solution across blocks, subsystems, fullchip and system-level validation

  • Own portions of verification execution at subsystem and chip-level and create testbenches, tests and related artifacts to achieve structural and functional coverage closure

  • Plan and drive intermediate and sign-off reviews on verification test plans, execution progress and verification closure towards various silicon milestones including design freeze and tapeout

Who You Are

  • Concept-to-silicon experience in driving verification from an architecture and/or design specification to production silicon

  • Experience with SystemVerilog, Python, C/C++, Bluespec and similar scripting and programming languages for verification and silicon modeling

  • Production experience with advanced verification methodologies such as UVM, assertion-based verification (ABV); experience and comfort with formal and simulated verification are required

  • Production experience with creating portable tests and drivers for verification that apply to silicon validation and post-silicon debug

  • Strong understanding of silicon micro-architecture and design concepts used in high-performance compute (CPUs, GPUs, accelerators), high-speed connectivity, memory management and related functionalities

  • Familiarity with emulation and prototyping platforms and methodologies is a plus

  • Hands-on experience with participation in silicon debug and bring-up is a plus

Compensation

The US base salary for this full-time position is determined based on a variety of factors including role, experience, location, job-related skills, and relevant education and training. Career length is only a guideline for compensation.

  • Early Career - $160,000 - $275,000 + equity

  • Mid Career - $175,000 - $400,000 + equity

  • Senior Career - $250,000 - $600,000 + equity

What We Offer

  • Time off: 4 weeks PTO (accrued) + 12 company Holidays + up to 3 weeks remote work

  • Health: Company-subsidized Medical (Kaiser or Anthem) for employees & dependents, Guardian Dental and Vision insurances for employee & dependents, and life insurance (employee only), plus HSA and FSA offerings via Lively.

  • Financial Wellbeing: Choose from Roth IRA or 401K (or both) retirement plans with up to 5% company contribution to 401K (even if you don't contribute). Also, 100% company-paid life insurance (up to $300K) and long-term disability insurances.

  • Professional Development: $1500 Professional Development Budget (per year)

  • Team Meals: MatX provides onsite team lunch & dinner Monday - Friday, with your choice of ordering via WeBox, Specialty’s or via our reimbursement system

  • Commute on Us: Commute on our company Uber account, or reimburse your train rides. Either way, we pay 100% for your daily commute.

  • MatX E[x]tras: $50/mo to use on the perk you value most

  • Cell & Internet Reimbursement: $35/mo for cellular and $40/mo for wifi

  • Remote Home Setup: Use our Amazon business account for up to $1000 in office setup purchases.

  • Mental Wellbeing: 100% paid mental health benefit via SpringHealth and Guardian EAP.

  • Support to Parents: Up to 12 weeks paid parental leave regardless of path to parenthood, 10 weeks pregnancy disability leave, flexible return-to-work hours, and Benepass reproductive health & parental benefit.

As part of our dedication to the diversity of our team and our focus on creating an inviting and inclusive work experience, MatX is committed to a policy of Equal Employment Opportunity and will not discriminate against an applicant or employee on the basis of race, color, religion, creed, national origin or ancestry, sex, gender, gender identity, gender expression, sexual orientation, age, physical or mental disability, medical condition, marital/domestic partner status, military and veteran status, genetic information or any other legally recognized protected basis under federal, state or local laws, regulations or ordinances.

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This position requires access to information that is subject to U.S. export controls. This offer of employment is contingent upon the applicant's capacity to perform job functions in compliance with U.S. export control laws without obtaining a license from U.S. export control authorities.

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MatX does not accept unsolicited resumes from individual recruiters or third-party recruiting agencies in response to job postings. No fee will be paid to third parties who submit unsolicited candidates directly to our hiring managers or People team and any resumes submitted are deemed to be the property of MatX.

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